[Date]:2026/07/09～2026/07/09

Deepening and new frontiers in card-based cryptography through industry-academia collaboration and cooperation in the fields of mathematics and cryptography III｜2026a012

Overview

• How to hold: Hybrid(In-person/by Zoom)
• Venue:  IMI conference room (W1-D-414), West Zone 1, Ito campus, Kyushu University
• Main language: Japanese
• Type/Category: Grant for General Research-Short-term Joint Research
• Title of Research Project:Deepening and new frontiers in card-based cryptography through industry-academia collaboration and cooperation in the fields of mathematics and cryptography III
• Principal Investigator: Takaaki Mizuki（Cyberscience Center, Tohoku University・Professor）
• Research Period: July 6, 2026. – July 10, 2026．
• Open to the Public: July 9, 2026．
• Details of the Research Plan: https://joint2.imi.kyushu-u.ac.jp/en_research_chooses/view/2026a012

Program

July 6, 2026.【Closed】

July 7, 2026.【Closed】

July 8, 2026.【Closed】

July 9, 2026.【Open】

10:00-10:10

Takaaki Mizuki（Tohoku University）

Opening

10:10-10:40

Reo Eriguchi (National Institute of Advanced Industrial Science and Technology)

Single-Shuffle Full-Open Card-Based Secure Computation Protocols for Any Function

10:40-11:10

Atsushi Iwasaki (Saga University)

Proof of impossibility for finite-runtime AND protocols on three up-down cards without interlocking operations

11:10-11:40

Shizuru Iino (The University of Electro-Communications)

Proof of impossibility for threshold-function protocols on n up-down cards with interlocking operations

13:10-13:40

Yuji Suga (Internet Initiative Japan Inc)

Reframing the Six-Card Trick: A Reasoning Path to the 10-Card Trick

13:40-14:10

Koji Nuida (Kyushu University)

Card-Based Protocol Counting Connected Components of Graphs

14:10-14:40

Ren Igari (Chiba Institute of Technology)

Proof of impossibility for finite-runtime AND protocols on three up-down cards without interlocking operations

15:00-15:30

Daiki Miyahara (The University of Electro-Communications)

Card-Based Protocol for Topologies on Grid Graphs

15:30-16:00

Kazumasa Shinagawa (University of Tsukuba)

Simulating Virtual Players for UNO without Computers

16:00-16:30

Shota Ikeda (Ibaraki University)

How to Play Mastermind without Game Master

16:30-16:40

Takaaki Mizuki（Tohoku University）

Closing

July 10, 2026.【Closed】

Registration

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Participants via Zoom (online)

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Joint Research Center for Advanced and Fundamental Mathematics-for-Industry, Institute of Mathematics for Industry, Kyushu University
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