Critical modules over the second Weyl algebra

[摘要] We give examples of irreducible modules over the second complex Weyl algebra A(2) whose dual is GK-critical but not irreducible. These modules are then used in the construction of critical modules of length 2 over A(2). (C) 1998 Elsevier Science B.V. AU rights reserved.

[发布日期] 1998-12-30