Found 1,374 Documents (Results 1–100)
Congruence-simple acts over completely simple semigroups. (English. Russian original) Zbl 07915938
J. Math. Sci., New York 284, No. 4, 501-507 (2024); translation from Fundam. Prikl. Mat. 24, No. 4, 133-142 (2023).
Reviewer: Denis V. Solomatin (Omsk)
Some aspects of remote state restoring in state transfer governed by XXZ-Hamiltonian. (English) Zbl 07896192
Wiener-Hopf indices of unimodular functions on the unit circle, revisited. (English) Zbl 07874832
Reviewer: Adhemar Bultheel (Leuven)
Advanced linear algebra. 2nd edition. (English) Zbl 1541.15003
Textbooks in Mathematics. Boca Raton, FL: CRC Press (ISBN 978-1-032-76572-3/hbk; 978-1-032-77742-9/pbk; 978-1-003-48456-1/ebook). xxii, 634 p. (2024).
Well-covered unitary Cayley graphs of matrix rings over finite fields and applications. (English) Zbl 1536.05239
Construction of some new entanglement-assisted quantum error-correcting codes of large lengths. (English) Zbl 07840575
On the diagonal product of special unitary matrices. (English) Zbl 1542.15008
Reviewer: Jorma K. Merikoski (Tampere)
Comparison of Petrov’s odd elementary hyperbolic unitary group and Dickson-Siegel-Eichler-Roy elementary orthogonal group. (English) Zbl 1539.19005
Reviewer: Sourjya Banerjee (Kolkata)
Convergence of the logarithm of the characteristic polynomial of unitary Brownian motion in Sobolev space. (English) Zbl 1534.60109
Subgraph of unitary Cayley graph of matrix algebras induced by idempotent matrices. (English) Zbl 1531.05117
Eigenvectors of the square grid plus GUE. (English) Zbl 1534.60011
Reviewer: Weiping Li (Guanghan)
GUE via Frobenius manifolds. I: From matrix gravity to topological gravity and back. (English) Zbl 1530.53086
Parallel transport on matrix manifolds and Exponential Action. arXiv:2408.06054
Preprint, arXiv:2408.06054 [math.NA] (2024).
Truncations of random unitary matrices drawn from Hua-Pickrell distribution. (English) Zbl 07918449
Albrecht, Ernst (ed.) et al., Multivariable operator theory. The Jörg Eschmeier memorial volume. Cham: Birkhäuser. 491-514 (2023).
Dilation theory and functional models for tetrablock contractions. (English) Zbl 07918433
Albrecht, Ernst (ed.) et al., Multivariable operator theory. The Jörg Eschmeier memorial volume. Cham: Birkhäuser. 37-76 (2023).
Quantum version of Euler’s problem: a geometric perspective. (English) Zbl 07914655
Kielanowski, Piotr (ed.) et al., Geometric methods in physics XXXIX. Workshop, Białystok, Poland, June 19–25, 2022. Cham: Birkhäuser. Trends Math., 105-133 (2023).
Description of the spectrum of one fourth-order operator matrix. (Russian. English summary) Zbl 07815841
Factorization for the full-line matrix Schrödinger equation and a unitary transformation to the half-line scattering. (English) Zbl 1530.34073
The \(C\)-numerical range and unitary dilations. (English) Zbl 07794404
Reviewer: Andrzej Sołtysiak (Poznań)
Constructing the field of values of decomposable and general matrices using the ZNN based path following method. (English) Zbl 07790630
Duality of \(O(N)\) and \(Sp(N)\) random tensor models: tensors with symmetries. (English) Zbl 1536.81160
Wave matrix Lindbladization. II: General Lindbladians, linear combinations, and polynomials. (English) Zbl 1535.81165
Hankel determinants for a Gaussian weight with Fisher-Hartwig singularities and generalized Painlevé IV equation. (English) Zbl 1542.15009
On normal and binormal matrices. (English. Russian original) Zbl 1526.15005
Mosc. Univ. Comput. Math. Cybern. 47, No. 1, 19-22 (2023); translation from Vestn. Mosk. Univ., Ser. XV 2023, No. 1, 28-31 (2023).
On 3-by-3 row stochastic matrices. (English) Zbl 1525.15026
MSC:
15B51
Hermitian matrices over \(K\)-octonions and their diagonalizations. (English) Zbl 1525.15023
Reviewer: Roksana Słowik (Gliwice)
Summing free unitary Brownian motions with applications to quantum information. (English) Zbl 1530.81019
Asymptotic expansion of Toeplitz determinants of an indicator function with discrete rotational symmetry and powers of random unitary matrices. (English) Zbl 1522.15031
Decay estimates for matrix coefficients of unitary representations of semisimple Lie groups. (English) Zbl 1528.22007
Fast computation of error bounds for all eigenpairs of a Hermitian and all singular pairs of a rectangular matrix with emphasis on eigen- and singular value clusters. (English) Zbl 1517.65025
Spherical induced ensembles with symplectic symmetry. (English) Zbl 1518.60006
Reviewer: Ludwig Paditz (Dresden)
Mutually unbiased special entangled bases with Schmidt number \(2d\) in \(\mathbb{C}^{2 d + 1}\otimes \mathbb{C}^{4 d} \). (English) Zbl 1515.81067
Visualization for Petrov’s odd unitary group. (English) Zbl 1520.20105
Reviewer: Erich W. Ellers (Toronto)
On the Rellich eigendecomposition of para-Hermitian matrices and the sign characteristics of \(\ast \)-palindromic matrix polynomials. (English) Zbl 1518.15017
Reviewer: Julio Benítez Lopez (Valencia)
Lyapunov exponents for truncated unitary and Ginibre matrices. (English) Zbl 1521.60004
Reviewer: Zakhar Kabluchko (Münster)
A new definition of hitting time and an embedded Markov chain in continuous-time quantum walks. (English) Zbl 1542.81040
Unitary matrix integrals, symmetric polynomials, and long-range random walks. (English) Zbl 1538.82017
Circuit implementation of discrete-time quantum walks via the shunt decomposition method. (English) Zbl 1509.81309
Small deviation estimates for the largest eigenvalue of Wigner matrices. (English) Zbl 1518.15040
Reviewer: Ali Bereyhi (Erlangen)
Scattering in integrable pp-wave backgrounds: \(S\)-matrix and absence of particle production. (English) Zbl 1520.83018
Mutually unbiased special entangled bases with Schmidt number \(2d\) in \(\mathbb{C}^{2d+1}\otimes \mathbb{C}^{4d} \). (English) Zbl 1515.81066
Homogeneous and nonhomogeneous linear trigonometric moment problem and recursiveness. (English) Zbl 1543.47042
Truncations of random unitary matrices drawn from Hua-Pickrell distribution. (English) Zbl 1502.60007
Commutators of relative and unrelative elementary unitary groups. (English) Zbl 1522.20209
St. Petersbg. Math. J. 34, No. 1, 45-77 (2023) and Algebra Anal. 34, No. 1, 61-104 (2022).
Reviewer: Rabeya Basu (Pune)
A remark on construction of \(J\)-unitary matrix polynomials. (English) Zbl 1534.15013
Reviewer: Adhemar Bultheel (Leuven)
MSC:
15A23
Trace formula for contractions and its representation in \(\mathbb{D}\). (English) Zbl 1538.47018
Reviewer: Andrzej Sołtysiak (Poznań)
Entropy of a unitary operator in \(\mathbb{C}^J\). (English. Russian original) Zbl 1540.47031
Math. Notes 112, No. 6, 984-1002 (2022); translation from Mat. Zametki 112, No. 6, 903-923 (2022).
Reversible computation in integrated photonics. (English) Zbl 07615938
Mezzina, Claudio Antares (ed.) et al., Reversible computation. 14th international conference, RC 2022, Urbino, Italy, July 5–6, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13354, 3-19 (2022).
Conjectured DXZ decompositions of a unitary matrix. (English) Zbl 1498.15015
Reviewer: John D. Dixon (Ottawa)
On the partial transpose of a Haar unitary matrix. (English) Zbl 1504.60015
Reviewer: Göran Högnäs (Åbo)
Two families of compactly supported Parseval framelets in \(L^2( \mathbb{R}^d)\). (English) Zbl 1504.42103
Reviewer: Ashok Kumar Sah (New Delhi)
Topological expansion in isomorphism theorems between matrix-valued fields and random walks. (English. French summary) Zbl 1492.60089
On multivariable matrix spectral factorization method. (English) Zbl 1507.47044
Reviewer: Adhemar Bultheel (Leuven)
A numerical range characterization of unitary matrices over a finite field. (English) Zbl 1498.15038
An unusual criterion for normality of nonsingular matrices. (English. Russian original) Zbl 1491.15005
Mosc. Univ. Comput. Math. Cybern. 46, No. 1, 8-11 (2022); translation from Vestn. Mosk. Univ., Ser. XV 2022, No. 1, 9-12 (2022).
On the generalization of the Janashia-Lagvilava method for arbitrary fields. (English) Zbl 07536925
MSC:
47A68
Linear constraint problem of Hermitian unitary symplectic matrices. (English) Zbl 1490.15054
Reviewer: Julio Benítez Lopez (Valencia)
Quotients of the Bruhat-Tits tree by arithmetic subgroups of special unitary groups. (English) Zbl 1514.20194
Reviewer: Egle Bettio (Venezia)
Subordinacy theory for extended CMV matrices. (English) Zbl 1503.47042
MSC:
47B36
Constructions of optimal Hermitian self-dual codes from unitary matrices. (English) Zbl 1493.94057
Reviewer: Andrea Svob (Rijeka)
The \(p\)-norm of circulant matrices via Fourier analysis. (English) Zbl 1489.15041
Reviewer: Mohammad Sababheh (Amman)
The spectra of principal submatrices in rotationally invariant Hermitian random matrices and the Markov-Krein correspondence. (English) Zbl 1492.46058
The solution of the matrix equation \(AXB=D\) and The system of matrix equations \(AX=C\), \(XB=D\) with \(X^*X=I_p\). (English) Zbl 1510.15032
On the unitary block-decomposability of 1-parameter matrix flows and static matrices. (English) Zbl 1486.15019
Numer. Algorithms 89, No. 2, 529-549 (2022); correction ibid. 89, No. 3, 1413-1414 (2022).
Reviewer: Chen Sheng (Harbin)
Universality of Weyl unitaries. (English) Zbl 1482.15013
Reviewer: Bojan Kuzma (Ljubljana)
On unitary Cayley graphs of matrix rings. (English) Zbl 1479.05141
Reviewer: Marcin Anholcer (Poznań)
Sampling matrices from Harish-Chandra-Itzykson-Zuber densities with applications to quantum inference and differential privacy. (English) Zbl 07765256
Khuller, Samir (ed.) et al., Proceedings of the 53rd annual ACM SIGACT symposium on theory of computing, STOC ’21, virtual, Italy, June 21–25, 2021. New York, NY: Association for Computing Machinery (ACM). 1384-1397 (2021).
MSC:
68Qxx
Low-frequency scattering defined by the Helmholtz equation in one dimension. (English) Zbl 1519.81480
Dilations of unitary tuples. (English) Zbl 1510.47009
Unitary matrix decompositions for optimal and modular linear optics architectures. (English) Zbl 1519.15025
Multivariate normal approximation for traces of random unitary matrices. (English) Zbl 1486.60014
Reviewer: Uwe Franz (Besançon)
On subgroups of the projective special linear group containing the projective special unitary group. (English) Zbl 1477.20098
The relation between the numerical range \(W(\mathbf{A}^n)\) and \(W(\mathbf{A})\) for the \(2 \times 2\) complex matrix. (English) Zbl 1513.15040
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