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math.CO2007★ 4 cited
Binomial identities related to Calabi-Yau differential equations
Gert Almkvist
When searching for Calabi.Yau differential equations, often different formulas for the coefficients give the same differential equation. The coefficients are usually sums (simple,…
math.CO2006★ 2 cited
Integrity of ghosts
Gert Almkvist
Sequences of traces of powers of integral matrices are characterized.The result can be used can be used in character tables of e.g. the symmetric group.