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math.CO2026
On Cycles in Multiset Permutations, Parking Functions, and Related Structures
Calum Buchanan, Fabian Burghart, Stephan Wagner +1
In this paper we study cycles in multiset permutations and parking functions. As combinatorial objects, multiset permutations are essential building blocks for mappings and permuta…
math.CO2026
On fixing and distinguishing numbers of trees
Calum Buchanan, Peter Dankelmann, Isabel Harris +3
A graph is -distinguishable if there is a labeling of its vertices with labels such that the only automorphism of which preserves the labeling is the identity. The d…