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775 papers in math.FA · page 15

  1. math.FA 2019-07-25 reviewed
    Tetrablock contraction lifts without meeting prior necessary condition

    Rational dilation of tetrablock contractions revisited

    Joseph A. Ball +1

  2. math.CA 2019-07-25 reviewed
    BMO condition decides L2 boundedness of symmetric operator-valued CZOs

    An operator-valued $T1$ theory for symmetric CZOs

    Guixiang Hong +2

  3. math.FA 2019-07-24 reviewed
    Proximal quasi-normal structure yields best proximity points

    Proximal quasi-normal structure and existence of best proximity points

    Farhad Fouladi +1

  4. math.CV 2019-07-24 reviewed
    Bergman norms estimated sharply from real parts

    Harmonic conjugates on Bergman spaces induced by doubling weights

    Jos\'e \'Angel Pel\'aez +1

  5. math.FA 2019-07-24 reviewed
    Additive jointly separating maps admit partial descriptions

    Additive jointly separating maps and ring homomorphisms

    Fereshteh Sady +1

  6. math.FA 2019-07-23 reviewed
    Inequalities compare algebra multiplications on Banach spaces

    Some Inequalities for Continuous Algebra-Multiplications on a Banach Space

    Maysam Maysami Sadr

  7. math.FA 2019-07-23 reviewed
    Subspaces of bounded affine functions are proximinal

    A note on the best approximation in spaces of affine functions

    Maysam Maysami Sadr

  8. math.FA 2019-07-23 reviewed
    Commutator boundedness equivalent to BMO for maximal functions

    Commutators of maximal functions on spaces of homogeneous type and their weighted, local versions

    Zunwei Fu +2

  9. math.LO 2019-07-23 reviewed
    Splitting chains exist independently of ZFC

    Splitting chains, tunnels and twisted sums

    F\'elix Cabello S\'anchez +4

  10. math.CV 2019-07-22 reviewed
    Balayage of charges links to domain geometry for subharmonic classes

    Classical Balayage of Charges and Measures

    Bulat N. Khabibullin +1

  11. math.SP 2019-07-22 reviewed
    Essential numerical range detects spectral pollution in unbounded approximations

    The essential numerical range for unbounded linear operators

    Sabine B\"ogli +2

  12. math.PR 2019-07-22 reviewed
    Conditional probability defined in Renyi spaces

    Conditional probability in Renyi spaces

    Gunnar Taraldsen

  13. math.AP 2019-07-22 reviewed
    Truncation regularization has no saturation index

    On truncated spectral regularization for an ill-posed evolution equation

    M. Thamban Nair

  14. math.FA 2019-07-22 reviewed
    Multi-cubic mappings satisfy a stable functional equation

    On an equation characterizing multi-cubic mappings and its stability and hyperstability

    Abasalt Bodaghi +1

  15. math.CA 2019-07-20 reviewed
    Kaczmarz frames for singular measures match model subspace boundaries

    Model subspaces techniques to study Fourier expansions in L^2 spaces associated to singular measures

    Jorge Antezana +1

  16. math.FA 2019-07-20 reviewed
    Closed range of summed weighted composition operators characterized

    Finite sum of weighted composition operators with closed range

    Saeedeh Shamsigamchi +2

  17. math.FA 2019-07-20 reviewed
    Multiplier property forces Sobolev regularity on torus functions with zeros

    Uncertainty Principles for Fourier Multipliers

    Michael Northington V

  18. math.RA 2019-07-20 reviewed
    Zero-product condition fixes linear maps D and T on standard algebras

    Linear maps characterized by special products on standard operator algebras

    Amin Barari

  19. math.FA 2019-07-20 reviewed
    Lattice isomorphism recovers homeomorphism on compact spaces

    Lattice isomorphisms between certain sublattices of continuous functions

    Vahid Ehsani +1

  20. math.FA 2019-07-19 reviewed
    Besov spaces with slow smoothness embed optimally outside Lorentz-Karamata scale

    Optimal local embeddings of Besov spaces involving only slowly varying smoothness

    J\'ulio S. Neves +1

  21. math.FA 2019-07-19 reviewed
    Hausdorff operators studied on upper half-plane Bergman spaces

    Hausdorff operators on Bergman spaces of the upper half plane

    Georgios Stylogiannis

  22. math.FA 2019-07-19 reviewed
    Conditions guarantee Hermitian solutions to nonlinear matrix equation

    Solutions of a class of nonlinear matrix equations

    Samik Pakhira +2

  23. math.FA 2019-07-18 reviewed
    Unitary corners admit SVD when projections meet geometric tests

    Unitary operators with decomposable corners

    Esteban Andruchow

  24. math.MG 2019-07-18 reviewed
    Table lists best-known packings in complex projective space

    Game of Sloanes: Best known packings in complex projective space

    John Jasper +2

  25. math.FA 2019-07-17 reviewed
    Bibasic sequences converge in order exactly when partial sums are bounded

    Bibasic sequences in Banach lattices

    M.A. Taylor +1

  26. cs.CV 2019-07-17 reviewed
    LIP isomorphism turns multiplicative Asplund maps into additive ones

    A Link Between the Multiplicative and Additive Functional Asplund's Metrics

    Guillaume Noyel (IPRI +1

  27. math.FA 2019-07-17 reviewed
    Algebraic assumptions enable CZ theory for von Neumann algebras

    Algebraic Calder\'on-Zygmund theory

    Marius Junge +3

  28. math.FA 2019-07-17 reviewed
    C[0,1] contains every separable Banach space as isometric subspace

    Embeddability, representability and universality involving Banach spaces

    M. A. Sofi

  29. math.CA 2019-07-16 reviewed
    Littlewood-Paley and Lusin functions bounded on Morrey spaces for Schrödinger operators

    Morrey spaces for Schr\"odinger operators with certain nonnegative potentials, Littlewood-Paley and Lusin functions on the Heisenberg groups

    Hua Wang

  30. math.FA 2019-07-15 reviewed
    Supremum-norm spaces are duals with atomic preduals

    Atomic decompositions, two stars theorems, and distances for the Bourgain-Brezis-Mironescu space and other big spaces

    Luigi D'Onofrio +4

  31. math.FA 2019-07-15 reviewed
    Skew-Hermitian maps on ideal spaces equal commutators with fixed self-adjoint a

    Skew-Hermitian operators in real Banach spaces of self-adjoint compact operators

    B. Aminov +1

  32. math.FA 2019-07-14 reviewed
    Essential distances yield extended fixed point theorems

    New coincidence point and fixed point theorems for essential distances and $e^{0}$-metrics

    Wei-Shih Du

  33. math.OA 2019-07-14 reviewed
    Proof supplies Haagerup's missing characterization of WEP

    On a Characterization of the Weak Expectation Property (WEP)

    Gilles Pisier

  34. math.OA 2019-07-14 reviewed
    Primitive ideals characterized for labelled graph C*-algebras

    Primitive Ideals of Labelled Graph $C^*$-algebras

    Menassie Ephrem

  35. math.FA 2019-07-13 reviewed
    Bounded Weyl symbols imply bounded Toeplitz operators

    Weyl symbols and boundedness of Toeplitz operators

    Lewis Coburn +3

  36. math.CA 2019-07-13 reviewed
    Subharmonic volume average bounded by 2n^{3/2} times surface average

    Improved Bounds for Hermite-Hadamard Inequalities in Higher Dimensions

    Thomas Beck +7

  37. math.FA 2019-07-13 reviewed
    Numerical radius to power r bounded by norm power minus deviation term

    Further Inequalities for the Numerical Radius of Hilbert Space Operators

    S. Tafazoli +3

  38. math.FA 2019-07-12 reviewed
    Lifting theorem reduces noncommutative analyticity to one variable

    The royal road to automatic noncommutative real analyticity, monotonicity, and convexity

    J. E. Pascoe +1

  39. math.FA 2019-07-12 reviewed
    Dichotomy of Hamiltonian matrix yields Riccati solutions

    Dichotomous Hamiltonians and Riccati equations for systems with unbounded control and observation operators

    Christian Wyss

  40. math.FA 2019-07-12 reviewed
    Time changes transform curvature bounds with explicit formulas

    Curvature-dimension conditions for diffusions under time change

    Bang-Xian Han +1

  41. math.FA 2019-07-12 reviewed
    Schmidt subspaces of Hankel operators are model-space images

    The structure of Schmidt subspaces of Hankel operators: a short proof

    Alexander Pushnitski +1

  42. math-ph 2019-07-12 reviewed
    Biorthogonal sequences on dense subspaces form generalized Riesz systems

    Generalized Riesz systems and quasi bases in Hilbert space

    Fabio Bagarello +2

  43. math.FA 2019-07-11 reviewed
    Chaos fails to imply any weighted U-frequent hypercyclicity

    $\mathcal{U}$-Frequent hypercyclicity notions and related weighted densities

    Romuald Ernst +2

  44. math.AP 2019-07-11 reviewed
    Hodge theory yields energy conservation for critical weak solutions on manifolds with边界

    Hodge-theoretic analysis on manifolds with boundary, heatable currents, and Onsager's conjecture in fluid dynamics

    Khang Manh Huynh

  45. math.FA 2019-07-11 reviewed
    Group algebras are essentially left φ-contractible only if groups are compact

    A note on essentially left $\phi$-contractible Banach algebras

    A. Sahami +1

  46. math.FA 2019-07-10 reviewed
    Poincaré disk over C*-algebra gets non-commutative Kähler structure

    A non commutative K\"ahler structure on the Poincar\'e disk of a C*-algebra

    Esteban Andruchow +2

  47. math.FA 2019-07-10 reviewed
    Operator approximates any finite-variation measure from coefficients

    Super-resolution meets machine learning: approximation of measures

    H. N. Mhaskar

  48. math.OA 2019-07-10 reviewed
    Unitary flagged by isolated point in its extreme-point set

    Metric characterisation of unitaries in JB$^*$-algebras

    Mar\'ia Cueto-Avellaneda +1

  49. math.FA 2019-07-10 reviewed
    Probabilistic metric spaces metrize under continuous triangle functions

    Metrization of probabilistic metric spaces. Applications to fixed point theory and Arzela-Ascoli type theorem

    Nazaret Bruno +2

  50. math.CA 2019-07-10 reviewed
    New generalized fractional operators prove Cauchy problems well-posed

    Generalized substantial fractional operators and well-posedness of Cauchy problem

    Hafiz Muhammad Fahad +1