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Lie Groups and Representation Theory
Seminar information archive ～04/26｜Next seminar｜Future seminars 04/27～
| Date, time & place | Tuesday 16:30 - 18:00 126Room #126 (Graduate School of Math. Sci. Bldg.) |
|---|
2012/12/11
16:30-18:00 Room #126 (Graduate School of Math. Sci. Bldg.)
Tatsuyuki Hikita (Kyoto University)
Affine Springer fibers of type A and combinatorics of diagonal
coinvariants
Affine Springer fibers of type A and combinatorics of diagonal
coinvariants (JAPANESE)
Tatsuyuki Hikita (Kyoto University)
Affine Springer fibers of type A and combinatorics of diagonal
coinvariants
Affine Springer fibers of type A and combinatorics of diagonal
coinvariants (JAPANESE)
[ Abstract ]
We introduce certain filtrations on the homology of
affine Springer fibers of type A and give combinatorial formulas for the bigraded Frobenius series of the associated graded modules.
The results are essentially given by generalizations of the symmetric function introduced by Haglund, Haiman, Loehr, Remmel, and Ulyanov which is conjectured to coincide with the bigraded Frobenius series of the ring of diagonal coinvariants.
We introduce certain filtrations on the homology of
affine Springer fibers of type A and give combinatorial formulas for the bigraded Frobenius series of the associated graded modules.
The results are essentially given by generalizations of the symmetric function introduced by Haglund, Haiman, Loehr, Remmel, and Ulyanov which is conjectured to coincide with the bigraded Frobenius series of the ring of diagonal coinvariants.
