A characterization of representation-finite biserial algebras over a perfect field

In this case there is no counterexample for arbitrary derivations and we do not know if k[X] d is finitely generated for locally nilpotent deriva- tions... It follows from the

 When it is not feasible to compute the whole angle of attack range in each iteration during an optimization, three angles of attack are enough to avoid jumps in the lift curve

Bogactwo wygłoszonych referatów, bogactwo myśli i wypowiedzi, mimo że wydawało się, iż temat jest prosty i jasny, to jednak okazuje się, że w rzeczywi- stości Kościoła w

More- over, this approach allows results concerning ∆-filtered modules over quasi- hereditary algebras (such as the existence of almost split sequences, proper- ties of the Euler

One can see that up to duality (see Lemma 1.2(e)) and up to the order of tensor products (Lemma 1.2(a)) all cases of pairs of bound quivers providing tameness of their tensor

The aim of the present paper is to show sufficient conditions related to 2-cocycles for self-injective Hochschild exten- sion algebras to be symmetric, and to present a construction

The main aim of this paper is to give a simple criterion for a special algebra to be representation-finite, that is, there is only a finite number of

ANNALES SOCIETATIS MATHEMATICAE POLONAE Series I: COMMENTATIONES MATHEMATICAE XXI (1979) ROCZNIK1 POLSK.IEGO TOWARZYSTWA MATEMATYCZNEGO.. Séria I: PRACE MATEMATYCZNE