Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Yu. I. Karlovich"'
Publikováno v:
Trends in Mathematics ISBN: 9783030875015
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23e0233a10b4549cb8bc87a250cd259f
https://doi.org/10.1007/978-3-030-87502-2_34
https://doi.org/10.1007/978-3-030-87502-2_34
Publikováno v:
Operator Theory, Functional Analysis and Applications ISBN: 9783030519445
Let Φ be a C∗-subalgebra of \(L^\infty (\mathbb {R})\) and \(SO_{X(\mathbb {R})}^\diamond \) be the Banach algebra of slowly oscillating Fourier multipliers on a Banach function space \(X(\mathbb {R})\). We show that the intersection of the Calkin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f63a2b305a608e572c7f8673c4f7ab
https://doi.org/10.1007/978-3-030-51945-2_10
https://doi.org/10.1007/978-3-030-51945-2_10
Autor:
Yu. I. Karlovich
Publikováno v:
Integral Equations and Operator Theory. 87:435-460
Given \(\alpha \in (0,2]\), the \(C^*\)-algebra \({{\mathfrak {A}}}_{\mathbb {K}_\alpha ,n,m}\) generated by the identity operator and by n poly-Bergman and m anti-poly-Bergman projections acting on the Lebesgue space \(L^2(\mathbb {K}_\alpha )\) ove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c16db4c1e7cb594bef1f66a24373061e
https://doi.org/10.1007/s00020-017-2355-0
https://doi.org/10.1007/s00020-017-2355-0
Autor:
Yu. I. Karlovich
Publikováno v:
Operator Algebras, Toeplitz Operators and Related Topics ISBN: 9783030446505
Let \(\mathcal {B}_{p,w}\) be the Banach algebra of all bounded linear operators on the weighted Lebesgue space \(L^p(\mathbb T,w)\) with p ∈ (1, ∞) and a Muckenhoupt weight \(w\in A_p(\mathbb T)\) which is locally equivalent at open neighborhood
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e989c67999c2dcdc92dd815cbad90aa1
https://doi.org/10.1007/978-3-030-44651-2_15
https://doi.org/10.1007/978-3-030-44651-2_15
Autor:
Yu. I. Karlovich
Publikováno v:
Applied and Numerical Harmonic Analysis ISBN: 9783030361372
Let Γ be a finite or infinite interval of \(\mathbb R\), p ∈ (1, ∞), and let w ∈ Ap( Γ) be a Muckenhoupt weight. Relations of the weighted singular integral operator \(wS_{\mathbb{R}_+}w^{-1}I\) on the space \(L^p(\mathbb{R}_{+})\) and Mellin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ca8dc7b57c0bca129102fffac22a610
https://doi.org/10.1007/978-3-030-36138-9_17
https://doi.org/10.1007/978-3-030-36138-9_17
Publikováno v:
Integral Equations and Operator Theory. 91
Let G be an amenable discrete group of orientation-preserving piecewise smooth homeomorphisms $$g:\mathbb {T}\rightarrow \mathbb {T}$$ , with finite sets of discontinuities for their derivatives $$g'$$ , which acts topologically freely on $$\mathbb {
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b1303516bcf9072335e98150fe0130b
https://doi.org/10.1007/s00020-019-2520-8
https://doi.org/10.1007/s00020-019-2520-8
Publikováno v:
Integral Equations and Operator Theory. 83:243-269
Given \({m \in \mathbb{N}}\), we study the C*-algebra \({\mathfrak{A}_m(\mathfrak{L})}\) generated by the operators of multiplication by piecewise constant functions with discontinuities on a system \({\mathfrak{L}}\) of rays starting from the origin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f0eeb0d4b5aca24fe8e8dc06cd134fb
https://doi.org/10.1007/s00020-015-2226-5
https://doi.org/10.1007/s00020-015-2226-5
Publikováno v:
Journal of Mathematical Analysis and Applications. 413:502-524
Representations on Hilbert spaces for a nonlocal C ⁎ -algebra B of singular integral operators with piecewise slowly oscillating coefficients extended by a group of unitary shift operators are constructed. The group of unitary shift operators U g i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::657d0ea2b7296c773874b8f17e51676a
https://doi.org/10.1016/j.jmaa.2013.12.001
https://doi.org/10.1016/j.jmaa.2013.12.001
Autor:
Yu. I. Karlovich, G. Fernández-Torres
Publikováno v:
Integral Methods in Science and Engineering, Volume 1 ISBN: 9783319593838
Let p ∈ (1, ∞), α be an orientation-preserving homeomorphism of [0, ∞] onto itself with only two fixed points 0 and ∞, whose restriction to \(\mathbb{R}_{+} = (0,\infty )\) is a diffeomorphism, and let U α be the isometric shift operator ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a60c0721f7127417283d9c6d2c0d9b6
https://doi.org/10.1007/978-3-319-59384-5_9
https://doi.org/10.1007/978-3-319-59384-5_9
Autor:
Yu. I. Karlovich
Publikováno v:
Large Truncated Toeplitz Matrices, Toeplitz Operators, and Related Topics ISBN: 9783319491806
The paper is devoted to studying the Haseman boundary value problem Φ+ ∘ α = GΦ− + g on a star-like Carleson curve Γ composed by logarithmic spirals in the setting of Lebesgue spaces, where Φ± are angular boundary values of an unknown analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::172290fdfc0c69bef3b440eae1e019d2
https://doi.org/10.1007/978-3-319-49182-0_19
https://doi.org/10.1007/978-3-319-49182-0_19