Presentation 2019-09-06
A Study on Modeling Branching Random Walk on Random Regular Graph
Takuro Mayaguchi, Ryota Sakaguchi, Hiroyuki Ohsaki,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Several popular problems in information networking and social networking such as search, distribution, and dis- semination can be modeled by random walk of single or multiple agents on a graph. As an approach to remedy the redundancy in multiple random walks, Branching Random Walk (BRW) has been proposed, in which the number of agents of random walks is dynamically changed by the branching-and-aggregation mechanism. An agent starting its walk from an originating node randomly selects b nodes among its neighbor nodes, and it activates those neighbor nodes (branching). If multiple agents simultaneous visit the same node, those agents are unified into a single agent (aggregation). BRW is a relatively new mobility model on a graph. Hence, to the best of our knowledge, understanding of its mathematical properties is quite limited. In this paper, we describe the dynamics of BRW on a random regular graph, and clarify the relation between the branching parameter b and the mean and the distribution of hitting times and the mean cover time.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Branching Random Walk / Mobility Model on Graph / Dynamical Process / Hitting Time / Cover Time
Paper # IA2019-17
Date of Issue 2019-08-29 (IA)

Conference Information
Committee IA
Conference Date 2019/9/5(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Hokkaido Univ. Humanities and Social Sciences Classroom Bldg, W102
Topics (in Japanese) (See Japanese page)
Topics (in English) Internet Operation and Management, etc.
Chair Hiroyuki Osaki(Kwansei Gakuin Univ.)
Vice Chair Rei Atarashi(IIJ) / Toru Kondo(Hiroshima Univ.) / Hiroshi Yamamoto(Ritsumeikan Univ.)
Secretary Rei Atarashi(Kwansei Gakuin Univ.) / Toru Kondo(KDDI Research) / Hiroshi Yamamoto(NEC)
Assistant Kenji Ohira(Osaka Univ.) / Daiki Nobayashi(Kyushu Inst. of Tech.) / Ryohei Banno(Tokyo Inst. of Tech.)

Paper Information
Registration To Technical Committee on Internet Architecture
Language ENG-JTITLE
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Modeling Branching Random Walk on Random Regular Graph
Sub Title (in English)
Keyword(1) Branching Random Walk
Keyword(2) Mobility Model on Graph
Keyword(3) Dynamical Process
Keyword(4) Hitting Time
Keyword(5) Cover Time
1st Author's Name Takuro Mayaguchi
1st Author's Affiliation Kwansei Gakuin University(Kwansei Gakuin Univ.)
2nd Author's Name Ryota Sakaguchi
2nd Author's Affiliation Kwansei Gakuin University(Kwansei Gakuin Univ.)
3rd Author's Name Hiroyuki Ohsaki
3rd Author's Affiliation Kwansei Gakuin University(Kwansei Gakuin Univ.)
Date 2019-09-06
Paper # IA2019-17
Volume (vol) vol.119
Number (no) IA-197
Page pp.pp.33-37(IA),
#Pages 5
Date of Issue 2019-08-29 (IA)