Geodesic
Alcove walks and nearby cycles on affine flag manifolds.
Journal of Algebraic Combinatorics, Tome 26 (2007) no. 4, pp. 415-430.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: Using Ram's theory of alcove walks we give a proof of the Bernstein presentation of the affine Hecke algebra. The method works also in the case of unequal parameters. We also discuss how these results help in studying sheaves of nearby cycles on affine flag manifolds. 
@article{JAC_2007__26_4_a6,
     author = {G\"ortz, Ulrich},
     title = {Alcove walks and nearby cycles on affine flag manifolds.},
     journal = {Journal of Algebraic Combinatorics},
     pages = {415--430},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2007__26_4_a6/}
}
TY  - JOUR
AU  - Görtz, Ulrich
TI  - Alcove walks and nearby cycles on affine flag manifolds.
JO  - Journal of Algebraic Combinatorics
PY  - 2007
SP  - 415
EP  - 430
VL  - 26
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JAC_2007__26_4_a6/
LA  - en
ID  - JAC_2007__26_4_a6
ER  - 
%0 Journal Article
%A Görtz, Ulrich
%T Alcove walks and nearby cycles on affine flag manifolds.
%J Journal of Algebraic Combinatorics
%D 2007
%P 415-430
%V 26
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JAC_2007__26_4_a6/
%G en
%F JAC_2007__26_4_a6
Görtz, Ulrich. Alcove walks and nearby cycles on affine flag manifolds.. Journal of Algebraic Combinatorics, Tome 26 (2007) no. 4, pp. 415-430. http://geodesic.mathdoc.fr/item/JAC_2007__26_4_a6/