From owner-reliable_computing Fri Nov 10 08:51:12 1995 Received: by interval.usl.edu id AA25996 (5.65c/IDA-1.4.4 for reliable_computing-outgoing); Fri, 10 Nov 1995 17:01:07 -0600 Received: from cs.utep.edu by interval.usl.edu with SMTP id AA25990 (5.65c/IDA-1.4.4 for ); Fri, 10 Nov 1995 17:01:04 -0600 Received: from earth.cs.utep.edu by cs.utep.edu (4.1/SMI-4.1) id AA29370; Fri, 10 Nov 95 15:51:12 MST Date: Fri, 10 Nov 95 15:51:12 MST From: vladik [at] cs [dot] utep.edu (Vladik Kreinovich) Message-Id: <9511102251.AA29370 [at] cs [dot] utep.edu> To: reliable_computing [at] interval [dot] usl.edu Subject: workshop on intervals in risk analysis Sender: owner-reliable_computing Precedence: bulk Workshop Announcement BEYOND POINT ESTIMATES: Risk Assessment Using Interval Analysis and Fuzzy Arithmetic Sunday, 3 December 1995 Society for Risk Analysis Annual Meeting Sheraton Wikiki Honolulu, Hawaii This full day workshop will review the use of interval analysis and fuzzy arithmetic for propagating uncertainty through calculations in a quantitative risk assessment. These methods can be used even when data are far too sparse for other uncertainty projection methods. They are also widely applicable and are useful for handling uncertainty of all kinds no matter what its nature or source. Interval analysis underlies any reasonable conception of worst case analysis or theoretical upper bounding estimates and it can also provide a check on the results of a full-blown probabilistic risk analysis that is often simple enough for hand calculation. Although anyone can master the basics of these two methods, some important details can be subtle. Inattention to such details is common in risk analysis and it occasionally leads to erroneous conclusions. During the workshop, the methods will be applied to several risk assessment problems as examples, including hydrocarbon soil contamination, pesticide misapplication, targeting lead cleanup levels, extinction of endangered species and event-tree/fault-tree safety analysis. The workshop is organized by Scott Ferson, Senior Scientist at Applied Biomathematics, and J. Arlin Cooper, Distinguished Member of the System Studies Department at Sandia National Laboratory. Contact the organizers at 516-751-4350 or risk [at] life [dot] bio.sunysb.edu for a three-page syllabus and workshop description. To register for the workshop, contact the Society for Risk Analysis at 703-790-1745. Pre-registration is $200; on-site registration is $250. From owner-reliable_computing Thu Nov 16 06:05:00 1995 Received: by interval.usl.edu id AA29773 (5.65c/IDA-1.4.4 for reliable_computing-outgoing); Thu, 16 Nov 1995 14:07:55 -0600 Received: from lane.cc.ukans.edu by interval.usl.edu with SMTP id AA29767 (5.65c/IDA-1.4.4 for ); Thu, 16 Nov 1995 14:07:43 -0600 Received: from pcmail.kgs.ukans.edu by LANE.CC.UKANS.EDU (PMDF V4.2-13 #13311) id <01HXPPBEFO740023DZ [at] LANE [dot] CC.UKANS.EDU>; Thu, 16 Nov 1995 14:07:34 CST Received: by pcmail.kgs.ukans.edu with Microsoft Mail id <30ABB55B [at] pcmail [dot] kgs.ukans.edu>; Thu, 16 Nov 95 14:04:11 PST Date: Thu, 16 Nov 1995 14:05:00 -0800 (PST) From: Tiraz Birdie To: interval_all Message-Id: <30ABB55B [at] pcmail [dot] kgs.ukans.edu> X-Mailer: Microsoft Mail V3.0 Content-Transfer-Encoding: 7BIT Encoding: 17 TEXT Sender: owner-reliable_computing Precedence: bulk Does anyone have the e-mail address or telephone # of Dr. Jansson C. ( Hamburg) Dr. Rump (Hamburg If so, please forward to : Tiraz Birdie Kansas Geological Survey Lawrence KS 66047 U.S.A. (913) 864-3965 tbirdie [at] pcmail [dot] kgs.ukans.edu Thanks. From owner-reliable_computing Fri Nov 24 13:37:47 1995 Received: by interval.usl.edu id AA14252 (5.65c/IDA-1.4.4 for reliable_computing-outgoing); Fri, 24 Nov 1995 21:37:57 -0600 Received: from cs.utep.edu by interval.usl.edu with SMTP id AA14246 (5.65c/IDA-1.4.4 for ); Fri, 24 Nov 1995 21:37:53 -0600 Received: from earth.cs.utep.edu by cs.utep.edu (4.1/SMI-4.1) id AA11255; Fri, 24 Nov 95 20:37:48 MST Date: Fri, 24 Nov 95 20:37:47 MST From: vladik [at] cs [dot] utep.edu (Vladik Kreinovich) Message-Id: <9511250337.AA11255 [at] cs [dot] utep.edu> To: reliable_computing [at] interval [dot] usl.edu Subject: CFP: intervals in geosciences Sender: owner-reliable_computing Precedence: bulk A special issue of the journal "Reliable Computing" on applications to geosciences: Call for Papers EXISTING (STATISTICAL) METHODS OF DATA PROCESSING ARE NOT ALWAYS APPLICABLE TO GEOSCIENCES. Standard data processing techniques are usually based on the assumption that we know the probability distribution for all measurement errors. In many applications, we can determine these distributions if we gather enough statistics. In geophysical, geodesical, etc., measurements, every location that we measure is unique. It is difficult to collect statistics about many similar situations, and therefore, for geophysical measurement techniques, the probabilities of different errors are often not known. The only thing that we usually know about each error is its upper bound D. As a result, when the measured value of the quantity of interest is X, then the only information that we have about the actual value x of this quantity is that it belongs to an INTERVAL [x-D,x+D]. The problem is: given the intervals [xi-Di,xi+Di], i=1,...,n, of possible values of inputs Xi for a data processing algorithm, to determine the interval of possible values of the result Y=f(X1,...,Xn) of applying the data processing algorithm f. These types of problems are solved by interval computations. WHAT HAS BEEN DONE. There have been several applications of interval methods to geosciences: * In the 70s, Gerhard Heindl (Germany) used these methods to get reliable geodesic estimations (i.e., estimations that do not depend on assumptions about error probabilities). * In the 80s, there was some progress in geophysical applications, starting from the Ph.D. dissertation of Mark Baker from the Geology Department of the University of Texas at El Paso (UTEP). Several talks on geophysical applications were presented at the International Workshop on Applications of Interval Computations (El Paso, February 1995), and a survey on geophysical applications of intervals is currently being considered for the journal "Reliable Computing". WHAT NEEDS TO BE DONE. We believe that it is very unfortunate that few geophysicists are aware of interval techniques, and, as a result, the majority of geophysical papers do not produce guaranteed data processing results. One way to help this situation is to promote interval methods by putting together a special issue of the journal in which both results and problems will be provided. WHAT PAPERS WE SEEK. Papers submitted for the issue can come from both academic community and practical researchers. WHAT WE EXPECT. We do not expect a wonder, but we do expect a big boost. EDITORS OF THE SPECIAL ISSUE: * Dan Cooke, from NASA PACEES (Pan-American Center for Environmental and Earth Sciences), and from the UTEP Computer Science Department, a specialist in practical applications of data processing to environment-related geophysical problems; * Diane Doser (Geology Department, UTEP), one of the pioneers of using interval methods in geology; * Gerhard Heindl (University of Wuppertal, Germany), a pioneer of geodesic applications of intervals; * Vladik Kreinovich (Computer Science Department, UTEP). WHEN. Please send the title and, ideally, the abstract of the paper to Vladik Kreinovich at vladik [at] cs [dot] utep.edu by January 1, 1996. The papers (ideally, in LaTeX or in plain TeX) are due (by email) by March 1, 1996. If you have problems with email, the address for hardcopies is: Vladik Kreinovich Department of Computer Science University of Texas at El Paso El Paso, TX 79968, USA From owner-reliable_computing Mon Nov 27 04:15:42 1995 Received: by interval.usl.edu id AA15046 (5.65c/IDA-1.4.4 for reliable_computing-outgoing); Sun, 26 Nov 1995 16:31:13 -0600 Received: from urcom.rcom.spb.su by interval.usl.edu with SMTP id AA15040 (5.65c/IDA-1.4.4 for ); Sun, 26 Nov 1995 16:31:03 -0600 Received: from ranit by urcom.rcom.spb.su with UUCP id AA23251 (5.65.kiae-1 for reliable_computing [at] interval [dot] usl.edu); Mon, 27 Nov 1995 01:23:38 +0300 Received: by ranit.spb.su (UUPC/@ v5.09gamma, 14Mar93); Mon, 27 Nov 1995 01:15:42 +0300 To: reliable_computing [at] interval [dot] usl.edu Message-Id: Organization: RANIT-StP, Ltd. From: Eldar A. Musaev Date: Mon, 27 Nov 95 01:15:42 +0300 X-Mailer: BML [MS/DOS Beauty Mail v.1.36] Subject: Call for papers: Economical issue of Reliable Computing Lines: 49 Sender: owner-reliable_computing Precedence: bulk CALL FOR PAPERS RELIABLE COMPUTING The International Journal Special Issue ========================== Reliable Computing Methods in Economics ========================== Guest editors: Max E. Jerrell and Eldar A. Musaev Max E. Jerrell Phone: (520) 523-7405 Economics Department Email: jerrell [at] nauvax [dot] ucc.nau.edu Northern Arizona University Fax: (520) 523-7331 Flagstaff, AZ 86011-5066 USA Eldar A. Musaev Phone: +7-(812)3114392 Steklov Mathematical Institute Home: +7-(812)1278077 Russian Academy of Sciences Email: eldar [at] pdmi [dot] ras.ru Fontanka 27, 191 011 St.Petersburg Russia Many years ago far far to the very east of the world there lived a sultan. Once he called his best wiser and asked him: 'How much time you will live?' The wiser checked positions of stars, compute something and after that said: 'Ten years.' Sultan answered: 'It's easy to check', and called: 'Executor!' Many factors create uncertainty in economic analysis. This uncertainty makes economic policy difficult. However we could avoid adding extra volatility by not using unreliable methods in computations, modeling etc. This special issue will focus on reliable (including interval) methods applicable to economic problems. Papers devoted to applications and especially successful applications of such methods are welcome. Possible areas of interest are input-output analysis, mathematical programming, econometrics, forecasting, finance, simulation, and optimal control. Other related topics are also welcome. Deadline: January 31, 1996 From owner-reliable_computing Tue Nov 28 02:25:34 1995 Received: by interval.usl.edu id AA20167 (5.65c/IDA-1.4.4 for reliable_computing-outgoing); Tue, 28 Nov 1995 10:25:49 -0600 Received: from cs.utep.edu by interval.usl.edu with SMTP id AA20160 (5.65c/IDA-1.4.4 for ); Tue, 28 Nov 1995 10:25:41 -0600 Received: from earth.cs.utep.edu by cs.utep.edu (4.1/SMI-4.1) id AA17506; Tue, 28 Nov 95 09:25:34 MST Date: Tue, 28 Nov 95 09:25:34 MST From: vladik [at] cs [dot] utep.edu (Vladik Kreinovich) Message-Id: <9511281625.AA17506 [at] cs [dot] utep.edu> To: reliable_computing [at] interval [dot] usl.edu Subject: Workshop on Interval Arithmetic Cc: wai96 [at] di [dot] ufpe.br Sender: owner-reliable_computing Precedence: bulk WAI'96 - II WORKSHOP ON INTERVAL ARITHMETIC August 7-8, 1996 Recife - Pernambuco - Brazil Call for contributions First Announcement WORKSHOP. The second Workshop on Interval Arithmetic has the purpose to join researhers interested in scientific computation and related topics to present and discuss recent advances on this branch of computer science and its applications. The major topics of interest include, but are not limited to: theoretical foundations of the computational arithmetic, interval algorithms, interval/arithmetic co-processors, interval probability, programming languages for scientific computation, tools for scientific computation. The workshop is a part of a larger annual event being held on the campus of the Federal University of Pernambuco on August 4--9, 1996: the XVI Meeting of the Brazilian Computing Society. This meeting will integrate a variety of events: presentations of technical papers and invited talks, panels, tutorials, research workshops and tool demonstrations. SUBMISSIONS. Ten pages in English or Portuguese, preferably in TeX, must be received by MARCH 15th, 1996 by e-mail to wai96 [at] di [dot] ufpe.br. The papers have to be submitted in a camera-ready format, A4 paper (297 x 210 mm), leaving 25 mm margins on each side. The first page should include the title, author(s) identification, author(s) affiliation, and abstract. Pages should not be numbered. Notification of acceptance: April 30, 1996. LOCATION. Recife is one of the five biggest cities in Brazil. The population of Recife is 1.5 million. Recife has marvellous beaches and the temperature is around 29 C throughout the whole year. PROGRAMME COMMITTEE: B. de M. Acioly (UFPE), D. M. Claudio (UFRGS), J. Dias dos Santos (UFPE), M. de B. Correia (UFPE), M. A. Campos (UFPE), M. A. C. de Oliveira (FUEL), R. D. Lins (UFPE), T. A. Diverio (UFRGS), and others. SPONSORS UFPE - Universidade Federal de Palambuco SBC - Sociedade Brasileira de Computacao ADDRESS: WAI96 Departamento de Informatica C.C.E.N. Av. Prof. Luiz Freire s/n Cidade Universitaria Recife - PE- BRAZIL CEP 50732-970 E-mail: wai96 [at] di [dot] ufpe.br Fax: (081) 27108430, (081) 2714925 The information about this workshop and other interval-related events is placed on the Interval Computations homepage URL http://cs.utep.edu/interval-comp/main.html