Papers
The following papers are available in gzipped
PostScript
, Pdf and
Dvi.
Please note that in the DviFiles some of the figures may be corrupted.
 A Schur function identity
related to the (1)enumeration of selfcomplementary
plane partitions J. Combin. Theory Ser. A,
115 (2008), (199  212).

(1)enumeration
of selfcomplementary plane partitions,
Electron. J. Combinat. 12 (1) (2005),
#R7, 22 pages.

2Enumerations of Halved Alternating Sign Matrices,
Séminaire Lotharingien de
Combinatoire 46 (2001), Article B46c, 11pp.

(1)enumeration
of plane partitions with complementation symmetry,
Adv. Appl. Math. 30, No.12, 5395 (2003).

Enumeration
of lozenge tilings of hexagons with a central triangular hole,
J. Combin. Theory Ser. A 95 (2001), 251334.
(joint work with M. Ciucu, C. Krattenthaler and D. Zare).

Rhombus tilings of a hexagon with two triangles
missing on the symmetry axis, Electron. J. Combinat. 6 (1) (1999),
#R30, 19pp.
 Proof of a partition identity
conjectured by Lassalle , preprint, 1999 (3 pages).

Rhombus tilings of a hexagon with three
fixed border tiles, , J. Combin. Theory Ser. A 88,
368378 (1999).
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