Journal
LETTERS IN MATHEMATICAL PHYSICS
Volume 106, Issue 4, Pages 545-555Publisher
SPRINGER
DOI: 10.1007/s11005-016-0831-0
Keywords
Schrodinger equation; dispersive estimates; Laguerre polynomials
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Funding
- Austrian Science Fund (FWF) [P26060]
- University of Vienna
- Austrian Science Fund (FWF) [P26060] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 26060] Funding Source: researchfish
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We derive an explicit expression for the kernel of the evolution group of the discrete Laguerre operator H (0) (i.e., the Jacobi operator associated with the Laguerre polynomials) in terms of Jacobi polynomials. Based on this expression, we show that the norm of the evolution group acting from to is given by (1 + t(2))(-1/2).
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