WebHappel Theorem [5,8,15] says that there is a triangle-embedding Φ : GP(R) → Dsg(R), and Φ is an equivalence if R is Gorenstein. Recently, similar quotient triangulated categories … WebThis paper was written while the authors were visiting the University of Bielefeld as Alexander von Humboldt fellows

DIETER HAPPEL - uni-bielefeld.de

WebThe hoop conjecture, proposed by Kip Thorne in 1972, states that an imploding object forms a black hole when, and only when, a circular hoop with a specific critical circumference … WebDieter Happel's 86 research works with 3,879 citations and 3,119 reads, including: A combinatorial characterization of hereditary categories containing simple objects ... By a … jessica chastain new movies

HAPPLEL-RINGEL

WebTSUKUBA J. MATH. $Vol$ 6 No. 2 (1982). 289{292 HAPPLEL-RINGEL’S THEOREM ON TILTED ALGEBRAS By Mitsuo HOSHINO In [4], Happel-Ringel have generalized the earlier work WebDIETER HAPPEL Let A be a finite-dimensional k-algebra over an algebraically closed field k. We denoteby modA the categoryoffinitely generatedleft A-modules. For anA-module ... Theorem. Let A be a finite-dimensional algebra such that there is an integer s with J2s+1 = 0 and A/Js representation-finite. Then the generalized Nakayama WebKenneth Ira Appel (October 8, 1932 – April 19, 2013) was an American mathematician who in 1976, with colleague Wolfgang Haken at the University of Illinois at … jessica chastain movies 2012