A basis- and integral-free representation of time-dependent perturbation theory via the omega matrix calculus
DOI10.4171/AIHPD/173MaRDI QIDQ6489754
Publication date: 22 April 2024
Published in: Annales de l'Institut Henri Poincaré D. Combinatorics, Physics and their Interactions (Search for Journal in Brave)
divided differencesDyson seriesbasis-freetime-dependent perturbationintegral-freeOmega matrix calculusPutzer's representation
Exact enumeration problems, generating functions (05A15) Factorials, binomial coefficients, combinatorial functions (05A10) Perturbation theories for operators and differential equations in quantum theory (81Q15) Matrix exponential and similar functions of matrices (15A16)
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