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Annihilators of rational modules

✍ Scribed by Anthony G O'Farrell


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
716 KB
Volume
19
Category
Article
ISSN
0022-1236

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The Orlik-Solomon algebra A of a matroid is isomorphic to the quotient of an exterior algebra E by a defining ideal I. We find an explicit presentation of the annihilator ideal of I or, equivalently, the E-module dual to A. As an application of that we provide a necessary, combinatorial condition fo