Nonlinear variants of a theorem of KwapieĊ
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DOI: 10.1007/s11856-021-2258-2
Abstract: A famous result of S. Kwapien asserts that a linear operator from a Banach space to a Hilbert space is absolutely $1$-summing whenever its adjoint is absolutely $q$-summing for some $1\leq q read more here.
Keywords: result; theorem kwapie; variants theorem; nonlinear variants ... See more keywords
Nonlinear variants of the generalized Filbert and Lilbert matrices
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DOI: 10.3906/mat-1909-62
Abstract: In this paper, we present variants of the generalized Filbert and Lilbert matrices by products of the general Fibonacci and Lucas numbers whose indices are in certain nonlinear forms of the indices with certain integer… read more here.
Keywords: variants generalized; generalized filbert; lilbert matrices; filbert lilbert ... See more keywords