Arithmetical algebraic geometry Combinatorial analysis Commutative rings Finite fields (Algebra) Group theory Arithmetic algebraic geometry (Diophantine geometry) Combinatorics Communication, information Computational aspects of field theory and polynomials Designs and configurations Field extensions Field theory and polynomials Finite fields and commutative rings (number-theoretic aspects) Finite geometry and special incidence structures General field theory Geometry Group theory and generalizations Information and communication, circuits Number theory Representation theory of groups Theory of error-correcting codes and error-detecting codes