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Paper Abstract and Keywords
Presentation 2026-01-28 15:25
Deep Reinforcement Learning with Zeroth-Order Optimization for Traveling Salesman Problem
Takumi Nakamura, Yukari Yamauchi (Nihon Univ.) NLP2025-93 MBE2025-33 NC2025-55
Abstract (in Japanese) (See Japanese page) 
(in English) Kool et al. proposed a method using an attention model to solve routing problems such as the traveling salesman problem (TSP). This model is trained using the REINFORCE algorithm, which uses the reward of a deterministic greedy policy as a baseline. In this study, we propose a method that compares the results of zeroth-order optimization and REINFORCE for the TSP problem and adopts the better result, with the aim of avoiding stagnation at a local optimum.
Keyword (in Japanese) (See Japanese page) 
(in English) Zeroth-Order Optimization / Combinatorial Optimization / Deep Reinforcement Learning / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 346, NC2025-55, pp. 46-49, Jan. 2026.
Paper # NC2025-55 
Date of Issue 2026-01-21 (NLP, MBE, NC) 
ISSN 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 NLP2025-93 MBE2025-33 NC2025-55

Conference Information
Committee NC MBE NLP IEE-MBE  
Conference Date 2026-01-28 - 2026-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology, Wakamatsu Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NC, NLP, ME, etc. 
Paper Information
Registration To NC 
Conference Code 2026-01-NC-MBE-NLP-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Deep Reinforcement Learning with Zeroth-Order Optimization for Traveling Salesman Problem 
Sub Title (in English)  
Keyword(1) Zeroth-Order Optimization  
Keyword(2) Combinatorial Optimization  
Keyword(3) Deep Reinforcement Learning  
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1st Author's Name Takumi Nakamura  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Yukari Yamauchi  
2nd Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2026-01-28 15:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NLP2025-93, MBE2025-33, NC2025-55 
Volume (vol) vol.125 
Number (no) no.344(NLP), no.345(MBE), no.346(NC) 
Page pp.46-49 
#Pages 4 
Date of Issue 2026-01-21 (NLP, MBE, NC) 

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