Annals of Combinatorics, Volume 4, No. 2, 2000

P. Abramenko and H. Van Maldeghem
On Opposition in Spherical Buildings and Twin Buildings
Ann. Combin. 4 (2000) 125-137.

E. Bannai and M. Sawano
The Classification of Certain Four-Weight Spin Models
Ann. Combin. 4 (2000) 139-151.

L. Bezrukov, S.K. Das, and Robert Elsässer
An Edge-Isoperimetric Problem for Powers of the Petersen Graph
Ann. Combin. 4 (2000) 153-169.

R.F. Booth, A.V. Borovik, I.M. Gelfand, and D.A. Stone
Lagrangian Matroids and Cohomology
Ann. Combin. 4 (2000) 171-182.

A.W.M. Dress
The Theorem of the k-1 Happy Divorces
Ann. Combin. 4 (2000) 183-194.

R. Ehrenborg
A Bijective Answer to a Question of Zvonkin
Ann. Combin. 4 (2000) 195-197.

R. Ehrenborg and G. Hetyei
Flags and Shelings of Eulerian Cubical Posets
Ann. Combin. 4 (2000) 199-226.

I. Sarmiento
The Polychromate and a Chord Diagram
Ann. Combin. 4 (2000) 227-236.

Z.-X. Wan
Orthogonal Matroids
Ann. Combin. 4 (2000) 237-246.