Homotopies for resolutions of skew-hook shapes.

David A. Buchsbaum Brian D. Taylor

To appear at Formal Power Series and Algebraic Combinatorics (FPSAC01), Tempe, Arizona (USA), May 20-26, 2001


We present characteristic-free resolutions and splitting homotopies for the Weyl modules associated to skew-hook shapes. Nous pr\'esentons des r\'esolutions en caract\'eristique-libre, et des homotopies associ\'ees aux formes du type ``skew-hook''.

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