Arbeitsgruppe 'Diskrete Mathematik'
Prof. Dr. rer. nat. habil. Gohar Kyureghyan
Ulmenstr. 69, Haus 3, Raum 234
Tel.: +49 (381) 498-6600
E-Mail: gohar.kyureghyan(at)uni-rostock.de
Sprechzeiten
Dr. rer. nat. habil. Peter Wagner
Ulmenstr. 69, Haus 3, Raum 133
Tel.: +49 (381) 498-6601
E-Mail: peter.wagner(at)uni-rostock.de
Sprechzeiten
M.Sc. Björn Kriepke
Ulmenstr. 69, Haus 3, Raum 334
Tel.: +49 (381) 498-6582
E-Mail: bjoern.kriepke(at)uni-rostock.de
Sprechzeiten
M.Sc. Lucas Krompholz
Ulmenstr. 69, Haus 3, Raum 334
Tel.: +49 (381) 498-6582
E-Mail: lucas.krompholz(at)uni-rostock.de
Sprechzeiten
M.Sc. Max Schulz
Ulmenstr. 69, Haus 3, Raum 225
Tel.: +49 (381) 498-6603
E-Mail: max.schulz(at)uni-rostock.de
Sprechzeiten
Anna-Maurin Graner
Lukas Kölsch
Mathematical aspects of the design and security of block ciphers
Assistant Professor
(University of South Florida)
Vorträge unserer Gruppe
Rational transformations that are never irreducible
M.Sc. Max Schulz
Fr, 30.08.2024, 15:00 Uhr
HS 326/327 (Ulmenstr. 69, Haus 3), Rostock, Konferenz: ELAZ 2024 (Elementare und analytische Zahlentheorie 2024)
m-to-1 mappings on finite fields
Prof. Dr. Gohar Kyureghyan
Fr, 30.08.2024, 09:00 Uhr
HS 326/327 (Ulmenstr. 69, Haus 3), Rostock, Konferenz: ELAZ 2024 (Elementare und analytische Zahlentheorie 2024)
Algebraic Structure of the Iterates of chi
M.Sc. Björn Kriepke
Mo, 19.08.2024
Santa Barbara, USA, Konferenz: Crypto 2024
On the bijectivity of the map chi
M.Sc. Lucas Krompholz
Juli 2024
Colchester, England, Konferenz: SEquences and Their Applications (SETA) 2024
On the Recursive Behaviour of the Number of Irreducible Polynomials with Certain Properties over Finite Fields
M.Sc. Max Schulz
Juni 2024
Perugia, Italien, Konferenz: WCC 2024 (The Thirteenth International Workshop on Coding and Cryptography)
Das Haruhi-Problem: Von einem Anime zur Kombinatorik
M.Sc. Max Schulz
Sa, 15.06.2024
Rostock, Samstagsuniversität
On Graphs forced by Rainbow Stars
Dr. habil. Peter Wagner
Do, 23.05.2024, 14:30 Uhr
MR13 (Centre for Mathematical Sciences, University of Cambridge)
The factorization of X^n-a and f(X^n) over Fq
M.Sc. Anna-Maurin Graner
Mo, 25.09.2023, 16:30 Uhr
Ilmenau, Konferenz: Minisymposium 2 - Combinatorial aspects of finite fields, DMV Meeting 2023
The factorization of X^n-a and f(X^n) over Fq
M.Sc. Anna-Maurin Graner
Do, 22.06.2023, 15:30 Uhr
Paris, Frankreich, Konferenz: International Conference on Finite Fields and Their Applications 2023 (Fq15)
Special Rational Transformations and their Connection to Invariant Polynomials
M.Sc. Max Schulz
Mi, 21.06.2023, 10:10 Uhr
Paris, Frankreich, Konferenz: International Conference on Finite Fields and Their Applications 2023 (Fq15)
Finite Fields and their Applications in Cryptology
Prof. Dr. Gohar Kyureghyan
Mi, 24.05.2023, 12:30 Uhr
Yerevan Mathematical Colloquium
Mathematik der Geheimhaltung
Prof. Dr. Gohar Kyureghyan
Do, 04.05.2023, 17:45-18:30 Uhr und 20:00-20:45 Uhr
Seminarraum 110, Albert-Einstein-Str. 25
Permutations of finite fields
Prof. Dr. Gohar Kyureghyan
So, 23.04.2023, 14:00 Uhr
Konferenz: "STAP'23: Symmetric Techniques for Advanced Protocols", affiliated event to Eurocrypt 2023
Image sets and the univariate representation of APN maps
Prof. Dr. Gohar Kyureghyan
Mo, 11.07.2022, 14:25 Uhr
Zürich, Schweiz, Konferenz: Coding theory and cryptography
Constructing irreducible polynomials recursively with a reverse composition method
M.Sc. Anna-Maurin Graner
Fr, 11.03.2022, 11:25 Uhr (Online)
Rostock, Konferenz: Workshop on Coding and Cryptography 2022
New and old insights on APN maps
Prof. Dr. Gohar Kyureghyan
So, 05.12.2021, 18:30 Uhr (Online)
Kanada, Konferenz: 2021 CMS Winter Meeting
Image sets of APN maps
Prof. Dr. Gohar Kyureghyan
Mi, 26.05.2021, 18:50 Uhr (Online)
Kanada, Konferenz: CanaDAM 2021
Constructions of irreducible polynomials over finite fields
Prof. Dr. Gohar Kyureghyan
Di, 23.02.2021, 15:00 Uhr (Online)
Linz, Österreich, Konferenz: 7th International Conference on Uniform Distribution Theory
On subspaces of Kloosterman zeros and permutations of the form L_1(x^-1)+L_2(x) (Kopie 1)
M.Sc. Lukas Kölsch
Mi, 08.07.2020, 15:20 Uhr (Online)
Rennes, Frankreich, Konferenz: International Workshop on the Arithmetic of Finite Fields (WAIFI) 2020
On the Cycle Structure of Permutation Polynomials of Shape x^t+gamma*Tr_{q^n/q}(x^k)
Daniel Gerike
Mi, 20.11.2019, 15:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Cryptological properties of mappings of finite fields
Prof. Dr. Gohar Kyureghyan
Sa, 13.07.2019
Bern, Schweiz, Konferenz: SIAM Conference on Applied Algebraic Geometry
How do binary operations interact with the subfield structure of a finite field?
M.Sc. Lukas Kölsch
Do, 06.06.2019
Vancouver, Kanada, Konferenz: International Conference on Finite Fields and their Applications (Fq14)
XOR-counts and Lightweight Multiplication with Fixed Elements in Binary Finite Fields
M.Sc. Lukas Kölsch
Mo, 20.05.2019
Darmstadt, Konferenz: Eurocrypt 2019
Irreducible compositions of polynomials
Prof. Dr. Gohar Kyureghyan
Do, 04.04.2019
Saint-Jacut de la Mer, Frankreich, Konferenz: Workshop on Coding and Cryptography 2019
Permutations on finite fields with invariant cycle structure on lines
Daniel Gerike
Mi, 28.11.2018
Optimal implementations of matrix multiplication in finite fields
M.Sc. Lukas Kölsch
Fr, 23.11.2018
Paderborn, Konferenz: Kolloquium über Kombinatorik 2018
Results on permutation polynomials of shape x^t+gamma Tr_{q^n/q}(x^d)
Prof. Dr. Gohar Kyureghyan
Di, 16.10. 2018
Linz, Konferenz: Workshop on Pseudo-Randomness and Finite fields
Mathematik der Geheimhaltung
Prof. Dr. Gohar Kyureghyan
Sa, 09.06.2018, 15:00 Uhr
Arno-Esch-Hörsaal 1 (Ulmenstr. 69, Arno-Esch-Hörsaalgebäude)
Complete Graphs with No Rainbow Tree
Dr. habil. Peter Wagner
Do, 24.05.2018, 14:30 Uhr
MR13 (Centre for Mathematical Sciences, University of Cambridge)
Effiziente Multiplikation in binären endlichen Körpern
M.Sc. Lukas Kölsch
Mi, 02.05.2018, 15:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Reines Chaos gibt es nicht
Dr. habil. Peter Wagner
Do, 26.04.2018, 19:00-19:30 Uhr und 20:30-21:00 Uhr
Seminarraum 110, Albert-Einstein-Str. 25
Mathematik der Geheimhaltung
Prof. Dr. Gohar Kyureghyan
Sa, 21.04.2018, 13:45-14:30 Uhr
Hörsaal 2 der Physik, Albert-Einstein-Str. 24
Vorträge unserer Gäste
Pseudorandom binary sequences: quality measures and number-theoretic constructions
Univ.-Doz. Dr. Arne Winterhof (RICAM, Linz)
Mi, 10.07.2024, 15:15 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, SR 228)
Abstract
Codes and Designs
Dr. Charlene Weiß (Universität Paderborn)
Mi, 22.05.2024, 15:00 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, SR 228)
Abstract
Permutationen der projektiven Ebene und deren assoziierte planare Funktionen
Dr. Lukas Kölsch (University of South Florida, USA)
Mi, 05.07.2023, 15:00 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, SR 228)
Abstract
How can we ensure that (symmetric) cryptographic primitives are trustworthy?
Léo Perrin (INRIA, Paris)
Mi, 07.06.2023, 15:15 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, HS 326/327)
Abstract
Mathematical tools to design and analyze the security of Arithmetization-Oriented symmetric primitives
Clemence Bouvier (INRIA, Paris)
Mi, 07.06.2023, 09:15 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, HS 125)
Abstract
Rational points on curves over finite fields
Prof. Henning Stichtenoth (Sabanci University - FENS, Istanbul, Turkey)
Mi, 03.05.2023, 15:15 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, HS 326/327)
Abstract
Sequences of permutation polynomials over finite fields
Alev Topuzoglu (Sabanci University - FENS, Istanbul, Turkey)
Mi, 03.05.2023, 11:15 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3, SR 421)
Abstract
Designs and vectorial bent functions
Dr. Alexandr Polujan (Otto-von-Guericke Universität, Magdeburg)
Di, 27.09.2022, 13:00 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3)
Equivalences and symmetries in combinatorial structures: From Boolean functions to finite geometries
Dr. Lukas Kölsch (University of South Florida, USA)
Di, 27.09.2022, 10:00 Uhr
Institut für Mathematik (Ulmenstr. 69, Haus 3)
Group codes are asymptotically good
Prof. Dr. Wolfgang Willems (Otto-von-Guericke Universität, Magdeburg)
Mi, 23.10.2019, 15:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
How to Analyse an S-box, and, in the Process, Prove the Russian Standardizing Agency is Wrong
Dr. Leo Perrin (INRIA, Paris)
Mi, 26.06.2019, 13:30 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Families which are not equivalent to APN permutations
Prof. Dr. Faruk Gologlu (Charles University, Prague)
Di, 12.03.2019, 14:00 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Finite Fields and their (less famous) cousins
Prof. John Sheekey (University College Dublin, Ireland)
Mi, 16.01.2019, 15:15 Uhr
HS 326/327 (Ulmenstr. 69, Haus 3)
Abstract
Bent functions, plateaued functions and Alltop functions
Prof. Dr. Ferruh Özbudak (Middle East Technical University, Ankara, Turkey)
Mi, 29.11.2017, 15:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Almost perfect nonlinear functions
Prof. Dr. Alexander Pott (Otto-von-Guericke Universität Magdeburg)
Mi, 29.11.2017, 16:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Regular Pattern of Irreducible Polynomials
Dr. Giacomo Micheli (University of Oxford)
Do, 12.10.2017, 15:15 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract
Differential Equivalences of SBoxes
Dr. Valentin Suder (University of Versailles-St-Quentin-en-Yvelines)
Do, 12.10.2017, 14:00 Uhr
HS 228 (Ulmenstr. 69, Haus 3)
Abstract