Kombinatorische Gruppentheorie Combinatorial group theory Cryptography Informatik Berechnungskomplexität Computer algorithms Computer science / Theory of computing / Analysis of algorithms and problem complexity Group theory and generalizations / Special aspects of infinite or finite groups / Word problems, other decision problems, connections with logic and automata Information and communication, circuits / Communication, information / Authentication and secret sharing Information and communication, circuits / Communication, information / Cryptography Komplexitätstheorie Kryptologie Mathematik Number theory Number theory / Finite fields and commutative rings (number-theoretic aspects) / Algebraic coding theory; cryptography Public-Key-Kryptosystem Algorithms Combinatorial analysis Combinatorics Computational Mathematics and Numerical Analysis Computer science / Mathematics Freie Gruppe Geometry, Algebraic Group Theory and Generalizations Group theory Mathematics Proof theory