Results 41 to 50 of about 2,741,424 (87)

The essential norm of bounded diagonal infinite matrices acting on Banach sequence spaces

open access: yesDemonstratio Mathematica
We calculate the essential norm of bounded diagonal infinite matrices acting on Köthe sequence spaces. As a consequence of our result, we obtain a recent criteria for the compactness of multiplication operator acting on Köthe sequence spaces.
Fernández Julio C. Ramos   +2 more
doaj   +1 more source

antiSMASH 5.0: updates to the secondary metabolite genome mining pipeline

open access: yesNucleic Acids Res., 2019
Secondary metabolites produced by bacteria and fungi are an important source of antimicrobials and other bioactive compounds. In recent years, genome mining has seen broad applications in identifying and characterizing new compounds as well as in ...
K. Blin   +7 more
semanticscholar   +1 more source

On the L p-boundedness of Calderón-Zygmund operators

open access: yesAdvanced Nonlinear Studies
The main result in this paper is that, for singular integral operators associated with standard kernels, local L 1-estimates imply global L p-estimates for every p ∈ (1, ∞).
Mitrea Dorina, Mitrea Marius
doaj   +1 more source

Embeddings of rearrangement invariant spaces that are not strictly singular

open access: yes, 1999
We give partial answers to the following conjecture: the natural embedding of a rearrangement invariant space E into L_1([0,1]) is strictly singular if and only if G does not embed into E continuously, where G is the closure of the simple functions in ...
Montgomery-Smith, S. J., Semenov, E. M.
core   +1 more source

Optimal transport of vector measures. [PDF]

open access: yesCalc Var Partial Differ Equ, 2021
Ciosmak KJ.
europepmc   +1 more source

Quantifier elimination in the theory of Lp(Lq) Banach lattices

open access: yesJournal of Logic and Analysis, 2011
C. Henson, Y. Raynaud
semanticscholar   +1 more source

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