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Paper Abstract and Keywords
Presentation 2022-01-27 16:55
An experimental study to clarify the characteristics of multiple random walks with different transition probabilities
Nanami Tsuji, Fumiya Toyoda, Yusuke Sakumoto, Hiroyuki Ohsaki (Kwansei Gakuin Univ.) CQ2021-85
Abstract (in Japanese) (See Japanese page) 
(in English) Random walks on graphs have been used in various graph algorithms. The first meeting time is defined by the time it takes for multiple agents starting random walks from different nodes on a graph to first meet at the same node, and is closely related to the rendezvous problem, which is an essential graph problem in computer science. In the previous work, we analyzed random walk agents following different transition probabilities, and derived the spectral formula for the expected value of their first meeting time. In this paper, through experiments, we confirm the validity of the analysis of the previous work, and predict the characteristics of the first meeting time from the derived spectral formula for the expected value of the first meeting time. Then, we confirm the validity of the predicted characteristics through the experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Spectral Graph Theory / Rendezvous Search / Random Walk / First Meeting Time / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 357, CQ2021-85, pp. 50-55, Jan. 2022.
Paper # CQ2021-85 
Date of Issue 2022-01-20 (CQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 CQ2021-85

Conference Information
Committee CQ CBE  
Conference Date 2022-01-27 - 2022-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa(Ishikawa Pref.) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AR/VR, Broadcasting Service, Video/Voice Services Quality, High Realistic, User Behavior/Psychology, User Experience, Media Quality, Network Quality and QoS Control, Networks and Communications at Disaster, User Behavior, Machine Learning, Video Communication, etc. 
Paper Information
Registration To CQ 
Conference Code 2022-01-CQ-CBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An experimental study to clarify the characteristics of multiple random walks with different transition probabilities 
Sub Title (in English)  
Keyword(1) Spectral Graph Theory  
Keyword(2) Rendezvous Search  
Keyword(3) Random Walk  
Keyword(4) First Meeting Time  
1st Author's Name Nanami Tsuji  
1st Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
2nd Author's Name Fumiya Toyoda  
2nd Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
3rd Author's Name Yusuke Sakumoto  
3rd Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
4th Author's Name Hiroyuki Ohsaki  
4th Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
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Date Time 2022-01-27 16:55:00 
Presentation Time 25 
Registration for CQ 
Paper # IEICE-CQ2021-85 
Volume (vol) IEICE-121 
Number (no) no.357 
Page pp.50-55 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2022-01-20 

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