Presentations -
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Homomorphic encryptions and cryptographic protocols
Akihiro Yamamura
Equations in Groups and Applications of Algebraic Methods in Computer Science and Cryptology (Piestany, Slovak Republic) 2005.07 - 2005.07
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Geometrical methods of Schutzenberger automata for embedding theorems of inverse semigroups
Akihiro Yamamura
Workshop on Fomal Languages and Automata (京都) 2005.07 - 2005.07 京都産業大学
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Embedding theorems for HNN extensions of inverse semigroups
Akihiro Yamamura
International Conference on Semigroups and Language (Lisbon, Portugal) 2005.07 - 2005.07
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Oblivious transfer and private information retrieval based on the p-subgroup assumption
A.Yamamura, T,Jajcayova, T.Kurokawa
SOFSEM 2005 (Liptovsky Jan, Slovak Republic) 2005.01 - 2005.01 Slovak Society for Computer Science
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A class of inverse monoids acting on ordered forests
Akihiro Yamamura
68th Workshop on General Algebra (Dresden, Germany) 2004.06 - 2004.06
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Groups presented via partial automorphisms
Akihiro Yamamura
AMS International meeting (Pisa, Italy) 2002.06 - 2002.06 American Mathematical Society
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Groups presented via partial automorphisms
Akihiro Yamamura
Crema meeting (Crema, Italy) 2002.06 - 2002.06
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Generic algorithms and key agreement protocols based on group actions
Akihiro Yamamura
The twelfth international conference on algorithms and computations (Christ Church, New Zealand) 2001.12 - 2001.12
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Embedding problems for groups presented via partial automorphisms
Akihiro Yamamura
Algebra Conference (Sumy, Ukraine) 2001.07 - 2001.07
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Embedding problems for groups presented via partial automorphisms
Akihiro Yamamura
Finitely presented groups: algorithms and open problems (Trento, Italy) 2001.07 - 2001.07
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Private information retrieval based on the subgroup membership problem
A. Yamamura and T. Saito
Information Security and Privacy (Sydney, Australia) 2001.07 - 2001.07
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Error detection and authentication in quantum key distribution
A. Yamamura and H. Ishizuka
Information Security and Privacy (Sydney, Australia) 2001.07 - 2001.07
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Embedding problems for groups presented via partial automorphisms
Akihiro Yamamura
Semigroups, algorithms, automata and languages (Coimbra, Portugal) 2001.07 - 2001.07
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Van Kampen diagram and E-unitary coextensions
Akihiro Yamamura
61st Workshop on General Algebra (Darmstadt, Germany) 2001.02 - 2001.02
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A class of inverse monoids acting on ordered forests
Akihiro Yamamura
International Colloquium on Semigroup Theory (Szeged, Hungary) 2000.07 - 2000.07
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Semigrooup actions and Cryptography
Akihiro Yamamura
Seminar (Brno, Czec Republic) 2000.07 - 2000.07 Brno University
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Semigrooup actions and Cryptography
Akihiro Yamamura
Seminar (Bratislava, Slovakia) 2000.07 - 2000.07 Comenius University
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Embedding theorems for groups
Akihiro Yamamura
International Conference on Geometric Methods in Group Theory and Semigroup Theory (Lincoln, U.S.A.) 2000.05 - 2000.05
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Key agreement protocol over a commutative group
Akihiro Yamamura
ICWAC 2000 (京都) 2000.03 - 2000.03 京都産業大学
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A functional cryptosystem using a group action
Akihiro Yamamura
Information Security and Privacy (Wollongong, Australia) 1999.04 - 1999.04