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pro vyhledávání: '"Gadzhimirzaev, Ramis Makhmudovich"'
Two-dimensional limit series in ultraspherical Jacobi polynomials and their approximative properties
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 21, Iss 4, Pp 422-433 (2021)
Let $C[-1,1]$ be the space of functions continuous on the segment $[-1,1]$, $C[-1,1]^2$ be the space of functions continuous on the square $[-1,1]^2$. We denote by $P_n^\alpha(x)$ the ultraspherical Jacobi polynomials. Earlier, for function $f$ from
Externí odkaz:
https://doaj.org/article/f6c00b1c9cd94096a397d331a4ce8d53
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 20, Iss 4, Pp 416-423 (2020)
Let w(x) be the Laguerre weight function, 1 /le p < ∞, and Lpw be the space of functions f, p-th power of which is integrable with the weight function w(x) on the non-negative axis. For a given positive integer r, let denote by WrLpw the Sobolev sp
Externí odkaz:
https://doaj.org/article/51671ee13b434adb972f6104bb6a22fa