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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ ̤Äê¤ÎÉôʬ¤Ë¤Ä¤¤¤Æ¤Ï¡¢¾ÜºÙ¤¬·èÄ꼡Âè¡¢ÄɤäƤ´Ï¢ÍíÃפ·¤Þ¤¹¡£ ¡ûÂè67²ó ¡¡7·î14Æü(ÌÚ)14:45¡Á16:15¡¡Íý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ ¡¡ÀÄÌø ÉÙ»ïÀ¸¡ÊµþÅÔÂç³ØÂç³Ø±¡¡¦¾ðÊ󳨏¦µæ²Ê¡Ë¡¡ ¡¡¥¿¥¤¥È¥ë¡¦¥¢¥Ö¥¹¥È¥é¥¯¥È¡§Ì¤Äê ¡ûÂè68²ó¡¡ ¡¡7·î14Æü(ÌÚ)16:30¡Á18:30¡¡Íý³ØÉô8¹æ´Û309¹ÖµÁ¼¼¡¡¡¡ ¡¡ËöëÂçÆ»¡Ê²Ê³Øµ»½Ñ¿¶¶½µ¡¹½ERATO¹ç¸¶Ê£»¨¿ôÍý¥â¥Ç¥ë¥×¥í¥¸¥§¥¯¥È¡Ë ¡¡¥¿¥¤¥È¥ë: ·ë¹ç¥«¥ª¥¹·Ï¤Ë¤ª¤±¤ë±£¤ì¤¿Æ±´ü¤Î¸¡½Ð¡§ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¥«¡¼¥Í¥ëÀµ½àÁê´ØÊ¬ÀϤ˴ð¤Å¤¯¥¢¥×¥í¡¼¥Á ¡¡¥¢¥Ö¥¹¥È¥é¥¯¥È:¡¡ ¡¡¸Ä¡¹¤ÎÁǻҤ¬°Û¤Ê¤ë¥À¥¤¥Ê¥ß¥¯¥¹¤ò»ý¤Ä¾ì¹ç¤Ç¤â¡¢·ë¹ç¤Ë¤è¤Ã¤Æ£²¤Ä¤Î ¡¡ÁǻҴ֤ËÈóÀþ·Á¤Î´Ø¿ô´Ø·¸¤¬À¸¤Þ¤ì¡¢·ÏÁ´ÂΤǤα¿Æ°¤Î¼Â¸ú¼«Í³ÅÙ¤¬À© ¡¡¸Â¤µ¤ì¤ë¡¢¤È¤¤¤¦°ÕÌ£¤Ç¤Î°ì¼ï¤Î°ú¤­¹þ¤ß¸½¾Ý¤¬´Ñ»¡¤µ¤ì¤ë¤³¤È¤¬¤¢ ¡¡¤ë¡£¤³¤Î¤è¤¦¤Ê¸½¾Ý¤Ï°ìÈ̲½Æ±´ü¡ÊGeneralized Synchronization: ¡¡GS¡Ë¤È¸Æ¤Ð¤ì¡¢ÃγвáÄø¤Ë¤ª¤±¤ë·ë¤Ó¤Ä¤±ÌäÂê¤äâ¡áò¤Ê¤É¤ÎǾ¤Î³èư¤Ë ¡¡¤Ä¤¤¤ÆGS¤Î´ÑÅÀ¤«¤é¤Î²òÀϤ¬¹Ô¤ï¤ì¤ë¤Ê¤É¡¢¼ÂºÝ¤Î±þÍÑÌ̤«¤é¤Î ¡¡´Ø¿´¤â¤â¤¿¤ì¤Æ¤¤¤ë¡£ ¡¡¼Â¸³¤ÇÆÀ¤é¤ì¤¿¥Ç¡¼¥¿¤«¤éGS¤ò²òÀϤ¹¤ë¤¿¤á¤Ë¤Ï¡¢£²¤Ä¤Î¥À¥¤¥Ê ¡¡¥ß¥¯¥¹´Ö¤ÎÈóÀþ·Á¹½Â¤¤òŬÀڤ˪¤¨¤ëɬÍפ¬¤¢¤ë¡£ºÇ¶á¡¢¥Ç¡¼¥¿¤ËÆâºß ¡¡¤¹¤ëÈóÀþ·Á¹½Â¤¤òÃê½Ð¤¹¤ëÅý°ìŪ¤ÊÊýË¡¤È¤·¤Æ¡ÊºÆÀ¸¡Ë¥«¡¼¥Í¥ëË¡¤È¸Æ ¡¡¤Ð¤ì¤ëµ¡³£³Ø½¬Ë¡¤¬ÃíÌܤò½¸¤á¤Æ¤ª¤ê¡¢¥µ¥Ý¡¼¥È¥Ù¥¯¥È¥ë¥Þ¥·¡¼¥ó¤ËÂå ¡¡É½¤µ¤ì¤ëÍÍ¡¹¤Ê¼êË¡¤¬Ä󰯤µ¤ì¤Æ¤¤¤ë¡£¤½¤ÎÃæ¤Ë¡¢Æó¤Ä¤Î¥Ç¡¼¥¿´Ö¤ÎÁê ¡¡´Ø¤òÄ´¤Ù¤ë¿ÊÑÎ̲òÀϼêË¡¤Ç¤¢¤ëÀµ½àÁê´ØÊ¬ÀÏ¡ÊCanonical ¡¡Correlation Analysis: CCA¡Ë¤Ë¥«¡¼¥Í¥ëË¡¤Î³µÇ°¤òŬÍѤ·¤¿¥«¡¼¥Í¥ë ¡¡CCA¤¬Ä󰯤µ¤ì¤Æ¤¤¤ë¡£ ¡¡ËÜȯɽ¤Ç¤Ï¡¢¤³¤Î¥«¡¼¥Í¥ëCCA¤òGS¤ò¼¨¤¹´ö¤Ä¤«¤ÎÎÏ³Ø·Ï ¡¡¥â¥Ç¥ë¤ËÂФ·¤ÆÅ¬ÍѤ·¤¿·ë²Ì¡¢ÆÃ¤Ë¡¢ ¡¡¡¦£²¤Ä¤Î¥À¥¤¥Ê¥ß¥¯¥¹´Ö¤ÎÈóÀþ·Á¤Î´ØÏ¢À­¤Î¿¼¤µ¤ÎŬÀÚ¤ÊÄêÎ̲½ ¡¡¡¦¥«¡¼¥Í¥ëCCA¤ÇÆÀ¤é¤ì¤ëÈóÀþ·ÁÊÑ´¹¤òÍøÍѤ·¤¿Èó¼«ÌÀ¤Ê¥À¥¤¥Ê ¡¡¡¡¥ß¥¯¥¹¤ÎÃê½Ð¡¡ ¡¡¡¦¸òº¹¸¡¾ÚË¡¡ÊCross Validation: CV¡Ë¤Ë´ð¤Å¤¯ºÇŬ¤Ê¥â¥Ç¥ë¥Ñ ¡¡¡¡¥é¥á¥¿¤Î·èÄê ¡¡¤Ê¤É¤Ë´Ø¤¹¤ëºÇ¶á¤Î¸¦µæÀ®²Ì¤òÃæ¿´¤ËÊó¹ð¤¹¤ë¡£ ¡¡ËÜȯɽ¤òÄ̤¸¤Æ¡¢Ê£»¨¤Ê¥À¥¤¥Ê¥ß¥¯¥¹¤Î²òÀϤˤª¤±¤ë¥«¡¼¥Í¥ëË¡¤ÎÏÈÁÈ ¡¡¤ß¤¬»ý¤Ä²ÄǽÀ­¤Ë¤Ä¤¤¤ÆÏÀ¤¸¤¿¤¤¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 6·î24Æü(¶â)15¡§00¡Á¡¡Íý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ Dr. Dmitry Nerukh Unilever Centre for Molecular Informatics, Department of Chemistry, Cambridge University (Íý²½³Ø¸¦µæ½ê¥²¥Î¥à²Ê³ØÁí¹ç¸¦µæ¥»¥ó¥¿¡¼ ³°¹ñ¿ÍµÒ°÷¸¦µæ°÷(JSPS)) ¥¿¥¤¥È¥ë: Dynamic complexity of protein folding: computational mechanics on classical molecular trajectories ¥¢¥Ö¥¹¥È¥é¥¯¥È: An elementary event of protein folding - the beta-turn formation - in a Leu-enkephalin molecule is investigated. Classical MD of the peptide in explicit water is used to simulate the trajectories of the system¡Çs atoms. They are then analysed using the computational mechanics [1] approach in order to discover the dynamic structure at the moment of turn formation. It is found that all the peptide¡Çs atoms as well as the majority of the waters of the first solvation shell exhibit a drop in dynamic complexity exactly at the moment of the transition. The complexity measure used in this study quantify the degree of chaoticity of the system¡Çs trajectories, the more chaotic corresponding to a higher value of complexity. Transition dynamics theory suggests that chaotic dynamics can become quasi-regular at the moment of barrier crossing [2]. Thus our results present the first evidence supporting this general hypothesis for realistic high-dimensional molecular systems. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2·î21Æü(·î)¡¡15¡§00-16¡§30¡¡ Íý³ØÉô8¹æ´Û 3³¬¿ô³Ø¥»¥ß¥Ê¡¼¼¼¡Ê8-302¡Ë ¢¨¤¤¤Ä¤â¤È²ñ¾ì¤¬°Û¤Ê¤ê¤Þ¤¹¤Î¤Ç¤´Ãí°Õ²¼¤µ¤¤ Hans H. Diebner ¡¡¡ÊCenter for Art and Media, Karlsruhe, Germany¡Ë ¥¿¥¤¥È¥ë¡§ On the role of arts and hermeneutics in complex systems research (II) ¥¢¥Ö¥¹¥È¥é¥¯¥È¡§ In this second part of the conference the relationship of system theory and hermeneutics will be deepend. The review of some concrete technical examples presented in the first part led to a criticism with respect to the ambitious goal of artificial intelligent systems to mimick human cognitive capabilities and to assist humans in cognitive tasks. Indications for shortcomings with respect to this bold desires had been given and some dangerous aspects like the "predjudice confirming machanisms" that enslaves the users which can be interpreted as Heidegger's reification tendency ("Verdinglichungstendenz") of technics have been discussed. Despite this criticism there is a clear affinity of Heidegger's fundamental ontology and system theory as has been promoted by Niklas Luhmann within philosophy. In recent years however, also within the siences an approch towards hermeneutics can be observed. This is mainly due the encounter with selfreferentiality in system theory leading to similar problems of "being-in-the-world" or being "endo". Although this second part of the conference will be naturally somewhat more abstract and philsophical casual references to concrete technical examples are given with a slight redundancy to the first part so that new attandents should be able to follow the crucial points of the talk. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2·î21Æü(·î)¡¡15¡§00-16¡§30¡¡ Íý³ØÉô8¹æ´Û 3³¬¿ô³Ø¥»¥ß¥Ê¡¼¼¼¡Ê8-302¡Ë ¢¨¤¤¤Ä¤â¤È²ñ¾ì¤¬°Û¤Ê¤ê¤Þ¤¹¤Î¤Ç¤´Ãí°Õ²¼¤µ¤¤ Hans H. Diebner ¡¡¡ÊCenter for Art and Media, Karlsruhe, Germany¡Ë ¥¿¥¤¥È¥ë¡§ On the role of arts and hermeneutics in complex systems research (II) ¥¢¥Ö¥¹¥È¥é¥¯¥È¡§ In this second part of the conference the relationship of system theory and hermeneutics will be deepend. The review of some concrete technical examples presented in the first part led to a criticism with respect to the ambitious goal of artificial intelligent systems to mimick human cognitive capabilities and to assist humans in cognitive tasks. Indications for shortcomings with respect to this bold desires had been given and some dangerous aspects like the "predjudice confirming machanisms" that enslaves the users which can be interpreted as Heidegger's reification tendency ("Verdinglichungstendenz") of technics have been discussed. Despite this criticism there is a clear affinity of Heidegger's fundamental ontology and system theory as has been promoted by Niklas Luhmann within philosophy. In recent years however, also within the siences an approch towards hermeneutics can be observed. This is mainly due the encounter with selfreferentiality in system theory leading to similar problems of "being-in-the-world" or being "endo". Although this second part of the conference will be naturally somewhat more abstract and philsophical casual references to concrete technical examples are given with a slight redundancy to the first part so that new attandents should be able to follow the crucial points of the talk. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2·î9Æü¡Ê¿å¡Ë15¡§00¡Á16¡§30¡¡Íý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ Hans H. Diebner ¡¡¡ÊCenter for Art and Media, Karlsruhe, Germany¡Ë ¥¿¥¤¥È¥ë¡§ On the role of arts and hermeneutics in complex systems research (I) ¥¢¥Ö¥¹¥È¥é¥¯¥È¡§ This first of a two-part conference is devoted to a summary of my investigations of complex systems that gradually forced me to scrutinize pure system theoretical methods and to flirt with artistic procedures. It ended up so far in an attempt to fertilize complex systems research with "philosophical hermeneutics". Four concrete project examples are given. Firstly, the scheme of an adaptive cognitive system is presented. The system contains dynamical moduls that allow to anticipate the future and to simulate aspects of the external world. An attempt to endow simulated agents with the system failed so far due to the overwhelming computational time consumption. Both, the adaptive system and the following second example, the "EyeVisionBot", have been stimulated by my previous experience in medical biometry where I became acquainted with the Bayesian inference principle extensively used in diagnostics. The Bayesian approach relies on subjective probabilities and describes the update of "a priori" to "a posteriori" knowledge. This comes close to a formalization of the hermeneutic circle. EyeVisonBot is an eye-tracking-based image retrieval interface applied to data bases or the internet that allows for the anticipation of the desired picture category derived from previous viewing behavior. The ambitious goal has been defined to mimick the hermeneutic circle in form of an adaptive classification of data bases. A comparison with the conception of evidence based medicine is given. The EyeVisonBot acutely challenged my thinking of being able to externalize the human way of understanding the world. The intimidating point of such adaptive tools is that they have the potentiality for representing an enslaving prejudice confirming machinery. A third example, the "AI-Arena", a simulation of bots endowed with strategies builds on the capacity of the public to contribute to research. The user can create his/her own bot and endow it with an arbitrary strategy. The cooperative behavior is studied by observing the user of the simulation with respect to his/her choice of strategies and his/her reaction to its effect in the simulation. This is an ever-open, process-based approach to understand the human being. The fourth example is to introduce a performative approach to the understanding of complex systems. The better a complex system approximates aspects of life the more mathematics loses grip to analyze them. Performative approaches pave their way. This indicates a tendency towards hermeneutics which is topic of the second part of this conference. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2·î9Æü¡Ê¿å¡Ë15¡§00¡Á16¡§30¡¡Íý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ Hans H. Diebner ¡¡¡ÊCenter for Art and Media, Karlsruhe, Germany¡Ë ¥¿¥¤¥È¥ë¡§ On the role of arts and hermeneutics in complex systems research (I) ¥¢¥Ö¥¹¥È¥é¥¯¥È¡§ This first of a two-part conference is devoted to a summary of my investigations of complex systems that gradually forced me to scrutinize pure system theoretical methods and to flirt with artistic procedures. It ended up so far in an attempt to fertilize complex systems research with "philosophical hermeneutics". Four concrete project examples are given. Firstly, the scheme of an adaptive cognitive system is presented. The system contains dynamical moduls that allow to anticipate the future and to simulate aspects of the external world. An attempt to endow simulated agents with the system failed so far due to the overwhelming computational time consumption. Both, the adaptive system and the following second example, the "EyeVisionBot", have been stimulated by my previous experience in medical biometry where I became acquainted with the Bayesian inference principle extensively used in diagnostics. The Bayesian approach relies on subjective probabilities and describes the update of "a priori" to "a posteriori" knowledge. This comes close to a formalization of the hermeneutic circle. EyeVisonBot is an eye-tracking-based image retrieval interface applied to data bases or the internet that allows for the anticipation of the desired picture category derived from previous viewing behavior. The ambitious goal has been defined to mimick the hermeneutic circle in form of an adaptive classification of data bases. A comparison with the conception of evidence based medicine is given. The EyeVisonBot acutely challenged my thinking of being able to externalize the human way of understanding the world. The intimidating point of such adaptive tools is that they have the potentiality for representing an enslaving prejudice confirming machinery. A third example, the "AI-Arena", a simulation of bots endowed with strategies builds on the capacity of the public to contribute to research. The user can create his/her own bot and endow it with an arbitrary strategy. The cooperative behavior is studied by observing the user of the simulation with respect to his/her choice of strategies and his/her reaction to its effect in the simulation. This is an ever-open, process-based approach to understand the human being. The fourth example is to introduce a performative approach to the understanding of complex systems. The better a complex system approximates aspects of life the more mathematics loses grip to analyze them. Performative approaches pave their way. This indicates a tendency towards hermeneutics which is topic of the second part of this conference. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 3·î16Æü(²Ð) 16:00-17:00 ËÌÂçÍý³ØÉô8¹æ´Û302¼¼ Peter Erdi (Center for Complex System Studies, Kalamazoo College) "Neural Networks, Brain Rhythms and Computational Neuropharmacology" 3·î26Æü(¶â) 15:00¤«¤é ËÌÂçÍý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ Yakov B. Pesin (The Pennsylvania State University), "Thermodynamics of Unimodal Maps" "Dynamics of the Discretized FitzHugh-Nagumo Equation" 26Æü¤Ï¹Ö±é¤¬Æó²ó¤Ëʬ¤«¤ì¤Þ¤¹¤Î¤Ç¡¢µÙ·Æ¤ò¤Ï¤µ¤ß¤Þ¤¹¡£ ³µÍפä²áµî¤Î¾ðÊóÅù¤Ï http://coe.math.sci.hokudai.ac.jp/ ¤è¤ê¸æÍ÷²¼¤µ¤¤¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ Éô²°¤¬ÊѤê¤Þ¤·¤¿¤Î¤Ç¤´Ãí°Õ²¼¤µ¤¤¡£ 2·î9Æü(·î) 16:30-18:00 ËÌÂçÍý³ØÉô8¹æ´Û309¹ÖµÁ¼¼ Professor George Kampis (Etovos-Roland University, Budapest, Hungary) "Hypercompetition and Evolution" Abstract: Darwinian evolution is often characterized as a process of competition. Ordinary competition is resulting from differences in reproductive rates, i.e. constants of a linear differential equation. Hypercompetion is defined, on the other hand, as higher order competition, which arises in quadratic or other density-dependent equations, leading to runaway processes. The resulting hyperbolic growth is familiar from Hypercyles and replicator dynamics, for instance. I discuss the hidden presence and the relevance of hypercompetition in a wide class of evolutionary phenonema such as various growth processes and agent-based evolutionary simulations where it arises as a result of mass action. º£Ç¯Å٤ϼ¡¤ÎͽÄ꤬¤¢¤ê¤Þ¤¹¡£³µÍפä²áµî¤Î¾ðÊóÅù¤Ï http://coe.math.sci.hokudai.ac.jp/ ¤è¤ê¸æÍ÷²¼¤µ¤¤¡£ 3/16(Tue) 16:00-17:00 8-302 Peter Erdi (Center for Complex System Studies, Kalamazoo College) Neural Networks, Brain Rhythms and Computational Neuropharmacology 3/26(Fri) 16:00-18:00 8-309 Prof.Yakov B. Pesin, Thermodynamics of Unimodal Maps - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 3·î16Æü(²Ð) 16:00¤«¤é17:00¤Þ¤Ç ËÌÂçÍý³ØÉô8¹æ´Û302¼¼¤Ë¤Æ Peter Erdi (Center for Complex System Studies, Kalamazoo College) "Neural Networks, Brain Rhythms and Computational Neuropharmacology" ³µÍ×¤Ï http://coe.math.sci.hokudai.ac.jp/ ¤è¤ê¸æÍ÷²¼¤µ¤¤¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2004ǯ3·î26Æü(¶â) 16:00 º¢¤«¤é ËÌÂçÍý³ØÉô8¹æ´Û309¹ÖµÁ¼¼¤Ë¤Æ ¹Ö±é¼Ô: Yakov B. Pesin ¥¿¥¤¥È¥ë: Thermodynamics of Unimodal Maps ³µÍ×: I will discuss the thermodynamical formalism for real unimodal maps. This includes the variational principle of statistical physics for this maps, existence, and uniqueness of equilibrium (Gibbs) states. This is one of the very few examples of non-uniformly hyperbolic systems for which the thermodynamical formalism can be established. It allows one to construct many meaningful invariant measures for unimodal maps other then the well-known absolutely continuous one. ³«»Ï»þ´Ö¤È¾ì½ê¤ÏÊѤï¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2004ǯ2·î9Æü(·î) 16:30-18:00 ËÌÂçÍý³ØÉô4¹æ´Û409¼¼ Professor George Kampis (Etovos-Roland University, Budapest, Hungary) "Hypercompetition and Evolution" Abstract: Darwinian evolution is often characterized as a process of competition. Ordinary competition is resulting from differences in reproductive rates, i.e. constants of a linear differential equation. Hypercompetion is defined, on the other hand,as higher order competition, which arises in quadratic or other density-dependent equations, leading to runaway processes. The resulting hyperbolic growth is familiar from Hypercyles and replicator dynamics, for instance. I discuss the hidden presence and the relevance of hypercompetition in a wide class of evolutionary phenonema such as various growth processes and agent-based evolutionary simulations where it arises as a result of mass action. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp
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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ 2003ǯ7·î25Æü(¶â) 15:00¤«¤é ËÌÂçÍý³ØÉô8¹æ´Û309¹ÖµÁ¼¼¤Ë¤Æ ËÜÆ²µ£ »á (ÅìËÌÂç³ØÍý³ØÉôʪÍý³Ø²Ê) "Coherent dynamics of an asymmetric particle in a vibrating bed" Abstract: Coherent motion is found to emerge out of fluctuations in a vibrated asymmetric particle. Depending on the parameters, amplitude, and frequency of the box, the motion of the particle is classified into several phases. The transition between fluctuating motion and unidirectional motion occurs with constant acceleration in the low-frequency regime and constant amplitude in the high-frequency regime. We show through dimensional analysis that this behavior does not depend on the detailed geometry of the particle. ¡ôÍý³ØÉô8¹æ´Û¤Ïµì¿¨ÇÞ²½³Ø¸¦µæ¥»¥ó¥¿¡¼¤ò²þ½¤¤·¤¿·úʪ¤Ç¤¹¡£¤´Ãí°Õ²¼¤µ¤¤¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp


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Âç³Ø±¡¥»¥ß¥Ê¡¼¡¡¡¡¡¡updated 2003ǯ1·î14Æü(²Ð) 15:00 ËÌÂçÍý³ØÉô5¹æ´Û202¼¼ Cees van Leeuwen (RIKEN & University of Sunderland, UK) A "Complex Systems" Approach to Perceptual Dynamics Antonino Raffone (University of Sunderland, UK) Spike timing-dependent neural coding and plasticity in the visual system: neural mechanisms for perceptual grouping, priming and short-term memory
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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ Æü»þ: 9·î3Æü (·î) 14:00- ¾ì½ê: 4-508 (ËÌÂçÍý³ØÉô4¹æ´Û5³¬) ±éÂê: ³Ø½¬¤Î¥À¥¤¥Ê¥ß¥¯¥¹¤Ècoupled replicator equation ¹Ö±é¼Ô: º´Æ£ ¾ù (Íý¸¦) Abstract: Áê¸ßºîÍѤ˴ð¤Å¤¯³Ø½¬¤Î¥À¥¤¥Ê¥ß¥¯¥¹¤òreplicator equation¤Î·ë¹ç·Ï¤Ç²òÀϤ·¤¿¡£ Rock-scissors-paper game¤Ë¤ª¤±¤ë³Ø½¬¤Î¥À¥¤¥Ê¥ß¥¯¥¹¤Ï¡¢³Ø½¬Î¨¤¬1¤Î¾ì¹çÊÝ Â¸·Ï¤È¤Ê¤ê¡¢¥²¡¼¥à¤¬¥¼¥í¥µ¥à¤Î¾ì¹ç¤ÏHamilton·Ï¤È¤Ê¤ë¡£¥À¥¤¥Ê¥ß¥¯¥¹¤Ï¥Ñ¥é ¥á¡¼¥¿¤Ë±þ¤¸¤Æ¡¢¥Ø¥Æ¥í¥¯¥ê¥Ë¥Ã¥¯¡¦¥µ¥¤¥¯¥ë¡¢¥Ï¥ß¥ë¥È¥ó¥«¥ª¥¹¤ò¼¨¤¹¡£¤Þ¤¿ ³Ø½¬Î¨¤¬1°Ê²¼¤Î¾ì¹ç¤Ï¿¥¢¥È¥é¥¯¥¿·Ï¤È¤Ê¤ë¡£ ¥µ¥Ö¥·¥¹¥Æ¥à¤Ç¤¢¤ë³Æagent¤Î³Ø½¬¤Î¥À¥¤¥Ê¥ß¥¯¥¹¤È·ÏÁ´ÂΤΥÀ¥¤¥Ê¥ß¥¯¥¹¤òÈæ ³Ó¤·¡¢collective behavior¤Îcomplexity¤Èagent´Ö¤ËÀ¸¤¸¤ë¾ðÊó¤Îή¤ì¤Ë¤Ä¤¤¤Æ ¹Í»¡¤¹¤ë¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439 / E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻 Æü»þ¡§6·î26Æü(²Ð) 16:30 ¤è¤ê ¾ì½ê¡§ËÌÂçÍý³ØÉô 5 ¹æ´Û 206 ¼¼ ÂêÌÜ¡§Statistical properties of certain nonhyperbolic systems. ¹Ö±é¼Ô¡§Í³ÍøÈþÃÒ»Ò¡Ê»¥ËÚÂç³Ø·Ð±Ä³ØÉô¡Ë Abstract: In this talk, we study mathematical models which show both phase transitions and subexponential decay of correlations. For this purpose, we introduce a new class of potentials and a weak notion of Bowen's Gibbs measures. - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL/FAX 011-706-4439, E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ £µ·î£±£¸Æü¤ÏÊ£¿ô¤Î¹Ö±é¤òͽÄꤷ¤Æ¤¤¤Þ¤¹¡£ Æü»þ: £µ·î£±£±Æü¡Ê¶â¡Ë£±£µ¡§£°£°¤è¤ê ¾ì½ê: ËÌÂçÍý³ØÉô£´¹æ´Û£´£°£¹¹æ¼¼ ±éÂê: "Complexity and Natural Systems" ¹Ö±é¼Ô: G. Kampis(Etovos-Laurant University) Æü»þ: £µ·î£±£·Æü(ÌÚ¡Ë£±£¶¡§£³£°¤è¤ê ¾ì½ê: ËÌÂçÍý³ØÉô£´¹æ´Û£´£°£¹¹æ¼¼ ±éÂê: G. Kampis(Etovos-Laurant University) ¹Ö±é¼Ô: "Mind and Brain" Æü»þ: £µ·î£±£¸Æü(¶â¡Ë£±£µ¡§£°£°¤è¤ê ¾ì½ê: ËÌÂçÍý³ØÉô£´¹æ´Û£´£°£¹¹æ¼¼ ±éÂê: "Explicit Epistemology" ¹Ö±é¼Ô: G. Kampis(Etovos-Laurant University) ±éÂê: "Space/Time Perception in a Dynamical Recognizer" ¹Ö±é¼Ô: ÃÓ¾å¹â»Ö¡ÊÅìµþÂç³ØÁí¹çʸ²½¸¦µæ²Ê¡Ë - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ »þ´Ö¤¬Êѹ¹¤Ë¤Ê¤ê¤Þ¤¹¡£ Æü»þ: 12·î15Æü(¶â)13:00-14:00 ¾ì½ê: 4-409 (ËÌÂçÍý³ØÉô4¹æ´Û4³¬) ¹Ö±é¼Ô: ¹ÔÌÚ¹§É×(ËÌÂçÍý) ±éÂê: 1¼¡¸µ cellular automata ¤ÎÁ²¶áµóư¤ÈÁêž°Ü --- ECA184¤ÈÊݸ·Ï¤òÃæ¿´¤Ë --- - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ Æü»þ: 12·î15Æü(¶â)15:00- ¾ì½ê: 4-409(ËÌÂçÍý³ØÉô4¹æ´Û4³¬) ±éÂê: 1¼¡¸µ cellular automata ¤ÎÁ²¶áµóư¤ÈÁêž°Ü --- ECA184¾¤òÃæ¿´¤Ë --- ¹Ö±é¼Ô: ¹ÔÌÚ¹§É×(ËÌÂçÍý) - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


ÆÃÊֱ̹é¤Î¤ªÃΤ餻 Æü»þ: 11·î21Æü(²Ð)15:30-16:30 ¾ì½ê: 3-508(ËÌÂçÍý³ØÉô3¹æ´Û5³¬) ±éÂê: Î¥»¶»þ´Ö¤Î¥®¥ë¥µ¡¼¥Î¥Õʬ²ò¤È¤½¤Î¶âÍ»¹©³Ø¤Ø¤Î±þÍÑ ¹Ö±é¼Ô: ²¬ÉôÌ÷·û(ÅìÂç·×¿ô) - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ ¹Ö±é¼Ô¡§¡¡Dr. Luc Berthouze¡¡¡ÊÅŻҵ»½ÑÁí¹ç¸¦µæ½ê¡Ë ±éÂê¡§¡¡About Sensorimotor Categories Æü»þ¡§¡¡£±£°·î£²£¶Æü¡ÊÌÚ¡Ë¡¡£±£³¡§£°£°¤è¤ê£²»þ´ÖÄøÅÙ ¾ì½ê¡§¡¡¿ô³Ø¶µ¼¼Æî¹»¼Ë£³¡Ý£µ£±£²¹æ¼¼ (ËÌÂçÍý³ØÉô3¹æ´Û5F) - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ Æü»þ: 10·î10Æü¡Ê²Ð¡Ë 17:00- ¾ì½ê: 3-508(ËÌÂçÍý³ØÉô3¹æ´Û3³¬) ±éÂê: "Dynamics in multi-component Hamiltonian systems and its connection to observation processes" ¹Ö±é¼Ô: Dr. Hans Diebner »á¡Ê¥«¡¼¥ë¥¹¥ë¡¼¥¨·Ý½Ñ¹©²Ê¸¦µæ½ê) - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ Æü»þ: 9·î22Æü (¶â) 15:00- ¾ì½ê: 4-409 (ËÌÂçÍý³ØÉô 4 ¹æ´Û 4 ³¬) ±éÂê: Neurodynamics: some mathematical frameworks ¹Ö±é¼Ô: Prof. Peter Erdi (Dept. Biophyiscis, KFKI Res. Inst. for Particle and Nuclear Physics of the Hungarian Academy of Sciences, Budapest, Hungary) Short Abstract: The theory of dynamical system offers conceptual and mathematical tools for describing the performance of neural systems at very different levels. The scope and limits of several strategies are discussed. 0. Modeling Strategies 1. Hierarchy of dynamics 2. Single-cell models: the compartmental technique 3. Networks and dynamics 4. Computation with attractors 5. Statistical neurodynamics - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp


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Ê£»¨·Ï¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻¡£ °Ê²¼¤Î¸¦µæ²ñ¤¬³«ºÅ¤µ¤ì¤Þ¤¹¡£ - Ê£»¨·Ï¥»¥ß¥Ê¡¼Ï¢ÍíÀè 060-0810 »¥ËÚ»ÔË̶èËÌ10¾òÀ¾8ÃúÌÜ ËÌÂçÍý³ØÉô¿ô³Ø¶µ¼¼ ¹ÔÌÚ¹§É× TEL 011-706-3568 / FAX 011-727-3705 / E-mail nami::math.sci.hokudai.ac.jp - **************** Utsurohi-yukumono ****************** Date: Jan.25 - Jan.26, 1999 Place: Shinkin-Kempo Kaikan North 9 West 3, Kita-ku, Sapporo (Located to the north of Sapporo station) TEL: 011-737-6741 Organizers: Ichiro Tsuda (Hokkaido Univ.) Yasumasa Nishiura (Hokkaido Univ.) ################# Jan.25 ################## 10:00 - 11:00 Shui-Nee Chow (Univ. of Singapore) Title to be announced. 11:15 - 12:15 Some Comments on Chaotic Itinerancy, Ichiro Tsuda (Hokkaido Univ.) Lunch 14:00 - 15:00 Beyond attractors, Kunihiko Kaneko (Univ. of Tokyo) 15:15 - 16:15 Chaotic Itinerancy of Globally Coupled Map, Motomasa Komuro (Teikyo Univ.) Break 16:45 - 17:45 Self-replication and self-destruction in dissipative systems, Yasumasa Nishiura (Hokkaido Univ.) 18:30 - WELCOME PARTY ################# Jan.26 ####################### 10:00 - 11:00 Universal algebraic relaxation of pulled fronts propagating into unstable states, Wim van Saarloos (Leiden University) 11:15 - 12:15 Turing instabilities, and their interaction with large fronts, Bjorn Sandstede (Univ. of Ohio) Lunch 14:00 - 15:00 Network of heteroclinic orbits in game-dynamics equation systems, Tsuyoshi Chawanya (Osaka Univ.) 15:15 - 16:15 Sierpinski Gasket in a Reaction-Diffusion System, Yumino Hayase (Ocyanomizu Univ.) Break 16:45 - 17:45 A 2D flapping-flight model and the breakdown of dynamical symmetry, Makoto Iima (Univ. of Hokkaido) ************************************************************************* For correspondence and information, Yasumasa Nishiura E-mail: nishiura::aurora.es.hokudai.ac.jp (except 12/14-12/22, 1998) TEL: 011-706-3357 FAX: 011-706-4966 !!!During 12/14 - 12/17, 1998 !!!, please contact with Ichiro Tsuda E-mail: tsuda::math.sci.hokudai.ac.jp TEL: 011-706-3824 FAX: 011-706-3824
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