期刊
LETTERS IN MATHEMATICAL PHYSICS
卷 106, 期 4, 页码 545-555出版社
SPRINGER
DOI: 10.1007/s11005-016-0831-0
关键词
Schrodinger equation; dispersive estimates; Laguerre polynomials
资金
- 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
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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