For any positive integer N, we clearly describe all finite-dimensional algebras A such that the upper triangular matrix algebras TN( A) are piecewise hereditary. Consequently, we describe all finit... Click to show full abstract
For any positive integer N, we clearly describe all finite-dimensional algebras A such that the upper triangular matrix algebras TN( A) are piecewise hereditary. Consequently, we describe all finit...
               
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