Found 329 Documents (Results 1–100)
Proof that a form of Rubio de Francia’s conjectured Littlewood-Paley type inequality for \(A_1 (\mathbb{R})\)-weighted \(L^2 (\mathbb{R})\) is valid for every even \(A_1 (\mathbb{R})\) weight. (English) Zbl 07919131
Reviewer: Oscar Blasco (València)
Local behaviors of Fourier expansions for functions of limited regularities. (English) Zbl 1542.65139
Single particle cryo-EM image registration based on Fourier-Bessel transform and fast Laguerre projection method. (English. Russian original) Zbl 1542.68203
Comput. Math. Model. 34, No. 1, 1-15 (2023); translation from Prikl. Mat. Inf. 73, 4-22 (2023).
Convergence theorems of conditional expectations by using contractive projections on Banach spaces. (English) Zbl 07788561
Absolute continuity in families of parametrised non-homogeneous self-similar measures. (English) Zbl 1538.28026
One weight inequality for Bergman projection and Calderón operator induced by radial weight. (English) Zbl 1527.30037
Reviewer: Qingze Lin (Guangzhou)
Approximation of kernel projection operators in shift-invariant subspaces of function spaces with mixed norms. (English) Zbl 1542.41015
Optimal recovery of a square integrable function from its observations with Gaussian errors. (English. Russian original) Zbl 1521.93201
Autom. Remote Control 84, No. 4, 369-388 (2023); translation from Avtom. Telemekh. 2023, No. 2, 122-149 (2023).
MSC:
93E20
Asymptotic estimates for the widths of classes of functions of high smothness. (English) Zbl 1516.42001
MSC:
42A10
Analysis of a Fourier-Galerkin method for the transmission eigenvalue problem based on a boundary integral formulation. (English) Zbl 1520.65078
Note on a special class of \(A_1 (\mathbb{R})\) weights that exemplify Rubio de Francia’s Littlewood-Paley type inequality in the setting of \(A_1 (\mathbb{R})\)-weighted \(L^2\). (English) Zbl 1516.30064
Smooth orthonormal basis for \(L_2(\mathbb{R}^2)\) using smooth projections on \(L_2(\mathbb{R}^2)\) associated with rectangles in \(\mathbb{R}^2\). (English) Zbl 1514.42009
A note on \(\ell^2\)-linear independence of Gabor systems. (English) Zbl 1515.42024
Reviewer: Peter Massopust (München)
From Pythagoras to Fourier and from geometry to nature. (English) Zbl 1519.42001
Amsterdam: Athena Publishing (ISBN 978-90-832323-0-0/pbk; 978-90-832323-1-7/ebook). xiii, 146 p., open access (2022).
Fourier collocation and reduced basis methods for fast modeling of compressible flows. (English) Zbl 1500.76064
Sharp \(L^p\)-\(L^q\) estimate for the spectral projection associated with the twisted Laplacian. (English) Zbl 1492.42021
Re: Positive resolution of Rubio de Francia’s Littlewood-Paley conjecture for arbitrary disjoint intervals in the context of \(A_1\)-weighted \(L^2\). (English) Zbl 1498.30029
Reviewer: Oscar Blasco (València)
Cuspidal projections of products of Eisenstein series. (English) Zbl 1493.11085
Reviewer: Guram Gogishvili (Tbilisi)
On analytical families of matrices generating bounded semigroups. (Russian. English summary) Zbl 1501.65085
Local projection stabilization continuous space-time finite element method for convection-diffusion-reaction equations. (Chinese. English summary) Zbl 1513.65395
Approximation by multivariate quasi-projection operators and Fourier multipliers. (English) Zbl 1508.41009
Numerical simulation for quasiperiodic quantum dynamical systems. (Chinese. English summary) Zbl 1488.81002
Density order of Parseval wavelet frames from extension principles. (English) Zbl 1481.42041
Reviewer: Hans-Georg Stark (Aschaffenburg)
An efficient randomized algorithm for computing the approximate Tucker decomposition. (English) Zbl 07384718
On convergence of a structure preserving difference scheme for two-dimensional space-fractional nonlinear Schrödinger equation and its fast implementation. (English) Zbl 1524.65352
Convex combination of alternating projection and Douglas-Rachford operators for phase retrieval. (English) Zbl 1465.65055
Quasi-projection operators in weighted \(L_p\) spaces. (English) Zbl 1460.41015
Reviewer: Martin D. Buhmann (Gießen)
Application of optimal quadrature formulas for reconstruction of CT images. (English) Zbl 1460.65025
Rates of convergence in invariance principles for random walks on linear groups via martingale methods. (English) Zbl 1469.60098
Analytic Bergman operators in the semiclassical limit. (English) Zbl 1469.32003
Reviewer: Fritz Haslinger (Wien)
Effective response of heterogeneous materials using the recursive projection method. (English) Zbl 1442.74192
Hausdorff dimension, projections, intersections, and Besicovitch sets. (English) Zbl 1450.28004
Aldroubi, Akram (ed.) et al., New trends in applied harmonic analysis. Volume 2. Harmonic analysis, geometric measure theory, and applications. Collected papers based on courses given at the 2017 CIMPA school, Buenos Aires, Argentina, July 31 – August 11, 2017. Cham: Birkhäuser. Appl. Numer. Harmon. Anal., 129-157 (2019).
Computing the maximum volume inscribed ellipsoid of a polytopic projection. (English) Zbl 1446.90069
Decrease of Fourier coefficients of stationary measures. (English) Zbl 1410.42008
Reviewer: Ferenc Weisz (Budapest)
Image segmentation with depth information via simplified variational level set formulation. (English) Zbl 1387.94024
Firey-Shephard problems for homogeneous measures. (English) Zbl 1381.52008
Reviewer: Alexey Alimov (Moskva)
MSC:
52A20
Algorithm for bound constrained total variation image restoration from random projections. (Chinese. English summary) Zbl 1399.68296
Feature of multi-resolution analysis associated with fractional Fourier transform. (Chinese. English summary) Zbl 1389.42019
MSC:
42B10
Carrier frequencies, holomorphy, and unwinding. (English) Zbl 1384.30014
Reviewer: Leonid Golinskii (Kharkov)
Distribution functions of sections and projections of convex bodies. (English) Zbl 1380.52006
Reviewer: Gabil Adilov (Antalya)
Orthogonal polynomial projection error measured in Sobolev norms in the unit disk. (English) Zbl 1376.41015
Reviewer: Francisco Pérez Acosta (La Laguna)
Efficient and fast numerical method for pricing discrete double barrier option by projection method. (English) Zbl 1414.91410
A Paley-Wiener theorem for the spectral projection of symmetric graphs. (English) Zbl 1377.43005
Reviewer: Takeshi Kawazoe (Yokohama)
Projection functions, area measures and the Alesker-Fourier transform. (English) Zbl 1377.52004
Reviewer: Wolfgang Weil (Karlsruhe)
Stability inequalities for projections of convex bodies. (English) Zbl 1360.52004
Reviewer: George Stoica (Saint John)
A first course in functional analysis. (English) Zbl 1367.46001
Boca Raton, FL: CRC Press (ISBN 978-1-4987-7161-0/hbk; 978-1-4987-7162-7/ebook). xv, 240 p. (2017).
Reviewer: Mohammad Sal Moslehian (Mashhad)
Convolution backprojection algorithm for tomographic image reconstruction with contourlet transform. (English) Zbl 1453.92180
Minimal projections with respect to numerical radius. (English) Zbl 1405.41024
de Jeu, Marcel (ed.) et al., Ordered structures and applications. Positivity VII (Zaanen centennial conference), Leiden, the Netherlands, July 22–26, 2013. Basel: Birkhäuser/Springer (ISBN 978-3-319-27840-7/hbk; 978-3-319-27842-1/ebook). Trends in Mathematics, 1-11 (2016).
Fast algorithms and efficient GPU implementations for the Radon transform and the back-projection operator represented as convolution operators. (English) Zbl 1346.65070
A note on \(L^p\)-norms of quasi-modes. (English) Zbl 1364.35219
Li, Junfeng (ed.) et al., Some topics in harmonic analysis and applications. Special volume dedicated to Shanzhen Lu on the occasion of his 75th birthday. Somerville, MA: International Press; Beijing: Higher Education Press (ISBN 978-1-57146-315-9/pbk). Advanced Lectures in Mathematics (ALM) 34, 385-397 (2016).
Reviewer: Dumitru Motreanu (Perpignan)
A bounded \(p\)-norm approximation of MAX-convolution for sub-quadratic Bayesian inference on additive factors. (English) Zbl 1367.62072
A frequency-domain approach for the \(\text P_1\) approximation of time-dependent radiative transfer. (English) Zbl 1319.65126
Inverse Problems. Basics, theory and applied examples. (Inverse Probleme. Grundlagen, Theorie und Anwendungsbeispiele.) (German) Zbl 1331.65083
Mathematik im Fokus. Heidelberg: Springer Spektrum (ISBN 978-3-662-45810-5/pbk; 978-3-662-45811-2/ebook). ix, 128 p. (2015).
Reviewer: Robert Plato (Siegen)
MSC:
65J22
65-01
65L08
65L09
65Z05
00A69
00A06
65R32
65R30
65R10
44A12
45B05
45D05
65T50
65J20
47A52
47J06
94A12
92C55
65M32
65N21
Sharp estimates for holomorphic functions on the unit ball of \(\mathbb{C}^n\). (English) Zbl 1322.42015
A numerical inversion of the ray transform operator in refraction tomography. (Russian. English summary) Zbl 1327.44004
MSC:
44A30
Approximate reconstruction from ray integrals of a function on a domain with low refraction. (Russian, English) Zbl 1340.65310
Sib. Zh. Ind. Mat. 17, No. 4, 48-59 (2014); translation in J. Appl. Ind. Math. 9, No. 1, 36-46 (2015).
Analytic methods in convex geometry. (English) Zbl 1319.52008
Analytical and probabilistic methods in the geometry of convex bodies. Warsaw: Polish Academy of Science, Institute of Mathematics (ISBN 978-83-86806-24-9/pbk). IMPAN Lecture Notes 2, 87-183 (2014).
Reviewer: Rolf Schneider (Freiburg i. Br.)
On multivariate de la Vallée Poussin-type projection operators. (English) Zbl 1305.42007
Reviewer: Lalit Kumar Vashisht (Delhi)
Stability in the \(L_p\) Shephard problem. (English) Zbl 1315.52006
Reviewer: A. E. Litvak (Edmonton)
Approximating Lyapunov exponents and Sacker-Sell spectrum for retarded functional differential equations. (English) Zbl 1284.65082
A remark on multivariate projection operators. (English) Zbl 1299.41014
Reviewer: Delfina Roux (Milano)
Remarks on analytic projection on certain compact groups. (English) Zbl 1292.43002
Reviewer: M. J. Mehdipour (Shiraz)
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