Coarse equivalence versus bijective coarse equivalence of expander graphs. (English) Zbl 07872216
Reviewer: Erich W. Ellers (Toronto)
Found 462 Documents (Results 1–100)
Hilbert bundles with ends. (English) Zbl 07870901
Breaking symmetries for equivariant coarse homology theories. (English) Zbl 07851969
Reviewer: Ralf Meyer (Göttingen)
Schur multipliers of \(C^\ast\)-algebras, group-invariant compactification and applications to amenability and percolation. (English) Zbl 07845284
Operator norm localization property for equi-approximable families of projections. (English) Zbl 1543.51011
Reviewer: Tomasz Kania (Praha)
Higher Kazhdan projections, \(\ell_2\)-Betti numbers and Baum-Connes conjectures. (English) Zbl 07828320
The equivariant coarse Baum-Connes conjecture for metric spaces with proper group actions. (English) Zbl 07828314
Mapping graph homology to \(K\)-theory of Roe algebras. (English) Zbl 1536.19005
Reviewer: Iakovos Androulidakis (Athína)
Well-balanced and positivity-preserving Roe-type numerical scheme for the model of fluid flows in a nozzle with variable cross-section. (English) Zbl 1531.65137
Analysis of heterogeneous vehicular traffic: using proportional densities. (English) Zbl 07791882
MSC:
82-XX
The strongly quasi-local coarse Novikov conjecture and Banach spaces with Property (H). (English) Zbl 07784810
Reviewer: Vladimir M. Manuilov (Moskva)
A shock-stable numerical scheme accurate for contact discontinuities: applications to 3D compressible flows. (English) Zbl 1536.65094
Reviewer: Ljiljana Teofanov (Novi Sad)
MSC:
65M08
65M06
65L06
65N08
65M12
65M15
76N10
76L05
76N15
76F40
76F50
76M12
76M20
35L65
35L67
35Q31
Embeddings of von Neumann algebras into uniform Roe algebras and quasi-local algebras. (English) Zbl 1536.46047
Reviewer: Diego Martínez (Münster)
The entropy fix in augmented Riemann solvers in presence of source terms: application to the shallow water equations. (English) Zbl 1539.76029
Covering complexity, scalar curvature, and quantitative \(K\)-theory. (English) Zbl 1542.19003
Reviewer: Ralf Meyer (Göttingen)
Measured asymptotic expanders and rigidity for Roe algebras. (English) Zbl 1534.51008
Reviewer: Christopher Wulff (Göttingen)
Dynamic asymptotic dimension and Matui’s HK conjecture. (English) Zbl 1542.46056
Reviewer: Alexander Engel (Greifswald)
Development of POD-based reduced order models applied to shallow water equations using augmented Riemann solvers. (English) Zbl 1539.76136
The twisted coarse Baum-Connes conjecture with coefficients in coarsely proper algebras. (English) Zbl 1526.46046
Reviewer: Vladimir M. Manuilov (Moskva)
MSC:
46L80
Relative equivariant coarse index and relative \(L^2\)-index. (English) Zbl 1521.19001
Reviewer: Tatsuki Seto (Tokyo)
Numerical modeling of non-capacity model for sediment transport by central upwind scheme. (English) Zbl 1524.65457
Topological equivariant coarse \(K\)-homology. (English) Zbl 1532.19002
Reviewer: Ralf Meyer (Göttingen)
Strongly quasi-local algebras and their \(K\)-theories. (English) Zbl 1523.46055
Reviewer: Do Ngoc Diep (Hà Nội)
Homotopy type of the unitary group of the uniform Roe algebra on \(\mathbb{Z}^n\). (English) Zbl 1516.55012
Reviewer: Do Ngoc Diep (Hanoi)
The Hochschild cohomology of uniform Roe algebras. (English) Zbl 1521.46041
Connes, A. (ed.) et al., Cyclic cohomology at 40. Achievements and future prospects. Proceedings of the conference, virtual, Toronto, ON, Canada, September 27 – October 1, 2021. Providence, RI: American Mathematical Society (AMS). Proc. Symp. Pure Math. 105, 239-256 (2023).
A Lichnerowicz vanishing theorem for the maximal Roe algebra. (English) Zbl 1523.58022
Reviewer: Jonathan Rosenberg (College Park)
A twisted version of controlled \(K\)-theory. (English) Zbl 1511.19004
Reviewer: Lin Shan (San Juan)
Artificial diffusion for convective and acoustic low Mach number flows. I: Analysis of the modified equations, and application to Roe-type schemes. (English) Zbl 07649279
Numerical study of instabilities and compressibility effects on supersonic jet over a convex wall. (English) Zbl 1507.76067
Extension of a Roe-type Riemann solver scheme to model non-hydrostatic pressure shallow flows. (English) Zbl 1511.76062
Supercomputer modelling of magnetohydrodynamical flows in cosmic plasma. (Russian. English summary) Zbl 07868529
Sib. Zh. Ind. Mat. 25, No. 4, 14-26 (2022); translation in J. Appl. Ind. Math. 16, No. 4, 596-605 (2022).
Uniform Roe algebras of uniformly locally finite metric spaces are rigid. (English) Zbl 1505.46045
Reviewer: Sven Raum (Stockholm)
A variant of Roe algebras for spaces with cylindrical ends with applications in relative higher index theory. (English) Zbl 1502.19006
Reviewer: Man-Ho Ho (Hong Kong)
An equivariant PPV theorem and Paschke-Higson duality. (English) Zbl 1495.19004
Reviewer: Do Ngoc Diep (Hanoi)
On the quotients of coarse structures and Roe algebras. (English) Zbl 1503.46040
Reviewer: Vladimir M. Manuilov (Moskva)
Uniformly quasi-Hermitian groups are supramenable. (English) Zbl 1505.43003
Reviewer: Amir Sahami (Tehran)
Numerical simulation of real gas one-component two-phase flow using a Roe-based scheme. (English) Zbl 1521.76594
General uniform Roe algebra rigidity. (Rigidité générale pour les algèbres uniformes de Roe.) (English. French summary) Zbl 1501.46045
On Hochschild cohomology of uniform Roe algebras with coefficients in uniform Roe bimodules. (English) Zbl 1497.46079
Reviewer: Mohammad Sal Moslehian (Mashhad)
Numerical modeling of two dimensional non-capacity model for sediment transport by an unstructured finite volume method with a new discretization of the source term. (English) Zbl 1540.76117
High-order numerical scheme for compressible multi-component real gas flows using an extension of the Roe approximate Riemann solver and specific monotonicity-preserving constraints. (English) Zbl 07517109
On the inverse semigroup of bimodules over a \(C^\ast\)-algebra. (English) Zbl 1494.46051
Reviewer: Diego Martínez (Münster)
Evaluation of an effective and robust implicit time-integration numerical scheme for Navier-Stokes equations in a CFD solver for compressible flows. (English) Zbl 1510.76113
Two versions of the uniform Roe algebras for spaces without bounded geometry. (English) Zbl 1530.46043
Reviewer: Alessandro Vignati (Paris)
Equivariant Callias index theory via coarse geometry. (Théorie d’indice Callias équivariant par géométrie grossière.) (English. French summary) Zbl 1502.19005
Reviewer: Alexander Engel (Greifswald)
Plasma sheath modelling for computational aerothermodynamics and magnetohydrodynamics. (English) Zbl 1487.76115
\(L^p\) coarse Baum-Connes conjecture and \(K\)-theory for \(L^p\) Roe algebras. (English) Zbl 1486.19004
Reviewer: Lin Shan (San Juan)
Structure and \(K\)-theory of \(\ell^p\) uniform Roe algebras. (English) Zbl 1494.46045
Reviewer: Vladimir M. Manuilov (Moskva)
Remarks on anomalous symmetries of \(C^*\)-algebras. (English) Zbl 1487.18010
Reviewer: Ralf Meyer (Göttingen)
Uniform Roe coronas. (English) Zbl 1476.19005
Reviewer: Jianguo Zhang (Shanghai)
The Higson-Roe sequence for étale groupoids. II: The universal sequence for equivariant families. (English) Zbl 1469.19007
Reviewer: Adnane Elmrabty (Guelmim)
Gaplessness of Landau Hamiltonians on hyperbolic half-planes via coarse geometry. (English) Zbl 1470.51004
Reviewer: Gabriel Pallier (Fribourg)
Hilbert \(C^*\)-modules related to discrete metric spaces. (English. Russian original) Zbl 1481.46057
Russ. Math. 65, No. 5, 40-47 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 5, 55-63 (2021).
Reviewer: Mohammad Sal Moslehian (Mashhad)
Invertibility for some homotopy invariant functors related to Roe algebras. (English) Zbl 1485.46077
Reviewer: Bernhard Burgstaller (Florianópolis)
On Banach algebras of band-dominated operators and their order structure. (English) Zbl 1467.46070
Reviewer: Ralf Meyer (Göttingen)
On the efficient implementation of PVM methods and simple Riemann solvers. Application to the Roe method for large hyperbolic systems. (English) Zbl 1508.76075
On the rigidity of uniform Roe algebras over uniformly locally finite coarse spaces. (English) Zbl 1458.51007
Reviewer: Ralf Meyer (Göttingen)
Entropies and symmetrization of hyperbolic stochastic Galerkin formulations. (English) Zbl 1518.65109
A Roe-like reformulation of the HLLC Riemann solver and applications. (English) Zbl 1460.65109
Bressan, Alberto (ed.) et al., Hyperbolic problems: theory, numerics, applications. Proceedings of the 17th international conference, HYP2018, Pennsylvania State University, University Park, PA, USA, June 25–29, 2018. Springfield, MO: American Institute of Mathematical Sciences (AIMS). AIMS Ser. Appl. Math. 10, 594-602 (2020).
Reviewer: Abdallah Bradji (Annaba)
Uniform Roe algebras and geometric RD property. (English) Zbl 1468.46075
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, 359-371 (2020).
On the uniform Roe algebra as a Banach algebra and embeddings of \(\ell_p\) uniform Roe algebras. (English) Zbl 1467.46019
Bounded derivations on uniform Roe algebras. (English) Zbl 1456.46057
Reviewer: Alessandro Vignati (Toronto)
The Higson-Roe sequence for étale groupoids. I: Dual algebras and compatibility with the BC map. (English) Zbl 1444.19008
Reviewer: Adnane Elmrabty (Guelmim)
Equivariant higher-index problems for proper actions and nonpositively curved manifolds. (English) Zbl 1446.58004
Reviewer: Iakovos Androulidakis (Athína)
Embeddings of uniform Roe algebras. (English) Zbl 1454.46024
Reviewer: Valerio Proietti (Shanghai)
A multiphase SPH model based on Roe’s approximate Riemann solver for hydraulic flows with complex interface. (English) Zbl 1442.76087
Persistence approximation property for maximal Roe algebras. (English) Zbl 1454.46071
Reviewer: Ralf Meyer (Göttingen)
Quasi-locality and property A. (English) Zbl 1444.46016
A low-dissipation DG method for the under-resolved simulation of low Mach number turbulent flows. (English) Zbl 1442.65270
A robust hybrid Roe Riemann solver. (Chinese. English summary) Zbl 1449.76040
A cyclic cocycle and relative index theorems on partitioned manifolds. (English) Zbl 1444.19009
Reviewer: Lin Shan (San Juan)
A Mayer-Vietoris spectral sequence for \(C^*\)-algebras and coarse geometry. (English) Zbl 1454.46070
Göttingen: Univ. Göttingen (Diss.). viii, 97 p. (2019).
Roe bimodules as morphisms of discrete metric spaces. (English) Zbl 1442.46039
Reviewer: Ralf Meyer (Göttingen)
Coarse quotients by group actions and the maximal Roe algebra. (English) Zbl 1482.46092
Reviewer: Botao Long (Shanghai)
Rough index theory on spaces of polynomial growth and contractibility. (English) Zbl 1436.58019
Reviewer: Christopher Wulff (Göttingen)
On the well-posedness of the multi-dimensional Roe-Liu-Vinokur linearization for residual distribution schemes. (English) Zbl 1416.76106
Improved Riemann solvers for an accurate resolution of 1D and 2D shock profiles with application to hydraulic jumps. (English) Zbl 1416.76157
Smooth subalgebras of the Roe algebra. (English) Zbl 1418.46030
Reviewer: Ralf Meyer (Göttingen)
A robust rotated-hybrid Riemann scheme for multidimensional inviscid compressible flows. (English) Zbl 1458.76071
Coarse geometry and topological phases. (English) Zbl 1481.46076
Reviewer: Cătălin Badea (Villeneuve d’Ascq)
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