1.

Record Nr.

UNINA9910480248303321

Titolo

Algorithmic problems of group theory, their complexity, and applications to cryptography / / Delaram Kahrobaei, Vladimir Shpilrain, editors

Pubbl/distr/stampa

Providence, Rhode Island : , : American Mathematical Society, , 2015

©2015

ISBN

1-4704-2263-8

Descrizione fisica

1 online resource (123 p.)

Collana

Contemporary Mathematics, , 1098-3627 ; ; 633

Disciplina

652/.8015122

Soggetti

Group theory

Noncommutative algebras

Algorithms

Data encryption (Computer science)

Cryptography

Algebra

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

"AMS Special Session on Algorithmic Problems of Group Theory and Applications to Information Security, April 6-7, 2013, Boston College, Chestnut Hill, MA."--Cover.

"AMS Special Session on Algorithmic Problems of Group Theory and Their Complexity, January 9-10, 2013, San Diego, CA."--Cover.

Nota di bibliografia

Includes bibliographical references at the end of each chapters.

Nota di contenuto

""Cover""; ""Title page""; ""Contents""; ""Preface""; ""Secret sharing using non-commutative groups and the shortlex order""; ""1. Introduction""; ""2. Formal Definition""; ""3. Shamir�s Secret Sharing Scheme""; ""4. Secret Sharing Using Non-commutative Groups""; ""5. Updating Relators""; ""6. Conclusion""; ""References""; ""An algorithm that decides conjugacy in a certain generalized free product""; ""1. Introduction""; ""2. Preliminaries""; ""3. The Algorithm""; ""References""; ""Classification of automorphic conjugacy classes in the free group on two generators""; ""1. Introduction""

""2. The graph Î?(  )""""3. Non-root classes""; ""4. Root classes""; ""5. Enumeration""; ""Appendix A. Table of automorphic conjugacy



classes""; ""Appendix B. Number of automorphic conjugacy classes of each type""; ""Appendix C. Number of paths of each size""; ""Acknowledgement""; ""References""; ""On elementary free groups""; ""1. Introduction""; ""2. The Tarski Problems and Elementary Free Groups""; ""3. Surface Groups and Magnus� Theorem""; ""4. Cyclic Centralizers and Commuting Elements""; ""5. Hyperbolicity and Stable Hyperbolicity""; ""6. The Retract Theorem and Turner Groups""

""7. Conjugacy Separability of Elementary Free Groups""""8. Tame Automorphisms of Elementary Free Groups""; ""9. Faithful Representations in       (2,\C)""; ""References""; ""An application of a localized version of an axiom of Ian Chiswell""; ""1. Introduction""; ""2. Questions""; ""References""; ""A note on Stallingsâ€? pregroups""; ""1. Introduction""; ""2. Adds, Prees and Pregroups""; ""3. Kushnerâ€?s Generalization of a Pregroup. T2-prees""; ""4. Axiom [GLS2]""; ""5. Generalizations""; ""References""; ""A CCA secure cryptosystem using matrices over group rings""

""1. Cramer-Shoup cryptosystem""""2. A CCA-2 secure cryptosystem using matrices over group rings""; ""3. Adaptive CCA security for matrices over group rings""; ""References""; ""The MOR cryptosystem and finite   -groups""; ""1. Introduction""; ""2. Definitions and notations""; ""3. The MOR cryptosystem""; ""4. MOR cryptosystems on finite   -groups using   ′-automorphisms""; ""5. The MOR cryptosystem and elementary abelian   -group""; ""6. The extra-special   -groups and its automorphism group""; ""7. MOR cryptosystems on finite   -groups using   -automorphisms""; ""8. Conclusion""

""4. Open problems""



2.

Record Nr.

UNINA9910707306303321

Autore

McKee Edwin H.

Titolo

Stratigraphy and potassium-argon ages of some Tertiary tuffs from Lander and Churchill Counties, central Nevada / / by Edwin H. McKee and John H. Stewart

Pubbl/distr/stampa

[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1971

Washington : , : United States Government Printing Office

Descrizione fisica

1 online resource (iv, 28 pages, 2 pages of plates) : illustrations, maps

Collana

Geological Survey bulletin ; ; 1311-B

Contributions to general geology

Soggetti

Geology, Stratigraphic - Tertiary

Potassium-argon dating

Volcanic ash, tuff, etc - Nevada - Lander County

Geology - Nevada - Churchill County

Geology - Nevada - Lander County

Geology

Geology, Stratigraphic

Tertiary Geologic Period

Volcanic ash, tuff, etc

Nevada Churchill County

Nevada Lander County

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from title screen (viewed September 15, 2014).

"Prepared in cooperation with the Nevada Bureau of Mines."

Nota di bibliografia

Includes bibliographical references (page 28).