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Derived invariants of gentle orders

Wassilij Gnedin

Abstract

This article is concerned with the derived representation theory of certain infinite-dimensional gentle algebras called gentle orders. For a gentle order, we provide a factorization of the derived Nakayama functor, study its fractionally Calabi-Yau objects and exceptional cycles, and establish that certain combinatorial invariants of its underlying quiver are derived invariants, analogous to results for finite-dimensional gentle algebras.

Derived invariants of gentle orders

Abstract

This article is concerned with the derived representation theory of certain infinite-dimensional gentle algebras called gentle orders. For a gentle order, we provide a factorization of the derived Nakayama functor, study its fractionally Calabi-Yau objects and exceptional cycles, and establish that certain combinatorial invariants of its underlying quiver are derived invariants, analogous to results for finite-dimensional gentle algebras.

Paper Structure

This paper contains 1 theorem, 1 equation.

Key Result

Theorem 3

For any gentle order $\Lambda$ the derived Nakayama functor admits a factorization

Theorems & Definitions (1)

  • Theorem 3: Theorem \ref{['thm:nu-factors']}