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math.CO2001
Combinatorial proofs of q-series identities
Robin Chapman
We provide combinatorial proofs of some of the q-series identities considered by Andrews, Jimenez-Urroz and Ono [q-series identities and values of certain -functions. Duke Math.…
math.CO2000
Alternating sign matrices and tournaments
Robin Chapman
We settle a question of Bressoud concerning the existence of an explicit bijection from a class of oriented square-ice graphs to a class of tournaments. We give an algorithm constr…