Found 185 Documents (Results 1–100)
Extreme Points of Spectrahedrons. arXiv:2410.14889
Preprint, arXiv:2410.14889 [math.OC] (2024).
Divergence-free tensors and cofactors in geometry and fluid dynamics. (English) Zbl 1533.15018
Morel, Jean-Michel (ed.) et al., Mathematics going forward. Collected mathematical brushstrokes. Cham: Springer. Lect. Notes Math. 2313, 461-477 (2023).
Reviewer: Jacques Faraut (Paris)
Sharp nonzero lower bounds for the Schur product theorem. (English) Zbl 1483.15010
Reviewer: Frank Oertel (London)
Corner operators with symbol hierarchies. (English) Zbl 1478.35249
Reviewer: David Kapanadze (Tbilisi)
Asymptotic theory of dynamic boundary value problems in irregular domains. (English) Zbl 1472.35004
Operator Theory: Advances and Applications 284. Cham: Birkhäuser (ISBN 978-3-030-65371-2/hbk; 978-3-030-65374-3/pbk; 978-3-030-65372-9/ebook). xi, 399 p. (2021).
Reviewer: Lutz Recke (Berlin)
On some nonlinear parabolic equations with variable exponents and measure data. (English) Zbl 07836853
Using Markov chains to determine expected propagation time for probabilistic zero forcing. (English) Zbl 1453.60131
Dehn functions and Hölder extensions in asymptotic cones. (English) Zbl 1441.51005
Reviewer: George Stoica (Saint John)
On systems of commuting matrices, Frobenius Lie algebras and Gerstenhaber’s Theorem. arXiv:2002.08737
Preprint, arXiv:2002.08737 [math.RA] (2020).
MSC:
15A27
15B48
47B47
17B05
17B08
22E60
15A30
15A03
17B30
15A27
17B60
22E60
15A30
15A03
70G45
16W25
13B25
53A15
Weighted corner spaces. (English) Zbl 1485.35449
Criteria for embedding of generalized Bessel and Riesz potential spaces in rearrangement invariant spaces. (English) Zbl 1463.46047
MSC:
46E30
Alpha-beta log-determinant divergences between positive definite trace class operators. (English) Zbl 1519.47040
A characterization of boundary representations of positive matrices in the Hardy space via the Abel product. (English) Zbl 1429.46019
On cones of monotone functions on the positive semiaxis. (Russian. English summary) Zbl 1488.46051
Existence of solutions for a class of degenerate elliptic equations in \(P(x)\)-Sobolev spaces. (English) Zbl 06928841
Supervised nonnegative matrix factorization via minimization of regularized Moreau-envelope of divergence function with application to music transcription. (English) Zbl 1398.65131
Boundary representations of operator spaces, and compact rectangular matrix convex sets. (English) Zbl 1449.46047
Infinite-dimensional log-determinant divergences between positive definite trace class operators. (English) Zbl 06950133
New minimal hypersurfaces in \(\mathbb{R}^{(k+1)(2k+1)}\) and \(\mathbb{S}^{2k^2+3k}\). (English) Zbl 1381.53025
The disappearance of causality at small scale in almost-commutative manifolds. (English) Zbl 1384.46050
Generalizations of the Choe-Hoppe helicoid and Clifford cones in Euclidean space. (English) Zbl 1373.53005
Reviewer: Marina Ville (Paris)
Semiflows “monotone with respect to high-rank cones” on a Banach space. (English) Zbl 1359.34056
Reviewer: Rodica Luca (Iaşi)
Construction of isolated left orderings via partially central cyclic amalgamation. (English) Zbl 1339.06018
A Fiedler-type theorem for the determinant of \(J\)-positive matrices. (English) Zbl 1344.15005
Reviewer: Jorma K. Merikoski (Tampere)
Polyhedral structures associated with quasi-metrics. (Russian. English summary) Zbl 1441.51006
Representations of \(\ast\)-semigroups associated to invariant kernels with values adjointable operators. (English) Zbl 1335.47007
Linear Algebra Appl. 486, 361-388 (2015); corrigendum ibid. 589, 242–246 (2020).
Reviewer: Matheus Cheque Bortolan (Lima)
Basic relative invariants on the dual clans obtained by representations of Euclidean Jordan algebras. (English) Zbl 1389.17030
Geometrical and topological properties of a parameterized binary relation in vector optimization. (English) Zbl 1311.49058
Reviewer: Costica Mustăţa (Cluj-Napoca)
Olshanski spherical functions for infinite dimensional motion groups of fixed rank. (English) Zbl 1372.43008
Clans defined by representations of Euclidean Jordan algebras and associated basic relative invariants. (English) Zbl 1300.17024
Reviewer: László Stachó (Szeged)
Cones of partial metrics. (English) Zbl 1323.51004
Order-sharp estimates for Hardy-type operators on cones of quasimonotone functions. (English) Zbl 1261.47061
When is a Riesz distribution a complex measure? (English. French summary) Zbl 1263.43003
Reviewer: Aubrey Wulfsohn (Coventry)
Convexity of the inverse and Moore-Penrose inverse. (English) Zbl 1215.15004
Reviewer: Mihail Voicu (Iaşi)
Isotone retraction cones in Hilbert spaces. (English) Zbl 1241.46001
Reviewer: Karim Boulabiar (Tunis)
A note on infinite extreme correlation matrices. (English) Zbl 1153.15027
Reviewer: Rabe von Randow (Bonn)
Groups acting on tree-graded spaces and splittings of relatively hyperbolic groups. (English) Zbl 1138.20024
Reviewer: Andrzej Szczepański (Gdańsk)
Positive polynomials in scalar and matrix variables, the spectral theorem, and optimization. (English) Zbl 1199.47001
Bakonyi, Mihály (ed.) et al., Operator theory, structured matrices, and dilations. Tiberiu Constantinescu memorial volume. Bucharest: Theta (ISBN 978-973-87899-0-6). Theta Series in Advanced Mathematics 7, 229-306 (2007).
Positive real matrices in indefinite inner product spaces and invariant maximal semidefinite subspaces. (English) Zbl 1120.15024
Reviewer: Erich W. Ellers (Toronto)
Bessel convolutions on matrix cones. (English) Zbl 1115.33011
Reviewer: Michael Voit (Dortmund)
Hilbert’s projective metric on Lorentz cones and Birkhoff formula for Lorentzian compressions. (English) Zbl 1117.47026
Reviewer: Kazim Ilarslan (Kirikkale)
Some new solvability results for a new system of nonlinear operator equations with perturbations. (English) Zbl 1153.47310
On monotonic solutions of the Schröder equation in Banach spaces. (English) Zbl 1104.39020
Reviewer: Claudi Alsina (Barcelona)
Positive definite matrices and differentiable reproducing kernel inequalities. (English) Zbl 1106.47022
Reviewer: Khristo N. Boyadzhiev (Ada)
Differential recursion relations for Laguerre functions on symmetric cones. (English) Zbl 1091.33005
Reviewer: Michael Voit (Dortmund)
The Koenigs embedding problem for linear fractional maps of operator balls. (English. Russian original) Zbl 1127.47310
Dokl. Math. 72, No. 1, 584-586 (2005); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 403, No. 5, 607-609 (2005).
Reviewer: Aleksandar Perović (Berlin)
Jordan algebras, geometry of Hermitian symmetric spaces and non-commutative Hardy spaces. (English) Zbl 1070.22010
Seminar on Mathematical Sciences 33. Yokohama: Keio University, Department of Mathematics. 70 p. (2005).
Reviewer: Joachim Hilgert (Paderborn)
Filling in solvable groups and in lattices in semisimple groups. (English) Zbl 1083.20033
Reviewer: Lucy Lifschitz (Norman)
A remark on Lorentz algebras. (English) Zbl 1049.17028
Invariant Hilbert spaces of holomorphic functions. (Espaces Hilbertienes invariants de fonctions holomorphes.) (French) Zbl 1044.46023
Analysis on Lie groups and representation theory. Proceedings of the summer school, Kénitra, France, 1999. Paris: Société Mathématique de France (ISBN 2-85629-142-2/pbk). Sémin. Congr. 7, 101-167 (2003).
Reviewer: Gheorghe Gussi (Bucureşti)
Positive definite functions on infinite-dimensional convex cones. (English) Zbl 1039.43009
Mem. Am. Math. Soc. 789, 128 p. (2003).
Reviewer: Aleksandr K. Guts (Omsk)
Construction of many Hamiltonian stationary Lagrangian surfaces in Euclidean four-space. (English) Zbl 1042.53004
A fixed point theorem on mixed monotone operators. (English) Zbl 1041.47042
Reviewer: Jürgen Appell (Würzburg)
Interpolation of cones and shape-preserving approximation. (English) Zbl 1018.41001
Reviewer: Yuri A.Brudnyi (Haifa)
Combinatorial fans, lattice-ordered groups, and their neighbours: A short excursion. (English) Zbl 1031.06011
Reviewer: J.Rachůnek (Olomouc)
Finite dimensional backward shift invariant subspaces of Arveson spaces. (English) Zbl 1019.46023
Reviewer: Paul McGuire (Lewisburg)
Inner products on ordered cones. (English) Zbl 1007.46004
Reviewer: Gerald Hofmann (Leipzig)
On intersections with hypersurfaces and normal pseudo-flatness. (English) Zbl 0962.32015
Reviewer: Vasily A.Chernecky (Odessa)
Positive Riesz distributions on homogeneous cones. (English) Zbl 0954.43003
Reviewer: Hidenori Fujiwara (Iizuka)
Semidefiniteness without real symmetry. (English) Zbl 0953.15023
Reviewer: Nikolai I.Osetinski (Moskva)
Fixed point theorems in ordered Banach algebras and applications. (English) Zbl 0964.47026
Reviewer: Jürgen Appell (Würzburg)
A family of stratified area-minimizing cones. (English) Zbl 0959.49024
Reviewer: H.Parks (Corvallis)
Best approximation from the intersection of a closed convex set and a polyhedron in Hilbert space, weak Slater conditions, and the strong conical hull intersection property. (English) Zbl 0957.41025
Reviewer: Ioan Şerb (Cluj-Napoca)
Polynômes positifs sur des ensembles semi-algébriques. (Positive polynomials on semi-algebraic sets.) (English. Abridged French version) Zbl 0973.14031
Reviewer: G.Ishikawa (Sapporo)
Convex cones in analysis. Postface by Gustave Choquet. (Cônes convexes en analyse. Postface de Gustave Choquet.) (French) Zbl 0942.46002
Travaux en Cours. 59. Paris: Hermann. 245 p. (1999).
Reviewer: A.L.Brown (Chandigarh)
Generalizations of Voronoï I to symmetric spaces and arithmetic groups. (English) Zbl 0981.11015
Engel, P. (ed.) et al., Voronoï’s impact on modern science. Book I. Transl. from the Ukrainian. Kyiv: Institute of Mathematics. Proc. Inst. Math. Natl. Acad. Sci. Ukr., Math. Appl. 21(1), 155-185 (1998).
Reviewer: V.V.Nekrashevych (Kyïv)
Relations between solid cones and cones satisfying angle property. (Chinese. English summary) Zbl 0940.46002
MSC:
46A40
Qualification conditions for calculus rules of coderivatives of multivalued mappings. (English) Zbl 0904.46030
Reviewer: S.Koshi (Sapporo)
Thron’s theorems in Banach spaces. (English) Zbl 0910.39005
Reviewer: Stefan Czerwik (Gliwice)
Minimax inequalities for vector-valued mappings on \(W\)-spaces. (English) Zbl 0862.47047
Reviewer: J.Appell (Würzburg)
Leray-Schauder type theorems for multi-valued maps in topological vector spaces. (English) Zbl 0940.47046
Rao, Geetha S. (ed.), Approximation theory and its applications. Proceedings of the symposium, Madras, India, March 26-31, 1993. New Delhi: New Age International Publishers. 116-129 (1996).
Spaces of valuations. (English) Zbl 0905.54006
Andima, Susan (ed.) et al., Papers on general topology and applications. Papers presented at the 11th summer conference at the University of Southern Maine, Gorham, ME, USA, August 10–13, 1995. New York, NY: The New York Academy of Sciences. Ann. N. Y. Acad. Sci. 806, 174-200 (1996).
Reviewer: J.D.Lawson (Baton Rouge)
About positive operators on vector bundles. (English) Zbl 0909.47040
Reviewer: U.Kosel (Freiberg)
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