Found 1,988 Documents (Results 101–200)
The Mazur-Ulam property for uniform algebras. (English) Zbl 1497.46008
Reviewer: Jan-David Hardtke (Leipzig)
Algebraic reflexivity of isometries on spaces of continuously differentiable functions. (English) Zbl 07545267
Banach-Stone theorem for isometries on spaces of vector-valued differentiable functions. (English) Zbl 1500.46032
Metric equivalences of Heintze groups and applications to classifications in low dimension. (English) Zbl 1508.53061
Connected components of Isom\((\mathbb{H}^3)\)-representations of non-orientable surfaces. (English) Zbl 1491.57019
Reviewer: Andrzej Szczepański (Gdańsk)
MSC:
57M05
2-topological reflexivity of sets of isometries between bounded variation function spaces. (English) Zbl 1506.46010
Reviewer: Fernanda Botelho (Memphis)
Surjective isometries between unitary sets of unital JB\(^\ast \)-algebras. (English) Zbl 1531.46050
Wold-type decomposition of semigroups of isometries in Baer \(\ast\)-rings. II. (English) Zbl 1501.47030
Relating boundary and interior solutions of the cohomological equation for cocycles by isometries of negatively curved spaces. The Li\v{v}sic case. (English) Zbl 1496.37050
Reviewer: Jairo Bochi (University Park)
Hyers-Ulam stability of \(\varepsilon \)-isometries between the positive cones of \(c_0\). (English) Zbl 1487.46011
Reviewer: Johann Langemets (Tartu)
On \(p\)-parabolicity of Riemannian manifolds and graphs. (English) Zbl 1492.53061
Reviewer: Patrick Eberlein (Chapel Hill)
On the semigroup of order-preserving partial isometries of a finite chain with restricted range. (English) Zbl 1490.20042
Reviewer: Ilinka Dimitrova (Blagoevgrad)
MSC:
20M20
On the cyclic automorphism of the Cuntz algebra and its fixed-point algebra. (English) Zbl 1485.46067
Weighted composition operators: isometries and asymptotic behaviour. (English) Zbl 1516.47049
Reviewer: Manfred Stoll (Columbia)
\(\ell^1\)-contractive maps on noncommutative \(L^p\)-spaces. (English) Zbl 1538.46084
Reviewer: Stanisław Goldstein (Łódź)
Integral operators, embedding theorems, Taylor coefficients, isometries, boundary behaviour of area-Nevanlinna type spaces in higher dimension and related problems. (English) Zbl 1502.47062
Generalized powers and measures. (English) Zbl 1511.47025
Reviewer: Costică Moroşanu (Iaşi)
Isometries of the hypercube: a tool for Boolean regulatory networks analysis. (English) Zbl 1491.37040
Polar decompositions of quaternion matrices in indefinite inner product spaces. (English) Zbl 1482.15026
Nonlinear \((m,\infty )\)-isometries and \((m,\infty )\)-expansive (contractive) mappings on normed spaces. (English) Zbl 1510.47066
MSC:
47H09
A note on stability of non-surjective \(\varepsilon \)-isometries between the positive cones of \(L^p\)-spaces. (English) Zbl 1491.46012
Representation and approximation of the polar factor of an operator on a Hilbert space. (English) Zbl 1503.47026
On the commutator and Fredholmness of isometric pair. (English) Zbl 1495.47030
Reviewer: Jaydeb Sarkar (Bangalore)
A spherical version of the Kowalski-Słodkowski theorem and its applications. (English) Zbl 1487.46009
Isometries on noncommutative symmetric spaces. (English. Russian original) Zbl 1487.46071
Dokl. Math. 103, No. 1, 54-56 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 496, 64-67 (2021).
Reviewer: Guoxing Ji (Xi’an)
Star order and partial isometries in \(C^\ast\)-algebras. (English) Zbl 1482.46058
Reviewer: Jingming Zhu (Jiaxing)
A note on the stability of isometries on the positive cones of continuous function spaces. (English) Zbl 1489.46015
Reviewer: Johann Langemets (Tartu)
The Beckman-Quarles theorem via the triangle inequality. (English) Zbl 1477.51013
Reviewer: M. G. Mahmoudi (Tehran)
MSC:
51M04
Isometries of ultrametric normed spaces. (English) Zbl 1480.46085
Reviewer: Mohammad Sal Moslehian (Mashhad)
Vanishing of cohomology and parameter rigidity of actions of solvable Lie groups. II. (English) Zbl 1489.22004
Existence and structure of symmetric Beltrami flows on compact 3-manifolds. (English) Zbl 1486.35336
Isometries between spaces of vector-valued differentiable functions. (English) Zbl 1483.46008
Reviewer: T.S.S.R.K. Rao (Bangalore)
Projections In the convex hull of three isometries on absolutely continuous function spaces. (English) Zbl 1494.47070
Projections in the convex hull of two isometries of absolutely continuous function spaces. (English) Zbl 1481.47047
On a conjecture by Mbekhta about best approximation by polar factors. (English) Zbl 1517.47002
Reviewer: Abdellatif Bourhim (Syracuse)
Tingley’s problems on uniform algebras. (English) Zbl 1480.46015
Reviewer: Fernanda Botelho (Memphis)
On \(\operatorname{G}_2\) and sub-Riemannian model spaces of step and rank three. (English) Zbl 1471.53031
MSC:
53C17
Orientation-reversing symmetry of closed surfaces immersed in Euclidean 3-space. (English) Zbl 1469.57026
Cunningham, Gabriel (ed.) et al., Polytopes and discrete geometry. AMS special session, Northeastern University, Boston, MA, USA, April 21–22, 2018. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 764, 179-192 (2021).
Reviewer: Bruno Zimmermann (Trieste)
Surjective isometries between sets of invertible elements in unital Jordan-Banach algebras. (English) Zbl 1489.46058
Every non-smooth 2-dimensional Banach space has the Mazur-Ulam property. (English) Zbl 1476.46008
Reviewer: Jan-David Hardtke (Leipzig)
Polyhomomorphisms of locally compact groups. (English. Russian original) Zbl 1490.43003
Sb. Math. 212, No. 2, 185-210 (2021); translation from Mat. Sb. 212, No. 2, 53-80 (2021).
Elliptic isometries of the manifold of positive definite real matrices with the trace metric. (English) Zbl 1466.53059
Detecting Steiner and linear isometries operads. (English) Zbl 1464.55018
Reviewer: Marja Kankaanrinta (Helsinki)
Any isometry between the spheres of absolutely smooth 2-dimensional Banach spaces is linear. (English) Zbl 1476.46007
Reviewer: Jan-David Hardtke (Leipzig)
Convex and expansive liftings close to two-isometries and power bounded operators. (English) Zbl 07323371
\(c\)-spectral isometries of skew-symmetric matrices: the eight dimensional case. (English) Zbl 1502.15022
On the extension of isometries between the unit spheres of a \(\text{JBW}^{\ast}\)-triple and a Banach space. (English) Zbl 07302693
\((n_1,\dots,n_p)\)-quasi-\(m\)-isometric commuting tuple of operators on a Hilbert space. (English) Zbl 1507.47053
Group of isometries of Niederreiter-Rosenbloom-Tsfasman block space. (English) Zbl 1525.94048
MSC:
94A60
\((m, q)\)-isometric and \((m, \infty)\)-isometric tuples of commutative mappings on a metric space. (English) Zbl 1499.54131
Stability of \(\varepsilon\)-isometries on the positive cones of finite-dimensional Banach spaces. (English) Zbl 1485.46018
Invariant measures for interval translations and some other piecewise continuous maps. (English) Zbl 1475.37005
Classes of operators related to \(m\)-isometric operators. (English) Zbl 1512.47043
Reviewer: Mihai Putinar (Santa Barbara)
Wigner’s theorem on the modified Tsirelson space \({T_M}\). (Chinese. English summary) Zbl 1474.46023
MSC:
46B04
Equidistribution of orbits of isometries on compact Riemannian manifolds. (English) Zbl 1457.58006
Reviewer: Hirokazu Nishimura (Tsukuba)
On certain commuting isometries, joint invariant subspaces and \(C^\ast \)-algebras. (English) Zbl 1508.47009
Curto, Raul E. (ed.) et al., Operator theory, operator algebras and their interactions with geometry and topology. Ronald G. Douglas memorial volume. Proceedings of the international workshop on operator theory and applications (IWOTA 2018), Shanghai, China, July 23–27, 2018. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 278, 147-170 (2020).
Reviewer: Trieu Le (Toledo)
Hermitian operators and isometries on algebras of matrix-valued Lipschitz maps. (English) Zbl 1469.46010
Reviewer: Javier Merí (Granada)
Survey on perfect isometries. (English) Zbl 1504.20016
Doubly \(\Lambda\)-commuting row isometries, universal models, and classification. (English) Zbl 07261450
Phase-isometries between two \(\ell^p(\Gamma , H)\)-type spaces. (English) Zbl 1448.39041
Reviewer: Jan-David Hardtke (Leipzig)
Isometries between non-commutative symmetric spaces associated with semi-finite von Neumann algebras. (English) Zbl 1517.46047
Non-surjective coarse version of the Banach-Stone theorem. (English) Zbl 1459.46034
Reviewer: Jan-David Hardtke (Leipzig)
Isometry groups of closed Lorentz 4-manifolds are Jordan. (English) Zbl 1457.57043
Reviewer: Rainer Löwen (Braunschweig)
On the continuous extension of Kobayashi isometries. (English) Zbl 1446.32008
Reviewer: Feng Rong (Shanghai)
The Mazur-Ulam property in \(\ell_\infty\)-sum and \(c_0\)-sum of strictly convex Banach spaces. (English) Zbl 1444.46008
Reviewer: T.S.S.R.K. Rao (Bangalore)
Perfect isometries between blocks of complex reflection groups. (English) Zbl 1455.20012
Reviewer: Enrico Jabara (Venezia)
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