We use the Grossberg-Karshon's degeneration of Bott-Samelson varieties to toric varieties and the description of cohomology of line bundles on toric varieties to deduce vanishing results for the cohomology of lines bundles on Bott-Samelson varieties. (C) 2010 Elsevier Inc. All rights reserved.
机构:
McMaster Univ, Dept Math & Stat, 1280 Main St W, Hamilton, ON L8S 4K1, CanadaMcMaster Univ, Dept Math & Stat, 1280 Main St W, Hamilton, ON L8S 4K1, Canada
Harada, Megumi
Yang, Jihyeon Jessie
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Univ Toronto, Dept Math & Computat Sci, 3359 Mississauga Rd, Mississauga, ON L5L 1C6, CanadaMcMaster Univ, Dept Math & Stat, 1280 Main St W, Hamilton, ON L8S 4K1, Canada
机构:
Tokyo Inst Technol, Dept Math, Meguro Ku, 2-12-1 Oh Okayama, Tokyo 1528551, JapanTokyo Inst Technol, Dept Math, Meguro Ku, 2-12-1 Oh Okayama, Tokyo 1528551, Japan