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| Presentation | 2012-07-30 14:10 Analysis of Auto-Associative Memory Model in an XY Spin System -- Case of storing with correlated finite number memory patterns -- Tomoyuki Kimoto (Oita National Coll. of Tech.), Tatsuya Uezu (Nara Women's Univ.), Masato Okada (Univ. of Tokyo/RIKEN)  NC2012-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we analyze the structure of attractors in associative memory model of XY-spin system. We also study the change of the structure of attractors when the correlation between the memory patterns is changed. Since we focus to the structure of attractors, the number of memory patterns is limited to finite number($p=3$). As the result, it has been understood that each memory pattern is acquired as not a point attractor but a continuous (line) attractor for which the free energy on the route from a certain memory pattern to another memory pattern is a shape of valley. It is thought that such the continuous attractor is important findings to determine the brain mechanisms because a lot of firing patterns like the continuous attractor are found in the brain. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | XY-spin / Hopfield-model / continuous(line) attractor / retrieval dynamic / statistical mechanics / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 168, NC2012-19, pp. 31-36, July 2012. | |
| Paper # | NC2012-19 | |
| Date of Issue | 2012-07-23 (NC) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | NC2012-19 |
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| Conference Information | |
| Committee | NC |
| Conference Date | 2012-07-30 - 2012-07-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ritsumeikan Univ. College of Information Science and Engineering |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2012-07-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of Auto-Associative Memory Model in an XY Spin System |
| Sub Title (in English) | Case of storing with correlated finite number memory patterns |
| Keyword(1) | XY-spin |
| Keyword(2) | Hopfield-model |
| Keyword(3) | continuous(line) attractor |
| Keyword(4) | retrieval dynamic |
| Keyword(5) | statistical mechanics |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomoyuki Kimoto |
| 1st Author's Affiliation | Oita National College of Technology (Oita National Coll. of Tech.) |
| 2nd Author's Name | Tatsuya Uezu |
| 2nd Author's Affiliation | Nara Women's University (Nara Women's Univ.) |
| 3rd Author's Name | Masato Okada |
| 3rd Author's Affiliation | University of Tokyo/RIKEN (Univ. of Tokyo/RIKEN) |
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| Speaker | Author-1 |
| Date Time | 2012-07-30 14:10:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2012-19 |
| Volume (vol) | vol.112 |
| Number (no) | no.168 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2012-07-23 (NC) |
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