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- 1.0524465 - ÚI 2021 RIV SE eng C - Conference Paper (international conference)
Porubský, Štefan
A Hungarian Cryptological Manual in Berlin.
Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020. Linköping: Linköping University Electronic Press, Linköpings universitet, 2020, s. 116-125. Linköping Electronic Conference Proceedings. ISBN 978-91-7929-827-2. ISSN 1650-3686.
[HistoCrypt 2020: the International Conference on Historical Cryptology /3./. Budapest (HU), 15.06.2020-17.06.2020]
Institutional support: RVO:67985807
Keywords : cryptology manual * classical (symmetric) ciphers * Hungarian black chamber * Istvan Petrikovits * Hermann Pokorny
OECD category: Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)
https://www.ep.liu.se/ecp/article.asp?issue=171&article=015&volume=
Permanent Link: http://hdl.handle.net/11104/0308824File Download Size Commentary Version Access 0524465-aw.pdf 1 1 MB volně online Publisher’s postprint open-access - 2.0474726 - ÚI 2018 RIV SK eng C - Conference Paper (international conference)
Porubský, Štefan
STP Cipher of the Czechoslovak In-Exile Ministry of Defence in London during WWII.
Proceedings of the 3rd European Historical Ciphers Colloquium Euro HCC 2017. Bratislava: Slovak University of Technology, 2017 - (Gathen, J.; Grošek, O.; Nemoga, K.; Wacker, A.), s. 47-66. ISBN 978-80-227-4687-8.
[European Historical Ciphers Colloquium /3./. Smolenice (SK), 18.05.2017-19.05.2017]
Institutional support: RVO:67985807
Keywords : STP cipher * Josef Růžek * Karol Cigáň * František Moravec * Czechoslovak military cryptography * World War II
OECD category: Pure mathematics
Permanent Link: http://hdl.handle.net/11104/0271704File Download Size Commentary Version Access a0474726.pdf 5 21.5 MB Publisher’s postprint require - 3.0469368 - ÚI 2017 RIV CH eng C - Conference Paper (international conference)
Porubský, Štefan
Idempotents and Congruence ax = b (mod n).
From Arithmetic to Zeta-Functions. Number Theory in Memory of Wolfgang Schwarz. Cham: Springer, 2016 - (Sander, J.; Steuding, J.; Steuding, R.), s. 385-403. ISBN 978-3-319-28202-2.
[ELAZ 2014. International Conference on Elementary and Analytic Number Theory /7./. Hildesheim (DE), 28.07.2014-01.08.2014]
R&D Projects: GA ČR(CZ) GAP201/12/2351
Institutional support: RVO:67985807
Keywords : coprime * idempotent * maximal group * maximal semigroup * solution to a congruence
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0267170File Download Size Commentary Version Access a0469368.pdf 2 473.8 KB Publisher’s postprint require - 4.0404999 - UIVT-O 330099 CZ cze C - Conference Paper (international conference)
Porubský, Štefan
Fermat a teorie čísel aneb Problematika dělitelů a dokonalá čísla.
Matematik Pierre de Fermat. Praha: CeFReS, 2002 - (Šolcová, A.; Křížek, M.; Mink, G.), s. 49-86. Cahiers du CeFRes, 28. ISBN 80-86311-12-0.
[Jeden den s Pierrem de Fermatem - seminář. Praha (CZ), 08.10.2001]
R&D Projects: GA ČR GA201/01/0471
Permanent Link: http://hdl.handle.net/11104/0125219 - 5.0404982 - UIVT-O 330082 DE eng C - Conference Paper (international conference)
Porubský, Štefan
Topologies Induced by Systems of Divisors.
Algebraic Number Theory and Diophantine Analysis. Berlin: De Gruyter, 2000 - (Halter-Koch, F.; Tichy, R.), s. 391-404. ISBN 3-11-016304-7.
[International Conference. Graz (AT), 30.08.1998-05.09.1998]
Permanent Link: http://hdl.handle.net/11104/0125202 - 6.0404978 - UIVT-O 330078 HU eng C - Conference Paper (international conference)
Porubský, Štefan
Notes on Density and Multiplicative Structure of Sets of Generalized Integers.
Topics in Classical Number Theory II. Budapest, 1984, s. 1295-1315. Colloquia Mathematica Societatis János Bolyai, 34.
[Colloquium on Number Theory. Budapest (HU), 20.07.1981-25.07.1981]
Permanent Link: http://hdl.handle.net/11104/0125198 - 7.0404899 - UIVT-O 220796 DE eng C - Conference Paper (international conference)
Porubský, Štefan - Schönheim, J.
Covering Systems of Paul Erdös Past, Present and Future.
Paul Erdös and His Mathematics. Berlin: SpringerVerlag, 2002 - (Halász, G.; Lovász, L.; Simonovits, M.; Sós, V.), s. 581-628. Bolyai Society mathematical studies, 11. ISBN 3-540-42236-6.
[Paul Erdös and His Mathematics. Budapest (HU), 04.07.1999-11.07.1999]
R&D Projects: GA ČR GA201/01/1471
Permanent Link: http://hdl.handle.net/11104/0125123 - 8.0404896 - UIVT-O 220793 SK slo C - Conference Paper (international conference)
Porubský, Štefan
Meditácie o počítačovo podporovanom prednášaní matematiky.
Zborník konferencie o vyučování matematiky na VŠ. Bratislava: Slovenská technická univerzita, 1999 - (Kolesárová, A.; Kováčová, M.), s. 111-116
[Mathematica'99 (SK), 29.06.1999-02.07.1999]
Permanent Link: http://hdl.handle.net/11104/0125120 - 9.0359184 - ÚI 2012 RIV DE ger C - Conference Paper (international conference)
Porubský, Štefan
Jakob Phillip Kulik - eine Mathematiker-laufbahn durch die Kronländer.
[Jakob Phillip Kulik - a mathematician career across the crown lands.]
Eintauchen in die mathematische Vergangenheit. Tagung zur Geschichte der Mathematik in Pfalzgrafenweiler im Schwarzwald. Augsburg: Dr. Erwin Rauner Verlag, 2011 - (Hykšová, M.; Reich, U.), s. 154-167. ALGORISMUS. Studien zur Geschichte der Mathematik und der Naturwissenschaften, 76. ISBN 978-3-936905-44-1. ISSN 1863-4982.
[Tagung zur Geschichte der Mathematik. Pfalzgrafenweiler im Schwarzwald (DE), 20.05.2009-24.05.2009]
R&D Projects: GA AV ČR 1ET200300529
Institutional research plan: CEZ:AV0Z10300504
Keywords : Jakob Philipp Kulik * university system in Cisleithania (Austrian Empire) * mathematics at university of Lvov (Lemberg) * mathematics at university of Olomouc (Olmütz) * physics and astronomy at university of Graz and Joanneum * mathematics at university of Praha (Prague)
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0197020 - 10.0336026 - ÚI 2010 RIV CZ slo C - Conference Paper (international conference)
Porubský, Štefan
Ako rýchle vieme a môžeme násobiť.
[Jak rychle umíme a můžeme násobit.]
Historie matematiky. Praha: Matfyzpress, 2009 - (Bečvář, J.; Bečvářová, M.), s. 173-179. ISBN 978-80-7378-092-0.
[Historie matematiky. Mezinárodní konference /30./. Jevíčko (CZ), 21.08.2009-25.08.2009]
Institutional research plan: CEZ:AV0Z10300504
Keywords : multiplication * Egyptian multiplication * Hindu-Arab multiplication * complementary multiplication * tables of quater-squares * Czech (modular) multiplication * Karatsuba multiplication
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0180355File Download Size Commentary Version Access 0336026.pdf 0 606 KB Author´s preprint open-access