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IEICE Trans

Takayuki OKU

Computational Complexity and Integer Programming Formulation of the Oredango Puzzle
Takuma TAKAHATA Norito MINAMIKAWA Takayuki OKUNO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2026/03/01
Vol. E109-D  No. 3  pp. 391-398
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science —Foundations and New Trends of Computation Theory—)
Category: 
Keyword: 
pencil-and-paper puzzle, computational complexity, ASP-completeness, integer programming, Oredango, 
 Summary | Full Text:PDF
Development of a Superconducting Analog-to-Digital Converter as a Readout for High-Resolution X-Ray Detectors Based on a Superconducting Tunnel Junction
Takayuki OKU Tokihiro IKEDA Chiko OTANI Kazuhiko KAWAI Hiromi SATO Hirohiko M. SHIMIZU Hiromasa MIYASAKA Yoshiyuki TAKIZAWA Hiroshi WATANABE Wataru OOTANI Hiroshi AKOH Hiroshi NAKAGAWA Masahiro AOYAGI Tohru TAINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 645-649
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Digital Devices and Their Applications
Keyword: 
superconducting analog-to-digital converter, X-ray detector, readout, SQUID, SFQ, 
 Summary | Full Text:PDF
Development of Superconducting Tunnel Junctions for the Detection of X-Rays and Heavy Ions
Hirohiko M. SHIMIZU Tokihiro IKEDA Hiroshi KATO Kazuhiko KAWAI Hiromasa MIYASAKA Takayuki OKU Wataru OOTANI Chiko OTANI Hiromi SATO Yoshiyuki TAKIZAWA Hiroshi WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/01/01
Vol. E84-C  No. 1  pp. 35-42
Type of Manuscript:  INVITED PAPER (Special Issue on Superconductive Electronics)
Category: Detectors
Keyword: 
superconducting tunnel junction, radiation detector, 
 Summary | Full Text:PDF