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cs.FL2023★ 1 cited
Coordination Sequences of Periodic Structures are Rational via Automata Theory
Eryk Kopczynski
We prove the conjecture of Grosse-Kunstleve et al. that coordination sequences of periodic structures in n-dimensional Euclidean space are rational. This has been recently proven b…
gr-qc2023
Simulating, Visualizing and Playing with de Sitter and anti de Sitter spacetime
Eryk Kopczynski
In this paper we discuss computer simulations of de Sitter and anti de Sitter spacetimes, which are maximally symmetric, relativistic analogs of non-Euclidean geometries. We presen…