186 citations · 1.4k across the 99 of their papers we have counts for
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math-ph2012★ 4 cited
Inverse of the Vandermonde and Vandermonde confluent matrices
Héctor Moya-Cessa, Francisco Soto-Eguibar
The inverse of the Vandermonde and confluent Vandermonde matrices are presented. In the case of the Vandermonde matrix, we present a decomposition in three factors, one of them a d…
math-ph2008★ 4 cited
New expressions for Laguerre and Hermite polynomials
H. Moya-Cessa
New expressions for Laguerre and Hermite polynomials are shown. They are based on operator algebras commonly used in quantum mechanics.
math-ph2006★ 3 cited
Self-rotating wave approximation via symmetric ordering of ladder operators
Jonas Larson, Hector Moya-Cessa
We show how some Hamiltonians may be approximated using rotating wave approximation methods. In order to achieve this we use the algebra of boson ladder operators, and transformati…