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math.RT2021
A new characterisation of quasi-hereditary Nakayama algebras and applications
René Marczinzik, Emre Sen
We call a finite dimensional algebra A S-connected if the projective dimensions of the simple A-modules form an interval. We prove that a Nakayama algebra A is S-connected if and o…
math.RT2021
Exceptional sequences and rooted labeled forests
Kiyoshi Igusa, Emre Sen
We give a representation-theoretic bijection between rooted labeled forests with vertices and complete exceptional sequences for the quiver of type with straight orientat…