Found 59 Documents (Results 1–59)
On \(G\)-majorization inequalities for gradients of \(G\)-increasing functions. (English) Zbl 07681798
On the positive semi-definite \(p\)th roots of positive semi-definite doubly stochastic matrices. (English) Zbl 1498.15045
Stability and distance to instability for polynomial matrix families. Complex perturbations. (English) Zbl 1493.15053
Reviewer: Olga M. Katkova (Boston)
On optimality and construction of row designs under dependence for estimating means. (English) Zbl 1493.62461
Pre-order between diagonal elements and singular values of real matrices. (English) Zbl 1420.15009
Reviewer: John D. Dixon (Ottawa)
Perfect quantum state transfer in weighted paths with potentials (loops) using orthogonal polynomials. (English) Zbl 1411.81073
Explicit inversion of band Toeplitz matrices by discrete Fourier transform. (English) Zbl 1396.15026
The average number of critical rank-one approximations to a tensor. (English) Zbl 1358.15015
Reviewer: John D. Dixon (Ottawa)
Weakening the conditions in some classical theorems on linear preserver problems. (English) Zbl 1344.15014
Reviewer: Janko Marovt (Maribor)
A new approach to Bezout equations derived from multivariate polynomial matrices and real entire functions. (English) Zbl 1334.15045
Reviewer: Rabe von Randow (Bonn)
Some new trace formulas of tensors with applications in spectral hypergraph theory. (English) Zbl 1310.15042
Reviewer: A. Arvanitoyeorgos (Patras)
A topological approach to left eigenvalues of quaternionic matrices. (English) Zbl 1290.15010
Reviewer: Dmitri Artamonov (Moscow)
Commuting traces of multiadditive maps on invertible and singular matrices. (English) Zbl 1292.15026
Reviewer: Péter E. Frenkel (Budapest)
Backward errors for eigenvalues and eigenvectors of Hermitian, skew-Hermitian, \(H\)-even and \(H\)-odd matrix polynomials. (English) Zbl 1278.65036
Reviewer: Costică Moroşanu (Iaşi)
Remarks and open problems on the minimum permanent of acyclic doubly stochastic matrices. (English) Zbl 1261.15040
Upper and lower bounds for the Perron root of a nonnegative matrix. (English) Zbl 1262.15021
Reviewer: Fozi Dannan (Damascus)
Matrix functions nonregular on the convex hull of the spectrum. (English) Zbl 1258.15006
Reviewer: Valeriu Prepeliţă (Bucureşti)
Construction, properties and statistical applications of positive definite intraclass matrix. (English) Zbl 1223.15041
Reviewer: Igor Klep (Auckland)
An inversion formula for a matrix polynomial about a (unit) root. (English) Zbl 1219.15005
Reviewer: K. C. Sivakumar (Chennai)
Jensen matrix inequalities and direct sums. (English) Zbl 1205.15035
Reviewer: Martín Argerami (Regina)
Bounds for the zeros of polynomials from matrix inequalities. II. (English) Zbl 1108.30006
Reviewer: Vania Mascioni (Muncie)
Spectral representation of analytic diagonalizable matrix-valued functions that commute with their derivative. (English) Zbl 1004.15026
Reviewer: Václav Burjan (Praha)
Extremal matrices in certain determinantal inequalities. (English) Zbl 0928.15013
Reviewer: A.R.Kräuter (Leoben)
A note on singular matrices satisfying certain polynomial identities. (English) Zbl 0887.15022
Reviewer: R.Covaci (Cluj-Napoca)
Factorization of a singular matrix into nilpotent matrices with prescribed ranks. (English) Zbl 0816.15011
Reviewer: E.Ellers (Toronto)
Another determinant condensation formula. (English) Zbl 0727.15006
Reviewer: A.R.Kräuter (Leoben)
The Binet-Cauchy theorem and inequalities for the Schur power matrix. (English) Zbl 0742.15008
Reviewer: G.E.Wall (Sydney)
Rationality of certain field of invariant functions. (English) Zbl 0712.15034
Reviewer: I.V.Dolgachev
Linear operators preserving certain functions on singular values of matrices. (English) Zbl 0703.15024
Reviewer: A.A.Jafarian
A note on the determinants and eigenvalues of distance matrices. (English) Zbl 0681.15009
Reviewer: K.H.Kim
Two determinant condensation formulas. (English) Zbl 0638.15004
Reviewer: Yueh-er Kuo
Addendum: On the eigenvalue problem for Toeplitz matrices generated by rational functions. (English) Zbl 0613.15006
Reviewer: J.de Graaf
Matrix equation, matrix polynomial and the number of zeros of a polynomial inside the unit circle. (English) Zbl 0454.30010
On a theorem of A. Ostrowski. (English) Zbl 0431.15009
On a theorem of Čebotarev. (English) Zbl 0335.15010
Reviewer: Morris Newman
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