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math.CO2025
Homological algebra of Nakayama algebras and 321-avoiding permutations
Eirini Chavli, Rene Marczinzik
Linear Nakayama algebras over a field are in natural bijection to Dyck paths and Dyck paths are in natural bijection to 321-avoiding bijections via the Billey-Jockusch-Stanley…
math.RT2025
The BMM Symmetrising Trace Conjecture for Families of Complex Reflection Groups of Rank Two
Eirini Chavli, Götz Pfeiffer
The exceptional complex reflection groups of rank 2 are partitioned into three families. We construct explicit matrix models for the Hecke algebras associated to the maximal groups…