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Cognitive Systems Research 2 (3), 2001

by rsun＠cecs.missouri.edu

The new issue of Cognitive Systems Research: --------------------------------------------------------- Table of Contents for Cognitive Systems Research Volume 2, Issue 3, 2001 William Frawley and Raoul N. Smith A processing theory of alexithymia [Abstract] [Full text] (PDF 191.9 Kb) 189-206 Jacqueline P. Leighton and Michael R.W. Dawson A parallel distributed processing model of Wason's selection task 207-231 [Abstract] [Full text] (PDF 320.9 Kb) Reza Farivar Review of The Mind within the Net: Models of Learning, Thinking, and Acting - Manfred Spitzer; MIT Press, Cambridge, MA, xi+359 pp; ISBN 0-262-19406-6 (PB+HC) 235-240 [Abstract] [Full text] (PDF 57.9 Kb) Jelle van Dijk and Gert-Jan Bleeker Review of A Universe of Consciousness. How Matter becomes Imagination - G.M. Edelman & G. Tononi; Basic Books, New York, 2000; 266 pp; ISBN 0465013767 241-244 [Abstract] [Full text] (PDF 48.4 Kb) * Full text files can be viewed and printed using the Adobe Acrobat Reader. Download the papers from the Web site: http://www.cecs.missouri.edu/~rsun/journal.html http://www.elsevier.nl/locate/cogsys http://www.elsevier.com/locate/cogsys © Copyright 2001, Elsevier Science, All rights reserved. =========================================================================== Prof. Ron Sun http://www.cecs.missouri.edu/~rsun CECS Department phone: (573) 884-7662 University of Missouri-Columbia fax: (573) 882 8318 201 Engineering Building West Columbia, MO 65211-2060 email: rsun(a)cecs.missouri.edu http://www.cecs.missouri.edu/~rsun http://www.cecs.missouri.edu/~rsun/journal.html http://www.elsevier.com/locate/cogsys ===========================================================================

24 years, 7 months

Pylyshyn: Mental Imagery: BBS Call for Commentators

by Stevan Harnad - Behavioral & Brain Sciences

Below is the abstract of a forthcoming BBS target article Mental Imagery: In search of a theory by Zenon W. Pylyshyn http://www.bbsonline.org/Preprints/Pylyshyn/Referees/ This article has been accepted for publication in Behavioral and Brain Sciences (BBS), an international, interdisciplinary journal providing Open Peer Commentary on important and controversial current research in the biobehavioral and cognitive sciences. Commentators must be BBS Associates or nominated by a BBS Associate. To be considered as a commentator for this article, to suggest other appropriate commentators, or for information about how to become a BBS Associate, please reply by EMAIL within three (3) weeks to: calls(a)bbsonline.org The Calls are sent to 10,000 BBS Associates, so there is no expectation (indeed, it would be calamitous) that each recipient should comment on every occasion! Hence there is no need to reply except if you wish to comment, or to nominate someone to comment. If you are not a BBS Associate, please approach a current BBS Associate (there are currently over 10,000 worldwide) who is familiar with your work to nominate you. All past BBS authors, referees and commentators are eligible to become BBS Associates. A full electronic list of current BBS Associates is available at this location to help you select a name: http://www.bbsonline.org/Instructions/assoclist.html If no current BBS Associate knows your work, please send us your Curriculum Vitae and BBS will circulate it to appropriate Associates to ask whether they would be prepared to nominate you. (In the meantime, your name, address and email address will be entered into our database as an unaffiliated investigator.) To help us put together a balanced list of commentators, please give some indication of the aspects of the topic on which you would bring your areas of expertise to bear if you were selected as a commentator. To help you decide whether you would be an appropriate commentator for this article, an electronic draft is retrievable from the online BBSPrints Archive, at the URL that follows the abstract below. _____________________________________________________________ Mental Imagery: In search of a theory Zenon W. Pylyshyn Rutgers Center for Cognitive Science New Brunswick, New Jersey ABSTRACT: It is generally accepted that there is something special about reasoning that uses mental images. The question of how it is special, however, has never been satisfactorily spelled out, despite over thirty years of research in the post-behaviorist tradition. This article considers some of the general motivation for the assumption that entertaining mental images involves inspecting a picture-like object. It sets out a distinction between phenomena attributable to the nature of mind, to what is called the cognitive architecture, and ones that are attributable to tacit knowledge used to simulate what would happen in a visual situation. With this distinction in mind the paper then considers in detail the widely held assumption that in some important sense images are spatially displayed or are depictive, and that examining images uses the same mechanisms that are deployed in visual perception. I argue that the assumption of the spatial or depictive nature of images is only explanatory if taken literally, as a claim about how images are physically instantiated in the brain, and that the literal view fails for a number of empirical reasons Ð e.g., because of the cognitive penetrability of the phenomena cited in its favor. Similarly, while it is arguably the case that imagery and vision involve some of the same mechanisms, this tells us very little about the nature of mental imagery and does not support claims about the pictorial nature of mental images. Finally I consider whether recent neuroscience evidence clarifies the debate over the nature of mental images. I claim that when such questions as whether images are depictive or spatial are formulated more clearly, the evidence does not provide support for the picture-theory over a symbol structure theory of mental imagery. Even if all the empirical claims turned out to be true, the view that many people take them to support, that mental images are literally spatial, remain incompatible with what is known about how images function in thought. We are then left with the provisional counterintuitive conclusion that the available evidence does not support rejection of what I call the "null hypothesis"; viz., that reasoning with mental images involves the same form of representation and the same processes as that of reasoning in general, except that the content or subject matter of thoughts experienced as images includes information about how things would look. http://www.bbsonline.org/Preprints/Pylyshyn/Referees/ ___________________________________________________________ Please do not prepare a commentary yet. Just let us know, after having inspected it, what relevant expertise you feel you would bring to bear on what aspect of the article. We will then let you know whether it was possible to include your name on the final formal list of invitees. _______________________________________________________________________ *** SUPPLEMENTARY ANNOUNCEMENTS *** (1) The authors of scientific articles are not paid money for their refereed research papers; they give them away. What they want is to reach all interested researchers worldwide, so as to maximize the potential research impact of their findings. Subscription/Site-License/Pay-Per-View costs are accordingly access-barriers, and hence impact-barriers for this give-away research literature. There is now a way to free the entire refereed journal literature, for everyone, everywhere, immediately, by mounting interoperable university eprint archives, and self-archiving all refereed research papers in them. Please see: http://www.eprints.org http://www.openarchives.org/ http://www.dlib.org/dlib/december99/12harnad.html --------------------------------------------------------------------- (2) All authors in the biobehavioral and cognitive sciences are strongly encouraged to self-archive all their papers in their own institution's Eprint Archives or in CogPrints, the Eprint Archive for the biobehavioral and cognitive sciences: http://cogprints.soton.ac.uk/ It is extremely simple to self-archive and will make all of our papers available to all of us everywhere, at no cost to anyone, forever. Authors of BBS papers wishing to archive their already published BBS Target Articles should submit it to BBSPrints Archive. Information about the archiving of BBS' entire backcatalogue will be sent to you in the near future. Meantime please see: http://www.bbsonline.org/help/ and http://www.bbsonline.org/Instructions/ --------------------------------------------------------------------- (3) Call for Book Nominations for BBS Multiple Book Review In the past, Behavioral and Brain Sciences (BBS) had only been able to do 1-2 BBS multiple book treatments per year, because of our limited annual page quota. BBS's new expanded page quota will make it possible for us to increase the number of books we treat per year, so this is an excellent time for BBS Associates and biobehavioral/cognitive scientists in general to nominate books you would like to see accorded BBS multiple book review. (Authors may self-nominate, but books can only be selected on the basis of multiple nominations.) It would be very helpful if you indicated in what way a BBS Multiple Book Review of the book(s) you nominate would be useful to the field (and of course a rich list of potential reviewers would be the best evidence of its potential impact!). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Please note: Your email address has been added to our user database for Calls for Commentators, the reason you received this email. If you do not wish to receive further Calls, please feel free to change your mailshot status through your User Login link on the BBSPrints homepage, useing your username and password above: http://www.bbsonline.org/ For information about the mailshot, please see the help file at: http://www.bbsonline.org/help/node5.html#mailshot *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

24 years, 7 months

Post-doc in Mathematical Neuroscience

by Laszlo E. Szabo

Applications are invited for a Postdoctoral Research Fellow position in Mathematical Neuroscience. A Ph.D. in Mathematics or Theoretical Physics is required, along with serious interest in theoretical neuroscience. No previous experience in neuroscience is necessary; no interest in computation is necessary. The position will be open until it is filled. The Fellow will join an ongoing program to develop mathematics that reflects the organization of sensorimotor control. Versatility in selecting appropriate mathematical approaches is required for the variety of problems encountered in multilevel neurobiological systems. The research group is part of a multi-institution Theoretical Research Group. Within the Neurotology Department, the Fellow will interact with researchers of very different scientific backgrounds, including experimental and clinical expertise. Portland offers a full range of neuroscience seminars and classes. For more information, contact lstent(a)lhs.org. To apply, send 3 recommendations, CV, and letter explaining interest in this position to lstent(a)lhs.org. A standard application must also be filled out at www.legacyhealth.org. Minorities and women candidates are encouraged to apply. Legacy is an Affirmative Action/Equal Opportunity Employer. Gin McCollum gin_mccollum(a)yahoo.com

24 years, 7 months

Debate on toilers and thieves

by LORINCZ, Andras

Toiling on the concepts of toilers and thieves: Rephrasing the concept of "symbol grounding" Andras Lorincz I would like to continue our previous debate that started with the letter of Stevan Harnad during "1999-2000 Student Skywriting CogSci-Szeged99" (NOTE: I do not have the list of those who took part in this debate, neither the list of those who are interested in this debate. Please, answer me directly and I can set a separate mailing list up, depending on the number of people interested and, of course, on the opinion of the managers of koglist.) START OF QUOTATION FROM SH "...In the Cangelosi/Parisi paper, the (predecessors of) (1) "toilers" and (2) "thieves" were foragers who (1) learned which mushrooms were edible by trial and error-correcting feedback or (2) learned which mushrooms were edible by "hearsay" (overhearing the toilers say "edible": there were plenty of mushrooms, so the toilers lost nothing by vocalizing). In the competition, the "thief" strategy beat the "toiler" strategy, and the proportion of thieves in the population grew. But, as would have become evident if the simulation had continued for several more generations, "theft" under these conditions is not an "evolutionarily stable strategy." For once there were few or no toilers left, no one would know what was edible. For toilers, the knowledge is grounded in having learned the features of the edible mushrooms; so the toilers can forage alone; for the thieves, the only "feature" of an edible mushroom is the vocalization of the toilers: "edible". So when there are no more toilers, the thieves cannot eat. ..." END OF QUOTATION Insted of continuing the arguments I was giving that time I will try to rephrase those in a different manner. I would try to clarify the direction of these arguments by providing a few propositions first. Proposition 1. The concept of "thief" is misleading. Proposition 2. "Toiler" is a good concept. There are only toilers. Proposition 3. "Symbol grounding" is an ill-posed mixture of stealing and toiling. It "says" that a symbol was stolen and that now this stolen symbol is subject to toiling. Proposition 4. Separation of the two phases in "symbol grounding" may be better formulated by separating the two phases of symbol grounding to (A) "abduction" and to (B) "validation of abduction" which are both toilings and concern the interaction with the environment. THE ARGUMENTS: Argument1. Consider the viewpoint that there is no external world but we are only dreaming. Then there is no difference between toiling and stealing, both correspond to dreaming. Argument2. Consider three cases: Case 1. You build an aeroplane Case 2. You buy an aeroplane Case 3. You steal an aeroplane C1: You make lots of toilings, but you do steal, at least from mother nature C2: Clearly, you do both. You "exchange money" (= you steal in legal ways) lots of ideas from previous generations C3: You do lots of toilings to make a plan. You make this plan public (you provide a freeware and make your plan stealable) "in exchange" of the aeroplane. Regards, Andras

24 years, 7 months

PHILOSOPHY OF SCIENCE SEMINAR, K. Martinas

by Laszlo E. Szabo

24 years, 7 months

Rachlin: ALTRUISM AND SELFISHNESS: BBS Call for Commentators

by Stevan Harnad - Behavioral & Brain Sciences

Dear Dr. Qwerty, Below is the abstract of a forthcoming BBS target article ALTRUISM AND SELFISHNESS by Howard Rachlin http://www.bbsonline.org/Preprints/Rachlin/Referees/ This article has been accepted for publication in Behavioral and Brain Sciences (BBS), an international, interdisciplinary journal providing Open Peer Commentary on important and controversial current research in the biobehavioral and cognitive sciences. Commentators must be BBS Associates or nominated by a BBS Associate. To be considered as a commentator for this article, to suggest other appropriate commentators, or for information about how to become a BBS Associate, please reply by EMAIL within three (3) weeks to: calls(a)bbsonline.org The Calls are sent to 10,000 BBS Associates, so there is no expectation (indeed, it would be calamitous) that each recipient should comment on every occasion! Hence there is no need to reply except if you wish to comment, or to nominate someone to comment. If you are not a BBS Associate, please approach a current BBS Associate (there are currently over 10,000 worldwide) who is familiar with your work to nominate you. All past BBS authors, referees and commentators are eligible to become BBS Associates. A full electronic list of current BBS Associates is available at this location to help you select a name: http://www.bbsonline.org/Instructions/assoclist.html If no current BBS Associate knows your work, please send us your Curriculum Vitae and BBS will circulate it to appropriate Associates to ask whether they would be prepared to nominate you. (In the meantime, your name, address and email address will be entered into our database as an unaffiliated investigator.) To help us put together a balanced list of commentators, please give some indication of the aspects of the topic on which you would bring your areas of expertise to bear if you were selected as a commentator. To help you decide whether you would be an appropriate commentator for this article, an electronic draft is retrievable from the online BBSPrints Archive, at the URL that follows the abstract below. _____________________________________________________________ ALTRUISM AND SELFISHNESS Howard Rachlin Psychology Department State University of New York Stony Brook, New York, 11794-2500 KEYWORDS: addiction, altruism, commitment, cooperation, defection, egoism, impulsiveness, patterning, prisoner¹s dilemma, reciprocation, reinforcement, selfishness, self-control ABSTRACT: Many situations in human life present choices between (a) narrowly preferred particular alternatives and (b) narrowly less preferred (or aversive) particular alternatives that nevertheless form part of highly preferred abstract behavioral patterns. Such alternatives characterize problems of self-control. For example, at any given moment, a person may accept alcoholic drinks yet also prefer being sober to being drunk over the next few days. Other situations present choices between (a) alternatives beneficial to an individual and (b) alternatives that are less beneficial (or harmful) to the individual that would nevertheless be beneficial if chosen by many individuals. Such alternatives characterize problems of social cooperation; choices of the latter alternative are generally considered to be altruistic. Altruism, like self-control, is a valuable temporally-extended pattern of behavior. Like self-control, altruism may be learned and maintained over an individual¹s lifetime. It needs no special inherited mechanism. Individual acts of altruism, each of which may be of no benefit (or of possible harm) to the actor, may nevertheless be beneficial when repeated over time. However, because each selfish decision is individually preferred to each altruistic decision, people can benefit from altruistic behavior only when they are committed to an altruistic pattern of acts and refuse to make decisions on a case-by-case basis http://www.bbsonline.org/Preprints/Rachlin/Referees/ ___________________________________________________________ Please do not prepare a commentary yet. Just let us know, after having inspected it, what relevant expertise you feel you would bring to bear on what aspect of the article. We will then let you know whether it was possible to include your name on the final formal list of invitees. _______________________________________________________________________ *** SUPPLEMENTARY ANNOUNCEMENTS *** (1) The authors of scientific articles are not paid money for their refereed research papers; they give them away. What they want is to reach all interested researchers worldwide, so as to maximize the potential research impact of their findings. Subscription/Site-License/Pay-Per-View costs are accordingly access-barriers, and hence impact-barriers for this give-away research literature. There is now a way to free the entire refereed journal literature, for everyone, everywhere, immediately, by mounting interoperable university eprint archives, and self-archiving all refereed research papers in them. Please see: http://www.eprints.org http://www.openarchives.org/ http://www.dlib.org/dlib/december99/12harnad.html --------------------------------------------------------------------- (2) All authors in the biobehavioral and cognitive sciences are strongly encouraged to self-archive all their papers in their own institution's Eprint Archives or in CogPrints, the Eprint Archive for the biobehavioral and cognitive sciences: http://cogprints.soton.ac.uk/ It is extremely simple to self-archive and will make all of our papers available to all of us everywhere, at no cost to anyone, forever. Authors of BBS papers wishing to archive their already published BBS Target Articles should submit it to BBSPrints Archive. Information about the archiving of BBS' entire backcatalogue will be sent to you in the near future. Meantime please see: http://www.bbsonline.org/help/ and http://www.bbsonline.org/Instructions/ --------------------------------------------------------------------- (3) Call for Book Nominations for BBS Multiple Book Review In the past, Behavioral and Brain Sciences (BBS) had only been able to do 1-2 BBS multiple book treatments per year, because of our limited annual page quota. BBS's new expanded page quota will make it possible for us to increase the number of books we treat per year, so this is an excellent time for BBS Associates and biobehavioral/cognitive scientists in general to nominate books you would like to see accorded BBS multiple book review. (Authors may self-nominate, but books can only be selected on the basis of multiple nominations.) It would be very helpful if you indicated in what way a BBS Multiple Book Review of the book(s) you nominate would be useful to the field (and of course a rich list of potential reviewers would be the best evidence of its potential impact!). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Please note: Your email address has been added to our user database for Calls for Commentators, the reason you received this email. If you do not wish to receive further Calls, please feel free to change your mailshot status through your User Login link on the BBSPrints homepage, useing your username and password above: http://www.bbsonline.org/ For information about the mailshot, please see the help file at: http://www.bbsonline.org/help/node5.html#mailshot *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

24 years, 7 months

pszichofiziológia helyzete

by Mark Molnar

The following section of this message contains a file attachment prepared for transmission using the Internet MIME message format. If you are using Pegasus Mail, or any another MIME-compliant system, you should be able to save it or view it from within your mailer. If you cannot, please ask your system administrator for assistance. ---- File information ----------- File: mkorlev.doc Date: 30 Oct 2001, 14:51 Size: 29696 bytes. Type: MS-Word

24 years, 7 months

pszichofiziológia helyzete

by Mark Molnar

Pszichofiziológia helyzete info -- Mark Molnar M.D., Ph.D. Institute for Psychology Hungarian Academy of Sciences Budapest, P.O.B. 398. H-1394 HUNGARY tel.: (361)-3533244 fax : (361)-2692972 e-mail: molnar(a)cogpsyphy.hu http://www.cogpsyphy.hu

24 years, 7 months

Arckifejezés felismerés -- partnerkeresés

by LORINCZ, Andras

On-line arckifejezés-felismerö rendszerünk hamarosan elkészül. FACS alapú on-line arc-animátor szoftverünk is közel készen van. Különbözö témákban kivánjuk használni a két eszközt: 1. Intelligens számitógép és emberi reakció - mérése - optimalizációja 2. Segítörendszerek: - gyermekjáték - idõsek monitorozása 3. Távoktatás Mindezekhez elsö lépésben 'cliplet-gyártó' eszközt tudunk adni, amely egymáshoz füzhetö rövid klippek 'gyartasat' tesz lehetövé. Az eszköz célja egy cliplet- szótár összeállitása. Ehhez keresek érdeklödö partnereket. www cim: http://people.inf.elte.hu/lorincz/New.html email cim: alorincz(a)matavnet.hu Udvozlettel, Lorincz Andras

24 years, 7 months

PHILOSOPHY OF SCIENCE SEMINAR, November

by Laszlo E. Szabo

Department of History and Philosophy of Science Eotvos University Budapest, Pazmany P. setany 1/A PHILOSOPHY OF SCIENCE SEMINAR (http://hps.elte.hu/seminar) ________________________________________________ Program, November 5 November 4:00 PM 6th floor 6.54 (Language: English, except all participants speak Hungarian) K a t a l i n M a r t i n a s Atomic Physics, Eotvos University, Budapest Mathematics and Theoretical Economics Some questions raised by the Post Autistic Economics Movement In June, 2000 a small group of economics students of Ecole Normale Superiore put on the web a petition protesting against economics' "uncontrolled use of mathematics". This indulgence, it said, creates "a true schizophrenia" because the mathematics has "become an end in itself" resulting in an "autistic science". Since that time PAE became a worldwide movement, with the following petition: We, economics students in the universities of ..., declare ourselves to be generally dissatisfied with the teaching that we receive. This is so for the following reasons: 1. We wish to escape from imaginary worlds! 2. We oppose the uncontrolled use of mathematics! 3. We are for a pluralism of approaches in economics! 4. Call to teachers: wake up before it is too late! We no longer want to have this autistic science imposed on us. In the lecture the logical structure of theoretical (mathematical) economics will be summarized, to pinpoint the causes of this present schizophrenia. 12 November 4:00 PM 6th floor 6.54 (Language: Hungarian) P a n e l D i s c u s s i o n Panelists: Imre Kondor(1)(2) Tamas Matolcsi(3) Istvan Nemeti(4) Laszlo Palla(5) Miklos Redei(6) Peter Van(7) Moderator: Laszlo E. Szabo(5)(6) ____________ (1) Raiffeisen Bank, Budapest (2) Physics of Complex Systems, Eotvos University, Budapest (3) Applied Analysis, Eotvos University, Budapest (4) A. Renyi Institute of Mathematics, Budapest (5) Theoretical Physics, Eotvos University, Budapest (6) History and Philosophy of Science, Eotvos University, Budapest (7) Chemical Physics, Technical University, Budapest A fizika es a matematika viszonya (Relation Between Physics and Mathematics) "Ugy tunik, a Nagy epitomester matematikus volt", idezi Feynman Jeans szavait, majd hozzateszi, "A fizikusok ... ha a termeszetrol akarnak ismereteket szerezni, meltanyolni akarjak annak szepsegeit, akkor erteniuk kell azt a nyelvet, amelyen hozzank szol." Igaz-e, hogy a termeszet egy meghatarozott nyelven szol hozzank? Ha igen, honnan tudjuk mi ezt a nyelvet? A termeszettol tanuljuk meg? Ha nem, ha a matematikanak van egy belso, ontorvenyu fejlodese, ha a matematika az emberi szellem termeke, akkor honnan az a parhuzam, hogy a termeszet ugyanazt a nyelvet beszeli, mint amit mi, tole fuggetlenul, kitalalunk? Egyaltalan, csupan nyelvrol van itt szo? A matematika szerepe a fizikaban nem tobb, mint egy nyelv, amelyen a "termeszet szepseget" elmeseljuk? Vagy a matematikai strukturak valahol melyen ott ulnek a fizikai valosagban? Ha nem, akkor csak mi belevetitjuk, belelatjuk ezeket a strukturakat a fizikai vilagba? Ha ez igy volna, belevetithetnenk egeszen mas strukturakat is? s ha igen, ha a termeszet nem kontrollalja azokat a strukturakat, amiket raaggatunk, akkor a matematikus barmit kitalalhat? Mi ezeknek a matematikai strukturaknak az ontologiai statusza? Leteznek ezek? Valahol vannak, az embertol, az emberi gondolkodastol, az emberiseg tortenelmetol fuggetlenul? Az a matematikus dolga, hogy ezeket "felfedezze", vagy az, hogy "megalkossa"? Van ertelme a SETI program kereteben az "a2+b2=c2" formulat elkuldeni tavoli ertelmes lenyeknek? s a Maxwell-egyenleteket? Egyaltalan, erdekli a fizikust, mikozben a matematikat hasznalja, hogy milyen valaszokat adunk a matematika alapjait erinto kerdesekre? Van kulonbseg a fizikus szamara a platonista, az intuicionista vagy a formalista allaspont kozott? 19 November 4:00 PM 6th floor 6.54 (Language: Hungarian) P e t e r S z e g e d i Department of History and Philosophy Science Eotvos University, Budapest A kvantummechanika stochasztikus interpretaciojanak tortenete (The History of the Stochastic Interpretation of Quantum Mechanics) Mar Schrodinger felfedezte, hogy a rola elnevezett egyenlet formailag hasonlo egyes stochasztikus folyamatokat leiro egyenletekhez, de felfedezesevel nem kezdett semmi kulonoset. Elsokent Fenyes Imre vette komolyan az analogiat, aki eloszor egy maig is joforman ismeretlen rovid angol nyelvu kozlemenyben, majd egy hires nemet nyelvu cikkben dolgozta ki elkepzeleseit. Az utobbi tanulmanyhoz mar interpretaciot is fuzott, amely szerint a kvantummechanika nem kulonbozik lenyegesen a klasszikus fizika stochasztikus jelensegkoretol, sajatossagai csupan a valoszinusegi targyalasmod kovetkezmenyei. Fenyes szazad kozepi munkajat nehanyan azonnal kovettek, de igazan nevezetesse csak Nelson valt a 60-as evek kozepen, aki a kvantummechanikai jelensegeket tulajdonkeppen egy "alacsonyabb szinten" levo Brown-mozgasnak tulajdonitotta. Idokozben az elektrodinamikaban elkezdtek vizsgalni, hogy milyen kovetkezmenyekkel jar bizonyos fizikai rendszerekre, ha hatarfeltetelul stochasztikus elektrodinamikai eroket (tereket) teteleznek fel. Az igy kapott eredmenyek konvergaltak a stochasztikus interpretacion munkalkodok eredmenyeivel. Letrejott a stochasztikus elektrodinamika mint a kvantummechanika lehetseges interpretacioja, sot alternativaja. Az eloadas a torteneti leiras mellett megprobalja felvazolni az egyes elmeletek alapjait, fo gondolatait, valamint ezek kovetkezmenyeit is. 26 November 4:00 PM 6th floor 6.54 (Language: English) R y s z a r d W o j c i c k i Institute of Philosophy and Sociology, Polish Academe of Sciences, Warsaw MULTI-REFERENTIAL SEMANTICS The talk is related to some results I have presented in my book on consequence operation published by Kluwer. We expect consequence operation to preserve truth. Now the idea of truth might be in a sense "multidimentional". Depending on a reference point one might view the same sentence as either true of false. I shall focus on informal (philosophical) questions rather than formal ones. The organizer of the seminar: L�szl� E. Szab� -- Laszlo E. Szabo Department of Theoretical Physics Department of History and Philosophy of Science Eotvos University, Budapest H-1518 Budapest, Pf. 32, Hungary Phone/Fax: (36-1)372-2924 Home: (36-1) 200-7318 Mobil/SMS: (36) 20-366-1172 http://hps.elte.hu/~leszabo *-----------------------------------------------------------------------* | A FIZINFO a fizikus informacios rendszer resze | | | | Cikk, hozzaszolas a | | | | Fizinfo(a)lists.kfki.hu | | | | cimre kuldheto. Ilyenkor a subject-sorba a cikk cimet kell irni. | | A cikk szovege a level torzse. Ez sima szoveg legyen! | | | | Informacio: http://sunserv.kfki.hu/mailman/listinfo/fizinfo | | | | A beerkezo levelek feldolgozasat program vegzi. Az emberi valaszt | | igenylo kerest, kerdest az alabbi cimek valamelyikere lehet megirni: | | | | Jenik Livia jenik(a)rmki.kfki.hu | | Kiraly Peterne kiraly(a)sunserv.kfki.hu | | | *-----------------------------------------------------------------------*

24 years, 7 months

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