Presentations -
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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
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Amalgams, SL(2, Z) and Cryptography
Akihiro Yamamura
International Conference on Algorithmic Problems in Groups and Semigroups, (Lincoln, U.S.A.) 1998.05 - 1998.05
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Public-key cryptosystems using the modular group
Akihiro Yamamura
International Workshop on Practice and Theory in Public Key Cryptography (横浜) 1998.02 - 1998.02
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HNN extensions of semilattices
Akihiro Yamamura
AMS section meeting (Milwaukee, U.S.A.) 1997.10 - 1997.10 American Mathematical Society
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HNN extensions of semilattices and the Nielsen-Schreier theorem
Akihiro Yamamura
International Congress in Algebras and Combinatorics (Hong Kong) 1997.08 - 1997.08
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Universal unitary covers of inverse semigroups
Akihiro Yamamura
Semigroups and Applications (St.Andrews, U.K.) 1997.07 - 1997.07
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Graphs of inverse monoids
Akihiro Yamamura
International Conference on Algebraic Engineering and Semigroups (会津) 1997.03 - 1997.03
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HNN extensions of inverse semigroups and applications
Akihiro Yamamura
International Conference on Modern Algebra and its Applications (Nashville, U.S.A.) 1996.05 - 1996.05
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HNN extensions of inverse semigroups
Akihiro Yamamura
AMS national meeting (Orlando, U.S.A.) 1996.01 - 1996.01 American Mathematical Society