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From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: PARA'2004, WORKSHOP ON STATE-OF-THE-ART IN SCIENTIFIC COMPUTING, Lyngby, Denmark
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Dear Friends, This is a new CFP. As you may remember, Jaj Madsen, one of the
main organizers, plans to have an interval session at this meeting.
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Date: Fri, 1 Aug 2003 15:41:57 +0200 (METDST)
From: Jerzy Wasniewski
==============================================
PARA04
WORKSHOP ON STATE-OF-THE-ART
IN SCIENTIFIC COMPUTING
June 20-23, 2004
http://imm.dtu.dk/~jw/para04/
Jul 31, 2003
-------------------------------------------------
ORGANIZERS:
Jack Dongarra, University of Tennessee and Oak Ridge Nat. Lab.
Kaj Madsen, Technical University of Denmark
Jerzy Wasniewski, Technical University of Denmark
DATES:
June 20, 2004: Tutorial (topic to be announced later)
June 21-23, 2004: PARA04 Workshop sessions
PLACE: Technical University of Denmark, Lyngby, DENMARK
FEATURE:
Key lectures, topical mini-symposia, a limited number of
contributed talks, and Poster sessions will be selected for
the workshop.
DEADLINES:
Mini-symposium proposals: October 30, 2003
Notification of acceptance: November 9, 2003
Abstracts (one page): January 31, 2004
Notification of acceptance: February 15, 2004
Extended abstracts (at most 7 pages): March 15, 2004
CONFERENCE PROCEEDINGS:
The PARA04 Proceedings with extended abstracts will be published
for the workshop. We are planning to select a few of the papers
for a special issue of a journal related to scientific computing.
FURTHER INFORMATION:
The PARA04 URL: http://imm.dtu.dk/~jw/para04/ will successively
be updated. It will contain all the necessary information. The
extra announcements will, from time to time, be distributed by
the para-l mailing list.
Mailing list: To subscribe, send a dummy message to
para-l-subscribe [at] net [dot] uni-c.dk
To discontinue, send a dummy message to
para-l-unsubscribe [at] net [dot] uni-c.dk
Inquiries: PARA04, IMM, DTU, Bldg. 321
2800 Lyngby, Denmark
Attn: Jerzy Wasniewski
Email: jw [at] imm [dot] dtu.dk
Tel: +45 45 25 30 76 or +45 22 64 38 91
Fax: +45 45 88 26 73
SOCIAL EVENTS:
A reception June 20 and a conference dinner in the Danish Royal
Theater either June 21 or June 22 are planned. We will see an
opera after the dinner.
The evening of June 23 is a special evening in Denmark, the
evening before the St. Hans Day. There is a special celebration
in this evening, Bon-fires on the beaches. A watching of the
Bon-fires will be organized for those who will stay here the
whole day of June 23.
A special entertainments for accompanying persons are planned.
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Date: Wed, 6 Aug 2003 20:24:56 -0600 (MDT)
From: Vladik Kreinovich
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The organizers would like to have some interval talks.
Vladik
**********************************************************************
SECOND ANNOUNCEMENT AND CALL FOR PAPERS
Fourth International Conference on Intelligent
Commitee Technologies (Intech'03)
December 17-19, 2003
Chiang Mai Hill Hotel, Thailand
A Promising Road to Intelligent Technologies
http://www.ist.cmu.ac.th/intech
Co-organized by:
* Institute for Science and Technology Research and
Development, Chiang Mai University, Thailand
* Assumption University, Thailand
* Fuzzy System and Intelligent Technologies Research
Society of Thailand (FIRST)
* Japan Society of Fuzzy Theory and intelligent
informatics (SOFT)
Sponsored by: Chiang Mai University
The aims of InTech'03 are to:
* Bring together researchers and practitioners in order to exchange
their ideas and discuss issues occurred when implementing intelligent
and fuzzy technologies in real-world environment.
* Provide a forum for discussion of new research areas, results and issues.
* Encourage international research in intelligent and fuzzy technologies.
Topics of InTech'03 include, but not limited to:
* Mathematical Foundations of Intelligent Technologies
* Traditional Artificial Intelligent Techniques
* Uncertainty Processing and Methods of Soft Computing
* Learning/Adaptive Systems/Data Mining
* Applications of Intelligent Technologies
Call for Papers:
Papers related to both theoretical and real-world applications in
the areas listed above are welcome. The maximum number of pages are 10
pages including all tables, figures and references. Over-length and
late submission papers will be rejected without review. Electronic
paper submission (.pdf files) is required. Detailed information is
given on the website.
Language: The official language is English
Proceedings:
Proceedings will be distributed to participants during the
conference. Selected, extended and revised papers from InTech'03 will
be published in a Special issue of the International Journal of
Advanced Computational Intelligence and that of the Pacific Journal on
Intelligent Technologies and Applied Statistics.
Important Dates:
Submission deadline August 30, 2003
Acceptance notification October 10, 2003
Camera ready due October 22, 2003
Registration fee due October 22, 2003
Registration:
The registration fee covers participation at the conference,
cocktail reception, lunches, tea/coffee during the session.
Conference Fees:
Early Bird (Payment received by 22 Oct. 03) 250 USD
Standard (Payment received after 22 Oct. 03) 300 USD
For Students 150 USD
Contact Infoamtion:
All correspondence regarding the conference should be addressed to:
Kumkrua Suwanasri (Secretary)
E-mail: kumkrua [at] ist [dot] cmu.ac.th
Address: Institute for Science and Technology
Research and Development
P.O. Box 111
Chiang Mai University, Chiang Mai
50200 Thailand
Tel.: +66 53 94 2478
Fax: +66 53 94 2478
International Program Committee
* Adlassnig, Klaus-Peter (Vienna, Austria)
* Avatchanakorn, Vichit (Assumption University, Thailand)
* Batovski, Dobri (Assumption University,Thailand)
* Bouchon-Meunier, Bernadette (Paris, France)
* Boussak, Mohamed (Marseille, France)
* Cao Tru Hoang (Ho Chi Minh City, Vietnam)
* Castillo, Oscar (Tijuana, Mexico)
* Chongstitvatana, Prabhas (Thailand)
* Cuong, Bui Cong (Hanoi, Vietnam)
* Daengdej, Jirapun (Thailand)
* Dai, Honghua (Australia)
* Dansuwan, Suyada (Thailand)
* Dhompongsa, Sompong (Chiang Mai, Thailand)
* Diamond, Phillip (Queensland, Australia)
* Ding, Liya (Macau, China)
* Dung, Phan Minh (Thailand)
* Haddawy, Peter (Pasadena, California, USA)
* Hajek, Petr (Prague, Czech Republic)
* Hewett, Rattikorn (Florida, USA)
* Hirota, Kaoru (Tokyo, Japan)
* Ho, Nguyen Cat (Hanoi, Vietnam)
* Huy Nguyen Xuan (Hanoi, Vietnam)
* Jittawiriyanukoon, C. (Thailand)
* Kaino, Toshihiro (Japan)
* Kalra, Prem Kumar (India)
* Kawtrakul, Asanee (Thailand)
* Keretho, Somnuk (Thailand)
* Khang, Bach Hung (Hanoi, Vietnam)
* Kiem, Hoang (HCM City, Vietnam)
* Kijsirikul, Boonserm (Thailand)
* Kohout, Ladislav J. (Florida, USA)
* Kosko, Bart (Los Angeles, California, USA)
* Kreinovich, Vladik (El Paso, Texas, USA)
* Li Yuefeng of Technology (Brisbane, Queensland, Australia)
* Lukose, Dickson (USA)
* Lursinsap, Chidchanok (Thailand)
* Mai, Luong Chi (Hanoi, Vietnam)
* Mitaim, Sanya (Thailand)
* Mukaidono, Masao (Japan)
* Nakamura Akira (Japan)
* Nakata Michinori (Japan)
* Nguyen, Hung T. (Las Cruces, New Mexico, USA)
* Nontakao, Supavadee (Thailand)
* Onisawa, Takehisa (Tsukuba, Japan)
* Pal, Sankar (India)
* Permpoontanalarp, Yongyuth (Thailand)
* Petry, Fred (Tulane University, USA)
* Pham Duc Truong (Cardiff, U.K.)
* Phuong, Nguyen (Hanoi, Vietnam)
* Prasad, Nadipuram (Las Cruces, New Mexico, USA)
* Ralescu, Dan (Cincinnati, Ohio, USA)
* Rybalov, Alexander (Jerusalem, Israel)
* Sanchez, Elie (Marseille, France)
* Santiprabhob, Pratit (Thailand)
* Shibata, Takanori (Japan)
* Shiizuka, Hisao (Japan)
* Soroka, Anthony (Cardiff, U.K.)
* Sortrakul, Thotsapon (Thailand)
* Sugeno, Michio (Japan)
* Tanprasert, Chularat (Thailand)
* Tanprasert, Thitipong (Thailand)
* Tao, Ngo Quoc (Hanoi, Vietnam)
* Thawonmas, Ruck (Japan)
* Thuy, Nguyen (Hanoi, Vietnam)
* To, Tang Van (Thailand)
* Toan, Nguyen Quoc (Hanoi, Vietnam)
* Vinh, Thai Quang (Hanoi, Vietnam)
* Walker, Carol L. (Las Cruces, New Mexico, USA)
* Walker Elbert A. (Las Cruces, New Mexico, USA)
* Winley, Graham (Thailand)
* Wu, Berlin (Taipei, Taiwan)
* Yager, Ronald R. (New York, USA)
* Yam, Yeung (Hong Kong, China)
* Yamada, Koichi (Nagaoka, Japan)
* Yamaguchi, Tohoru (Japan)
* Yubazaki, Naoyoshi (Japan)
* Zhang, Chengqi (Sydney, Australia)
* Zhang, Minjie (Wollongong, Australia)
From owner-reliable_computing [at] interval [dot] louisiana.edu Thu Aug 7 18:34:37 2003
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Date: Thu, 7 Aug 2003 17:34:25 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: interval session at FUZZ-IEEE 2004: P.S.
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International IEEE Conference on Fuzzy Systems
FUZZ-IEEE 2004
Budapest, Hungary, July 25-29, 2004
to be held together with International Joint Conference
on Neural Networks IJCNN 2004
KEY DATES
Special Session proposals: November 15, 2003
Notification of acceptance: December 15, 2003
Paper submission: January 31, 2004
Notification of acceptance: March 15, 2004
Camera ready copies: May 15, 2004
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Date: Fri, 8 Aug 2003 08:44:47 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: interval-valued derivatives of nonsmooth functions
To: reliable_computing [at] interval [dot] louisiana.edu
Cc: ansobol@obs-nice.fr
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Dear Friends,
A few weeks ago, we talked with Andrei Sobolevski from Nice on generalied
derivatives in math and in interval computations. In Mathematics, there has
been a lot of activity in this area, so we were discussing which of the
numerous notions of generalized derivative best fits what, say, Baker Kearfott
describes in his Optimization book: when we assign an interval value [-1,1] to
the derivative of |x| at 0 and then naturally expand this definition to
compositions.
At that time, we were just comparing the resulting definition with some
recollections, but now, after I made an ettempt to provide a general
description of the corresponding interval derivative, Andrei found a survey, we
are both reading into it now.
I think this topic may be of interest to many people on the list. Or maybe some
knows the answer already?
Vladik
------------- Begin Forwarded Message -------------
Date: Fri, 8 Aug 2003 11:00:43 +0200 (CEST)
From: Andrei Sobolevskii
To: Vladik Kreinovich
Subject: Re: translation of Toolbox
MIME-Version: 1.0
Dear Vladik,
I have just come across a very readable survey on nonsmooth
generalizations of derivatives by one of the founding fathers of the
subject:
F. Clarke
Nonsmooth analysis in control theory: a survey
http://www.mat.uniroma2.it/~dott/ClarkeEJC.pdf
Best,
A.
> P.S. Re your question about where Kearfott's dertivative of |x| falls among
> purely mathematical definitions: we can define derivative f'(x) as the limit
> lim f(x+h)-f(x))/h as h tends to 0.
>
> If the function is not differentiable, there is no limit, but we can have the
> lower limit (liminf) and upper limit (limsup). They form an interval of all
> possible values of such limits, which is exactly what Kearfott's idea is
> capturing.
>
> This is just FYI.
------------- End Forwarded Message -------------
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Date: Fri, 08 Aug 2003 19:24:59 +0200
From: Arnold Neumaier
Organization: University of Vienna
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To: Vladik Kreinovich
CC: reliable_computing [at] interval [dot] louisiana.edu, ansobol@obs-nice.fr
Subject: Re: interval-valued derivatives of nonsmooth functions
References: <200308081444.h78EimH29093 [at] cs [dot] utep.edu>
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Vladik Kreinovich wrote:
> generalied
> derivatives in math and in interval computations. In Mathematics, there has
> been a lot of activity in this area, so we were discussing which of the
> numerous notions of generalized derivative best fits what, say, Baker Kearfott
> describes in his Optimization book: when we assign an interval value [-1,1] to
> the derivative of |x| at 0 and then naturally expand this definition to
> compositions.
See pp.173-175 in my book for what is needed to prove relevant
existence and uniqueness results. Whe I wrote the book, I looked
in some detail into various generaized derviatives, but found
nothing algorithmically useful that was not covered by my concept
of a Lipschitz set (defined by (6) in my book).
Arnold Neumaier
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From: "Daniel H. Fylstra"
To: "Vladik Kreinovich" ,
Cc:
Subject: RE: interval-valued derivatives of nonsmooth functions
Date: Fri, 8 Aug 2003 10:40:27 -0700
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Dear Vladik,
We are certainly interested in this topic, as it affects our software for
computing with intervals and interval gradients, where we often encounter
models with non-smooth functions.
In our Premium Solver Platform for Microsoft Excel, an optimization
software package (http://www.solver.com/xlsplatform.htm), we include
an Interval Solver for global optimization. We compute both real
gradients and interval gradients via automatic differentiation, over
Excel formulas and a large number of built-in functions. Many Excel
spreadsheet models use functions such as IF(a>b,c,d), and quite a few
of the 300+ built-in functions in the Excel library are non-smooth
in at least some of their arguments. For real gradients used by
conventional optimizers, we currently allow (as a user option) gradients
of ABS, SIGN, MIN, MAX and IF to be computed at the current point, but
for interval gradients, we currently require strictly smooth functions.
So this topic is certainly relevant for us. We've read the discussion
of non-smooth functions in Baker Kearfott's book and some of his papers,
but I'm not sure that we've seen everything recently published on this
topic. Thanks for the reference to Clarke's paper. Also thanks to
Arnold Neumaier just now for the reference to pp.173-175 of his book.
Dan Fylstra
Frontline Systems Inc.
> -----Original Message-----
> From: owner-reliable_computing [at] interval [dot] louisiana.edu
> [mailto:owner-reliable_computing [at] interval [dot] louisiana.edu]On Behalf Of
> Vladik Kreinovich
> Sent: Friday, August 08, 2003 7:45 AM
> To: reliable_computing [at] interval [dot] louisiana.edu
> Cc: ansobol@obs-nice.fr
> Subject: interval-valued derivatives of nonsmooth functions
>
>
> Dear Friends,
>
> A few weeks ago, we talked with Andrei Sobolevski from Nice on generalied
> derivatives in math and in interval computations. In Mathematics, there has
> been a lot of activity in this area, so we were discussing which of the
> numerous notions of generalized derivative best fits what, say, Baker Kearfott
> describes in his Optimization book: when we assign an interval value [-1,1] to
> the derivative of |x| at 0 and then naturally expand this definition to
> compositions.
>
> At that time, we were just comparing the resulting definition with some
> recollections, but now, after I made an ettempt to provide a general
> description of the corresponding interval derivative, Andrei found a survey, we
> are both reading into it now.
>
> I think this topic may be of interest to many people on the list. Or maybe some
> knows the answer already?
>
> Vladik
>
> ------------- Begin Forwarded Message -------------
>
> Date: Fri, 8 Aug 2003 11:00:43 +0200 (CEST)
> From: Andrei Sobolevskii
> To: Vladik Kreinovich
> Subject: Re: translation of Toolbox
> MIME-Version: 1.0
>
> Dear Vladik,
>
> I have just come across a very readable survey on nonsmooth
> generalizations of derivatives by one of the founding fathers of the
> subject:
>
> F. Clarke
> Nonsmooth analysis in control theory: a survey
> http://www.mat.uniroma2.it/~dott/ClarkeEJC.pdf
>
> Best,
> A.
>
> > P.S. Re your question about where Kearfott's dertivative of |x| falls among
> > purely mathematical definitions: we can define derivative f'(x) as the limit
> > lim f(x+h)-f(x))/h as h tends to 0.
> >
> > If the function is not differentiable, there is no limit, but we can have the
> > lower limit (liminf) and upper limit (limsup). They form an interval of all
> > possible values of such limits, which is exactly what Kearfott's idea is
> > capturing.
> >
> > This is just FYI.
>
> ------------- End Forwarded Message -------------
>
>
>
>
>
>
>
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Date: Sat, 9 Aug 2003 14:54:12 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: a new book of potential interest to interval researchers
To: reliable_computing [at] interval [dot] louisiana.edu, interval [at] cs [dot] utep.edu
Cc: berleant [at] iastate [dot] edu
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A new book has been recently published:
Partial Identification of Probability
Distributions,
by Charles F. Manski,
Springer-Verlag, New York, 2003, ISBN 0-387-00454-8.
Among other cases of uncertainty, it covers the situations in which, when
performing statistical analysis, instead of the actual sample data, we only
have intervals that are known to contain this data (e.g., after a poll, instead
of the exact ages, we have the interval to which each person's age belongs, say
40-50). The author considers numerous applications to econometrics and analysis
of social data in general.
Vladik
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From: "Svetoslav Markov"
To: reliable_computing [at] interval [dot] louisiana.edu
Date: Sun, 10 Aug 2003 12:17:16 +0200
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Subject: Re: interval-valued derivatives of nonsmooth functions
CC: Vladik Kreinovich
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On 8 Aug 2003 at 8:44, Vladik Kreinovich wrote:
> Dear Friends,
>
> A few weeks ago, we talked with Andrei Sobolevski from Nice on
generalied
> derivatives in math and in interval computations. In Mathematics,
there has
> been a lot of activity in this area, so we were discussing which of
the
> numerous notions of generalized derivative best fits what, say,
Baker Kearfott
> describes in his Optimization book: when we assign an interval
value [-1,1] to
> the derivative of |x| at 0 and then naturally expand this
definition to
> compositions.
>
> At that time, we were just comparing the resulting definition with
some
> recollections, but now, after I made an ettempt to provide a
general
> description of the corresponding interval derivative, Andrei found
a survey, we
> are both reading into it now.
>
> I think this topic may be of interest to many people on the list.
Or maybe some
> knows the answer already?
>
> Vladik
>
> ------------- Begin Forwarded Message -------------
>
> Date: Fri, 8 Aug 2003 11:00:43 +0200 (CEST)
> From: Andrei Sobolevskii
> To: Vladik Kreinovich
> Subject: Re: translation of Toolbox
> MIME-Version: 1.0
>
> Dear Vladik,
>
> I have just come across a very readable survey on nonsmooth
> generalizations of derivatives by one of the founding fathers of
the
> subject:
>
> F. Clarke
> Nonsmooth analysis in control theory: a survey
> http://www.mat.uniroma2.it/~dott/ClarkeEJC.pdf
>
> Best,
> A.
>
> > P.S. Re your question about where Kearfott's dertivative of |x|
falls among
> > purely mathematical definitions: we can define derivative f'(x)
as the limit
> > lim f(x+h)-f(x))/h as h tends to 0.
> >
> > If the function is not differentiable, there is no limit, but we
can have the
> > lower limit (liminf) and upper limit (limsup). They form an
interval of all
> > possible values of such limits, which is exactly what Kearfott's
idea is
> > capturing.
> >
> > This is just FYI.
>
The following papers/books are devoted to
derivatives of nonsmooth/interval functions:
Angelov, R., Markov, S., Extended
Segment Analysis, Freiburger Intervall-Berichte 81(10), Inst.
f. Angewandte Mathematik, U. Freiburg i. Br., 1981, 1-63.
Markov, S., Calculus for interval functions of a real variable.
Computing 22, 325--337 (1979).
Sendov Bl., Segment arithmetic and segment
limit. C.R.Acad.bulg.sci., 1977, 30, 955-968.
Sendov Bl., Segment derivatives and
Taylor's formula. C.R.Acad.bulg.sci., 1977, 30, 1093-1096.
Sendov Bl., Some topics of segment
analysis. In: Interval Mathematics'80 (Ed. by K. Nickel),
Academic Press, 1980, 236-245.
Sendov Bl., Hausdorff approximations,
Kluver, Dordrecht, 1990.
S. Markov
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Date: Sun, 10 Aug 2003 13:06:55 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: Re: interval-valued derivatives of nonsmooth functions
To: reliable_computing [at] interval [dot] louisiana.edu, smarkov [at] bio [dot] bas.bg
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Thanks a lot to Svetoslav for his references. The very first paper includes
(for the case of differentiating a non-smooth real-valued function) exactly the
definition with lower and upper limits, with lots of properties proven! Thanks
a lot for the references!
Vladik
> From: "Svetoslav Markov"
> To: reliable_computing [at] interval [dot] louisiana.edu
> On 8 Aug 2003 at 8:44, Vladik Kreinovich wrote:
>
> > > P.S. Re your question about where Kearfott's dertivative of |x|
> falls among
> > > purely mathematical definitions: we can define derivative f'(x)
> as the limit
> > > lim f(x+h)-f(x))/h as h tends to 0.
> > >
> > > If the function is not differentiable, there is no limit, but we
> can have the
> > > lower limit (liminf) and upper limit (limsup). They form an
> interval of all
> > > possible values of such limits, which is exactly what Kearfott's
> idea is
> > > capturing.
>
> The following papers/books are devoted to
> derivatives of nonsmooth/interval functions:
>
> Angelov, R., Markov, S., Extended
> Segment Analysis, Freiburger Intervall-Berichte 81(10), Inst.
> f. Angewandte Mathematik, U. Freiburg i. Br., 1981, 1-63.
>
> Markov, S., Calculus for interval functions of a real variable.
> Computing 22, 325--337 (1979).
>
> Sendov Bl., Segment arithmetic and segment
> limit. C.R.Acad.bulg.sci., 1977, 30, 955-968.
>
> Sendov Bl., Segment derivatives and
> Taylor's formula. C.R.Acad.bulg.sci., 1977, 30, 1093-1096.
>
> Sendov Bl., Some topics of segment
> analysis. In: Interval Mathematics'80 (Ed. by K. Nickel),
> Academic Press, 1980, 236-245.
>
> Sendov Bl., Hausdorff approximations,
> Kluver, Dordrecht, 1990.
>
> S. Markov
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Date: Sun, 10 Aug 2003 14:04:23 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: mark your calendars
To: reliable_computing [at] interval [dot] louisiana.edu, interval [at] cs [dot] utep.edu
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The 24th International Conference of NAFIPS, the North American Fuzzy
Information Processing Society, will be held in Detroit in the 4th week of June
2005. As usual, the organizers would like to see interval-related talks.
From owner-reliable_computing [at] interval [dot] louisiana.edu Sun Aug 10 20:27:46 2003
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Date: Sun, 10 Aug 2003 19:21:54 -0500
To: Arnold Neumaier ,
Vladik Kreinovich
From: "R. Baker Kearfott"
Subject: Re: interval-valued derivatives of nonsmooth functions
Cc: reliable_computing [at] interval [dot] louisiana.edu, ansobol@obs-nice.fr
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All,
With my help, my student Humberto Mu\~noz has recently completed a
fairly thorough study comparing various generalized derivatives,
including the Clarke generalized gradient, slopes, Csets to describe
derivatives, etc. The a postscript copy is available from
http://interval.louisiana.edu/preprints.html
(Search for "Slope Intervals, Generalized Gradients, Semigradients,
Slant Derivatives, and Csets" or a substring thereof.)
This work has been accepted for publication in "Reliable Computing."
For additional information contact me or Humberto (at hmunoz [at] math [dot] subr.edu).
Sincerely,
Baker
At 07:24 PM 8/8/2003 +0200, Arnold Neumaier wrote:
>Vladik Kreinovich wrote:
>> generalied
>> derivatives in math and in interval computations. In Mathematics, there has
>> been a lot of activity in this area, so we were discussing which of the
>> numerous notions of generalized derivative best fits what, say, Baker
Kearfott
>> describes in his Optimization book: when we assign an interval value
[-1,1] to
>> the derivative of |x| at 0 and then naturally expand this definition to
>> compositions.
>
>See pp.173-175 in my book for what is needed to prove relevant
>existence and uniqueness results. Whe I wrote the book, I looked
>in some detail into various generaized derviatives, but found
>nothing algorithmically useful that was not covered by my concept
>of a Lipschitz set (defined by (6) in my book).
>
>
>Arnold Neumaier
>
>
---------------------------------------------------------------
R. Baker Kearfott, rbk [at] louisiana [dot] edu (337) 482-5346 (fax)
(337) 482-5270 (work) (337) 993-1827 (home)
URL: http://interval.louisiana.edu/kearfott.html
Department of Mathematics, University of Louisiana at Lafayette
Box 4-1010, Lafayette, LA 70504-1010, USA
---------------------------------------------------------------
From owner-reliable_computing [at] interval [dot] louisiana.edu Sun Aug 10 23:23:10 2003
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Date: Sun, 10 Aug 2003 22:22:48 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: error analysis in geoinformatics
To: reliable_computing [at] interval [dot] louisiana.edu, interval [at] cs [dot] utep.edu
Cc: lejohnson [at] nsf [dot] gov, zaslavsk [at] sdsc [dot] edu
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Error Analysis in Geoinformatics:
Possible Application of Interval and Related Techniques
In late Spring 2003, a working meeting on Geoinformatics was held in
San Diego, California, at the San Diego Supercomputer Center. This
meeting was sponsored by the National Science Foundation (NSF),
as a part of the $11.5 million Information technology Research grant on
Geoinformatics.
At this meeting, Dr. Leonard E. Johnson, Director of the Continental
Dynamics Program of NSF's Division of Earcth Science, emphasized that
handling uncertainty in geospatial databases --
especially interval and probabilistic uncertainty -- is one of the
most important problems in geoinformatics.
One of the main objectives of geospatial data processing is to estimate
the values of the geophysical quantities that are difficult to measure
directly, such as density at different depths, etc. At present,
most algorithms for processing geospatial data produce estimates for
the desired values, but these algorithms do not reliable accuracy
bounds for these estimates. It is therefore very important to be able
to provide such estimates.
An additional important problem is how to best represent the
corresponding uncertainty when we visualize the geophysical data as a
2-D or 3-D map.
Several researchers (including L. E. Johnson himself) have come up
with uncertainty estimates for specific cases, but in general,
the problem is far from being solved.
To solve this problem, it is reasonable to first collect
(and analyze) the known techniques for error analysis in
geoinformatics, and then to extend thes etechniques to the most
general classes of geoinformatics problems.
Ilya Zaslavsky from the San Diego Supercomputer Center is currently
leading the effort to collect the existing techniques and results. The
goal is to set up a webpage, and to compile a survey of such
techniques and applications. Once the draft survey is ready, the plan
is to organize a workshop, in which interested researechers will
discuss the most important open problems, and the most promising
strategies for extending known techniques to these new challenging
situations.
In this endeavor, he needs the help of the interval community. If you
are interested in this project, please send, to Ilya (email
zaslavsk [at] sdsc [dot] edu) and to me (vladik [at] cs [dot] utep.edu) the following
information:
* your email;
* the URL of your webpage (if any);
* your specific area of interest in this topic;
* exact bibliographical data (and, if possible, URL)
of your relevant publications (and pre-prints).
We will try our best to include this information into the newly
designed webpage.
We strongly believe that these geoinformatics-related practical
problems present a unique application opportunity for our community.
Vladik
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Date: Mon, 11 Aug 2003 12:06:39 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: Martine Ceberio
To: reliable_computing [at] interval [dot] louisiana.edu, interval [at] cs [dot] utep.edu
Cc: mceberio [at] cs [dot] utep.edu
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Dear Friends,
I am very happy to announce that Martine Ceberio from France, a specialist in
interval computations and constraint satisfaction, is a Visiting Professor with
our University of Texas at El Paso from August 2003 until the end of May 2004.
She is eager to use this opportunity not only to work with us here in El Paso,
but also, if possible, to visit other universities and research centers.
Unfortunately, due to the state budget crisis, we do not have money to pay for
her travel.
If any of the North American interval researchers is interested in inviting her
to give a talk (and paying her airfare), she will be glad to come.
Vladik
P.S. Martine can be currently reached at mceberio [at] cs [dot] utep.edu; some of her
papers (and her dissertation) are placed in her website; you can access it
either through the Personalia link of the interval computations website
http://www.cs.utep.edu/interval-comp, or directly at
http://www.sciences.univ-nantes.fr/info/perso/permanents/ceberio/index2.html
Some of the links on this French site are not working well, so, if you are
interested in the corresponding papers, you may have to ask Martine to send the
files.
She will try to correct the links and also to make a temporary easy-to-access
page here at our university, but it may take time.
P.P.S. For Mexican researchers: she speaks Spanish so it is not a problem for
her to give a talk in Spanish. There may be, as I learned from my Mexican
colleagues, a difference in terminology between Spanish and Mexican usages, but
I hope this is not a big problem.
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Date: Tue, 12 Aug 2003 18:03:19 -0500 (CDT)
From: Hans Schneider
To: NETS -- at-net , E-LETTER ,
Pradeep Misra ,
Shaun Fallat ,
"na.digest" , ipnet-digest [at] math [dot] msu.edu,
Michael.Unser [at] epfl [dot] ch, SIAGLA-DIGEST ,
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Subject: LAA contents
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Dear Net Organizer:
Please circulate the attached LAA contents over your net.
Thanks
hans
*********************************************************************
Hans Schneider
Office:
Mathematics Department Home:
Van Vleck Hall 521 Samuel Drive
University of Wisconsin Madison, WI 53717-2416 USA
480 Lincoln Drive 608-833-6567
Madison, WI 53706-1313 USA
Office Phone: 608-262-1402
Math Dept Phone: 608-263-3054 Email: hans [at] math [dot] wisc,edu
Math Dept Fax: 608-263-8891 WWW: http://www.math.wisc.edu/~hans
* Linear Algebra and its Applications
Volume 372, Pages 1-345 (1 October 2003)
http://www.sciencedirect.com/science/issue/5653-2003-996279999-446580
TABLE OF CONTENTS
On a moment problem for rational matrix-valued functions, Pages 1-31
Bernd Fritzsche, Bernd Kirstein and Andreas Lasarow
Perturbation analysis of the matrix equation , Pages 33-51
Ji-guang Sun
A graph theoretical determination of solvable complete rigid Lie algebras, Pages 53-66
R. Campoamor-Stursberg
Friedland-Hersonsky problem for matrix algebra, Pages 67-78
Wensheng Cao and Xiantao Wang
A generalization of the bounded real lemma, Pages 79-103
Akos Laszlo
Hermite-Biehler, Routh-Hurwitz, and total positivity, Pages 105-110
Olga Holtz
N-matrix completion problem, Pages 111-125
C. Mendes Araujo, Juan R. Torregrosa and Ana M. Urbano
On meet and join matrices associated with incidence functions, Pages 127-153
Ismo Korkee and Pentti Haukkanen
Invertibility preserving linear maps on -subspace lattice algebras, Pages 155-166
Pengtong Li, Fangyan Lu and Jipu Ma
On the bicommutant for one type of J-symmetric nilpotent algebras in Krein spaces, Pages 167-180
Vladimir Strauss
On eigenvalues induced by a cone constraint, Pages 181-206
Alberto Seeger and Mounir Torki
http://www.sciencedirect.com/science/article/B6V0R-48XCPWW-7/1/dab1762803c0d8ad50f4a295ed54b9b5
A revisitation of formulae for the Moore-Penrose inverse of modified matrices, Pages 207-224
Jerzy K. Baksalary, Oskar Maria Baksalary and Gotz Trenkler
A parameterization of positive definite matrices in terms of partial correlation vines, Pages 225-251
Dorota Kurowicka and Roger Cooke
A characterization of Jordan canonical forms which are similar to eventually nonnegative matrices with
the properties of nonnegative matrices, Pages 253-285
Boris G. Zaslavsky and Judith J. McDonald
Linear operators preserving adjoint matrix between matrix spaces, Pages 287-293
Xiao Min Tang
On Hermitian positive definite solutions of matrix equation X+A*X-2A=I, Pages 295-304
Yuhai Zhang
Rank restricting functions, Pages 305-323
Aharon Atzmon and Allan Pinkus
A note on companion matrices, Pages 325-331
Miroslav Fiedler
Polygonal chains with minimal energy, Pages 333-344
Juan Rada and Antonio Tineo
Author index, Page 345
Lists of Editors, Pages ii-iii
From owner-reliable_computing [at] interval [dot] louisiana.edu Thu Aug 14 12:54:14 2003
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Date: Thu, 14 Aug 2003 10:54:05 -0700 (PDT)
From: Slava Nesterov
Subject: Reliable Computing, Vol. 9, issue 6, 2003
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Reliable Computing
Volume 9, issue 6, 2003
Special Issue on Dependable Reasoning about
Uncertainty
Guest Editor: Daniel Berleant
Dependable Handling of Uncertainty
Daniel Berleant, Mei-Peng Cheong, Chris Chu, Yong
Guan,
Ahmed Kamal, Gerald Sheble, Scott Ferson, James F.
Peters
407-418
Computation of Bounds on Population Parameters When
the Data Are Incomplete
Joel L. Horowitz, Charles F. Manski, Maria Ponomareva,
Joerg Stoye
419-440
Exact Upper Bound on the Mean of the Product
of Many Random Variables with Known Expectations
Vladik Kreinovich, Scott Ferson, Lev Ginzburg
441-463
Convex Imprecise Previsions
Renato Pelessoni, Paolo Vicig
465-485
Tree-Based Credal Networks for Classification
Marco Zaffalon, Enrico Fagiuoli
487-509
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From owner-reliable_computing [at] interval [dot] louisiana.edu Sat Aug 23 17:21:05 2003
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Date: Sat, 23 Aug 2003 10:30:17 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: Reliable Engineering Computing: center and workshop
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Dear Friends, This is just FYI.
Rafi L. Muhanna from Georgia Tech University has organized a center for
Reliable Engineering Computing in Atlanta, Georgia.
He is planning to organize a workshop on Reliable Engineering Computing in
Altanta, Georgia, in September 2004. Funding is pending.
Thanks to Rafi for his efforts!
Vladik
From owner-reliable_computing [at] interval [dot] louisiana.edu Mon Aug 25 18:50:02 2003
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Date: Mon, 25 Aug 2003 17:46:52 -0600 (MDT)
From: Vladik Kreinovich
Reply-To: Vladik Kreinovich
Subject: mark your calendars
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This is preliminary info.
The organizers of the first workshop encouraged interval participation, and the
first workshop had several interval-related talks.
-----Original Message-----
From: Angeles Gil Alvarez [mailto:angeles [at] pinon [dot] ccu.uniovi.es]
Sent: Thursday, January 09, 2003 3:38 AM
...
The Second International Workshop on Soft Methods in Probability and
Statistics SMPS'2004 will be held in Oviedo (Spain) in September 2004
(the tentative period being 1-3 September).
The purpose of the conference is to join experts on different approaches to
soft methodologies in Probability, Statistics and Data Analysis.
For infomation about our university and our nice region please see
http://www.uniovi.es/RI/ECTS_ing/uniovi/ and
http://www.paraisonatural.com/indice-i.html
For more information about the First Workshop that was held in Warsaw in
2002 please see http://www.ibspan.waw.pl/smps2002/.
Best regards,
María Ángeles Gil and Miguel López-Díaz
General Chairs of the Workshop
From owner-reliable_computing [at] interval [dot] louisiana.edu Tue Aug 26 14:05:01 2003
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Date: Tue, 26 Aug 2003 15:01:50 -0400 (EDT)
From: Marcio Fuzeto Gameiro
To: reliable_computing [at] interval [dot] louisiana.edu
Subject: Interval Library
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I used to use the PROFIL interval library, but I am having trouble to
install it since it has not been updated for a while (yes, I could use an
older compiler to get it working, but it is too much trouble). So my
question is, is there any other Interval Library that you people recomend?
Thank you,
Marcio Gameiro.