We show that certain tiled R-orders
$\Lambda$ have periodic projective resolutions and hence we determine the Hochschild
cohomology ring of $\Lambda$. This generalises, reproves and connects
several results in the literature.
机构:
Bowling Green State Univ, Dept Math & Stat, Bowling Green, OH 43403 USA
Romanian Acad, Inst Math, POB 1-764, Bucharest 70700, RomaniaBowling Green State Univ, Dept Math & Stat, Bowling Green, OH 43403 USA