Search results
- 1.0481275 - ÚI 2018 CZ eng V - Research Report
Porubský, Štefan
Application and Misapplication of the Czechoslovak STP Cipher During WWII - Report on an Unpublished Manuscript.
Prague: ICS CAS, 2017. 42 s. Technical Report, V-1251.
Institutional support: RVO:67985807
Keywords : STP cipher * Josef Růžek * Karol Cigáň * František Moravec * Czechoslovak military cryptography * Word War II
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0276868File Download Size Commentary Version Access v1251-17.pdf 1 521.7 KB Other require - 2.0477051 - ÚI 2018 CZ eng V - Research Report
Porubský, Štefan
Idempotents, Group Membership and their Applications.
Prague: ICS CAS, 2017. 113 s. Technical Report, V-1248.
R&D Projects: GA ČR GA17-02804S
Institutional support: RVO:67985807
Keywords : multiplicative semigroup * finite semigroups * power semigroups * idempotent elements * finite commutative rings * principal ideal domain * Euler-Fermat theorem * Wilson theorem * matrices over fields * maximal groups contained in a semigroup * periodic sequence * multiplicative semigroup of Zm * semigroup of circulant Boolean matrices
Permanent Link: http://hdl.handle.net/11104/0273447File Download Size Commentary Version Access v1248-17.pdf 0 1.5 MB Other require - 3.0477050 - ÚI 2018 CZ eng V - Research Report
Porubský, Štefan
Semigroup Structure of Sets of Solutions to Equation X^s = X^m.
Prague: ICS CAS, 2017. 14 s. Technical Report, V-1247.
R&D Projects: GA ČR GA17-02804S
Institutional support: RVO:67985807
Keywords : set of solutions * idempotent * maximal semigroup corresponding to an idempotent * maximal group corresponding to an idempotent * equation X^s = X^m * finite commutative ring with identity element * residually finite commutative principal ideal domains
Permanent Link: http://hdl.handle.net/11104/0273446File Download Size Commentary Version Access v1247-17.pdf 0 197.6 KB Other require