Complete positivity and a quaternionic moment problem.
- Published in:
- Positivity, 2021, v. 25, n. 2, p. 751, doi. 10.1007/s11117-020-00785-3
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- Publication type:
- Article
Works matching DE "INNER product spaces"
Results: 492
1
2
A Jensen–Sherman type inequality with a control map for G-invariant convex functions.
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- Positivity, 2021, v. 25, n. 2, p. 431, doi. 10.1007/s11117-020-00769-3
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- Publication type:
- Article
3
Existence of positive homoclinic solutions for damped differential equations.
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- Positivity, 2017, v. 21, n. 4, p. 1353, doi. 10.1007/s11117-017-0471-3
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- Publication type:
- Article
4
Pontryagin space structure in reproducing kernel Hilbert spaces over *-semigroups.
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- Positivity, 2011, v. 15, n. 1, p. 161, doi. 10.1007/s11117-010-0048-x
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- Publication type:
- Article
5
Uniform existence of the integrated density of states for models on $${\mathbb{Z}}^d$$.
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- Positivity, 2008, v. 12, n. 4, p. 571, doi. 10.1007/s11117-008-2238-3
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- Article
6
Nonnegative Moore-Penrose inverses of operators over Hilbert spaces.
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- Positivity, 2008, v. 12, n. 3, p. 475, doi. 10.1007/s11117-007-2173-8
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- Article
7
A Padé family of iterations for the matrix sector function and the matrix pth root.
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- Numerical Linear Algebra with Applications, 2009, v. 16, n. 11/12, p. 951, doi. 10.1002/nla.656
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- Article
8
Mesh-independent convergence of the modified inexact Newton method for a second order non-linear problem.
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- Numerical Linear Algebra with Applications, 2006, v. 13, n. 1, p. 23, doi. 10.1002/nla.460
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- Publication type:
- Article
9
A method for solving quantile optimization problems with a bilinear loss function.
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- Automation & Remote Control, 2015, v. 76, n. 9, p. 1582, doi. 10.1134/S0005117915090052
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- Publication type:
- Article
10
Orthogonality induced by norm derivatives: a new geometric constant and symmetry.
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- Aequationes Mathematicae, 2025, v. 99, n. 3, p. 883, doi. 10.1007/s00010-025-01154-9
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- Publication type:
- Article
11
A functional equation related to Wigner's theorem.
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- Aequationes Mathematicae, 2024, v. 98, n. 3, p. 885, doi. 10.1007/s00010-024-01042-8
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- Article
12
Some study of the approximate Birkhoff orthogonality and orthogonality of bounded linear operators.
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- Aequationes Mathematicae, 2024, v. 98, n. 3, p. 819, doi. 10.1007/s00010-023-00990-x
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- Article
13
An orthogonality type based on invariant inner products.
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- Aequationes Mathematicae, 2023, v. 97, n. 4, p. 707, doi. 10.1007/s00010-023-00962-1
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- Article
14
On restricted functional inequalities associated with quadratic functional equations.
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- Aequationes Mathematicae, 2022, v. 96, n. 4, p. 763, doi. 10.1007/s00010-022-00872-8
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- Article
15
Homogeneity of isosceles orthogonality, transitivity of the norm, and characterizations of inner product spaces.
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- Aequationes Mathematicae, 2021, v. 95, n. 5, p. 953, doi. 10.1007/s00010-021-00841-7
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- Article
16
A Birkhoff-James cosine function for normed linear spaces.
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- Aequationes Mathematicae, 2021, v. 95, n. 5, p. 889, doi. 10.1007/s00010-021-00791-0
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- Article
17
Characterizations of inner product spaces via angular distances and Cauchy–Schwarz inequality.
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- Aequationes Mathematicae, 2021, v. 95, n. 1, p. 147, doi. 10.1007/s00010-020-00735-0
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- Article
18
Phase-isometries between two ℓp(Γ,H)-type spaces.
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- Aequationes Mathematicae, 2020, v. 94, n. 5, p. 793, doi. 10.1007/s00010-020-00723-4
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- Article
19
The James constant in Radon planes.
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- Aequationes Mathematicae, 2020, v. 94, n. 2, p. 201, doi. 10.1007/s00010-020-00698-2
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- Article
20
Approximately orthogonality preserving maps in Krein spaces.
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- Aequationes Mathematicae, 2020, v. 94, n. 1, p. 137, doi. 10.1007/s00010-019-00695-0
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- Article
21
p-angular distance orthogonality.
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- Aequationes Mathematicae, 2020, v. 94, n. 1, p. 103, doi. 10.1007/s00010-019-00664-7
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- Article
22
The Fifty-sixth International Symposium on Functional Equations Bildungshaus Mariatrost, Graz (Austria), June 17–24, 2018.
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- 2019
- Publication type:
- Calendar
23
The images of orthogonally additive mappings from inner product spaces to groups.
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- Aequationes Mathematicae, 2019, v. 93, n. 3, p. 641, doi. 10.1007/s00010-018-0590-3
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- Article
24
Orthogonalities, linear operators, and characterization of inner product spaces.
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- Aequationes Mathematicae, 2017, v. 91, n. 5, p. 969, doi. 10.1007/s00010-017-0494-7
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- Publication type:
- Article
25
An orthogonality in normed linear spaces based on angular distance inequality.
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- Aequationes Mathematicae, 2016, v. 90, n. 2, p. 281, doi. 10.1007/s00010-014-0333-z
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- Publication type:
- Article
26
Temporal Commutation Errors in Large-Eddy Simulation.
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- ZAMM -- Journal of Applied Mathematics & Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2001, v. 81, p. 467, doi. 10.1002/zamm.20010811513
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- Article
27
Verified construction of fully symmetric cubature formulae of degree 4k-1 with few nodes for fully symmetric planar regions using invariant theory.
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- ZAMM -- Journal of Applied Mathematics & Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 1998, v. 78, p. 895, doi. 10.1002/zamm.19980781520
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- Article
28
VECTOR MEASURES ARE OPEN MAPS.
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- Mathematics of Operations Research, 1984, v. 9, n. 3, p. 471, doi. 10.1287/moor.9.3.471
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- Article
29
Analyticity of Semigroups Generated by a Class of Differential Operators with Matrix Coefficients and Interface.
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- Semigroup Forum, 2005, v. 71, n. 1, p. 1, doi. 10.1007/s00233-004-0173-6
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- Article
30
PSEUDO MATRIX MULTIPLICATION.
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- Communications Series A1 Mathematics & Statistics, 2017, v. 66, n. 2, p. 37, doi. 10.1501/Commua1_0000000798
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- Article
31
CHARACTERIZATIONS OF INCLINED CURVES WHICH IS CONCERNED WITH OSCULATING SPHERE IN Ln FOR SPACE-LIKE CURVES.
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- Communications Series A1 Mathematics & Statistics, 2009, v. 58, n. 2, p. 11, doi. 10.1501/commua1_0000000649
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- Article
32
On Lorentz --Minkowski geometry in real inner product spaces.
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- Advances in Geometry, 2003, v. 3, p. S1, doi. 10.1515/advg.2003.2003.s1.1
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- Publication type:
- Article
33
k-QUASI-A-PARANORMAL OPERATORS IN SEMI-HILBERTIAN SPACES.
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- Operators & Matrices, 2022, v. 16, n. 3, p. 623, doi. 10.7153/oam-2022-16-46
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- Publication type:
- Article
34
Pullback attractors in H¹(R<sup>N</sup>) for non-autonomous nonclassical diffusion equations.
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- Dynamical Systems: An International Journal, 2014, v. 29, n. 1, p. 106, doi. 10.1080/14689367.2013.854317
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- Article
35
ρ<sub>*</sub><sup>∞</sup>-Orthogonality and its Geometrical Properties.
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- Palestine Journal of Mathematics, 2025, v. 14, n. 1, p. 683
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- Publication type:
- Article
36
EUCLIDEAN OPERATOR RADIUS INEQUALITIES FOR HILBERT C*-MODULES.
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- Palestine Journal of Mathematics, 2024, v. 13, n. 4, p. 756
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- Publication type:
- Article
37
Linear Mapping Preserving Non-Zero Angles.
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- Palestine Journal of Mathematics, 2023, v. 12, n. 2, p. 263
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- Publication type:
- Article
38
Selberg Type Inequalities in 2-*-semi inner product space and its applications.
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- Palestine Journal of Mathematics, 2022, v. 11, n. 1, p. 285
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- Publication type:
- Article
39
High-order variations and small-time local attainability.
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- Control & Cybernetics, 2010, v. 39, n. 4, p. 1411
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- Publication type:
- Article
40
On external and internal approximations for reachability sets of bilinear systems.
- Published in:
- Doklady Mathematics, 2014, v. 90, n. 2, p. 646, doi. 10.1134/S1064562414060052
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- Publication type:
- Article
41
Description of the operator dual to the multiplication operator in fock space.
- Published in:
- Doklady Mathematics, 2012, v. 86, n. 3, p. 760, doi. 10.1134/S1064562412060105
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- Publication type:
- Article
42
Equations of the form xx̅ = A with Skew-Hamiltonian matrices A.
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- Doklady Mathematics, 2012, v. 85, n. 3, p. 388, doi. 10.1134/S1064562412030271
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- Publication type:
- Article
43
Classification of classical Friedrichs differential operators: One-dimensional scalar case.
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- Communications on Pure & Applied Analysis, 2022, v. 21, n. 10, p. 3499, doi. 10.3934/cpaa.2022112
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- Publication type:
- Article
44
Elliptic problems with rough boundary data in generalized Sobolev spaces.
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- Communications on Pure & Applied Analysis, 2021, v. 20, n. 2, p. 697, doi. 10.3934/cpaa.2020286
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- Publication type:
- Article
45
Generalized A-Numerical Radius of Operators and Related Inequalities.
- Published in:
- Bulletin of the Iranian Mathematical Society, 2022, v. 48, n. 6, p. 3883, doi. 10.1007/s41980-022-00727-7
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- Publication type:
- Article
46
Weighted Moore–Penrose Inverses Associated with Weighted Projections on Indefinite Inner Product Spaces.
- Published in:
- Bulletin of the Iranian Mathematical Society, 2021, v. 47, n. 4, p. 1121, doi. 10.1007/s41980-020-00432-3
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- Publication type:
- Article
47
Equivalent fuzzy strong n-inner product space.
- Published in:
- International Journal of Open Problems in Computer Science & Mathematics, 2011, v. 4, n. 4, p. 26
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- Article
48
A Common Random Fixed Point Theorem for Contractive Type Mapping in Hilbert Space.
- Published in:
- International Journal of Open Problems in Computer Science & Mathematics, 2011, v. 4, n. 3, p. 262
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- Publication type:
- Article
49
Partial Inner Product Spaces: Some Categorical Aspects.
- Published in:
- Advances in Mathematical Physics, 2011, p. 1, doi. 10.1155/2011/957592
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- Publication type:
- Article
50
Quantum-inspired learning vector quantizers for prototype-based classification: Confidential: for personal use only—submitted to Neural Networks and Applications 5/2020.
- Published in:
- Neural Computing & Applications, 2022, v. 34, n. 1, p. 79, doi. 10.1007/s00521-020-05517-y
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- Publication type:
- Article