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775 papers in math.FA · page 8
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Spectral data sets periodicity in ergodic quantum channels
Periodicity in Ergodic Quantum Processes
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Empirical operators converge spectrally with discontinuous kernels
Spectral convergence of empirical integral operators with discontinuous kernels
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Phelps theorem extends to norm-attaining functionals on C(Ω
An extension of Phelps theorem to spaces of vector-valued functions
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Density of continuity points forces Radon-Nikodým property
Weak$^*$-weak points of continuity on the state spaces
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Doubly power-bounded elements decompose when spectrum is finite
Spectral decomposition of doubly power-bounded elements in Banach algebras
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BCH series converges near origin in quasi-Banach Lie algebras
Local Lie Theory in Quasi-Banach Lie Algebras: Convergence of the BCH Series and Geometric Implications
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Rough Calderón-Zygmund drifts permit global mild solutions
Global mild solutions for a transport-diffusion equation with a rough drift
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Inertial method solves non-Lipschitz monotone variational inclusions
Non-Lipschitz Inertial Contraction-Type Method for Monotone Variational Inclusion problems
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Boundary white noise extends 1D heat states to complex rhombus
Bergman-space regularity for the heat equation with white-noise boundary forcing
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Eigenvalue collisions allow exotic spectrum preservers
Eigenvalue collision and exotic preservers on semisimple operators
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Balanced shifts satisfy von Neumann inequality on the ball
von Neumann Inequality for a class of Doubly Contractive Weighted Shifts
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Porous sets refine Carleson packing on dyadic covers
Carleson families of cubes related to porous sets
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Scaled fractional potential limit recovers gradient potential
Bourgain-Brezis-Mironescu formula for Riesz Potentials
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Boundedness on regular de Branges spaces requires affine symbols
Composition operators on de Branges spaces of entire functions
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Only affine symbols bound composition operators on de Branges spaces
Composition operators on de Branges spaces of entire functions
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Sparse networks recover functionals with fewer samples
Sparse-Aware Neural Networks for Nonlinear Functionals: Mitigating the Exponential Dependence on Dimension
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Convolutional sparsity tames dimension dependence in functional learning
Sparse-Aware Neural Networks for Nonlinear Functionals: Mitigating the Exponential Dependence on Dimension
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Real ℓ_∞ satisfies the BPBp for numerical radius unlike ℓ_1 ⊕_∞ c_0
The Bishop-Phelps-Bollob\'as property for the numerical radius: a Zizler-type approach
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Unbounded Toeplitz operators on model spaces commute with modified shifts
Some properties of unbounded truncated Toeplitz operators
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Deterministic sequence approximates identity from PSD matrices
Greedy sparsifications of sums of positive semidefinite matrices
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Deterministic picks approximate identity to eps with O(M log d / eps^2) terms
Greedy sparsifications of sums of positive semidefinite matrices
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Multigraphs recover quantum channel confusability graphs by edge count
A multigraph approach to confusability in quantum channels
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Unique solutions exist for vorticity equation with fractional Brownian noise
Well-posedness and Hurst parameter estimation for fluid equations driven by fractional transport noise
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Critical oscillation embeddings gain logarithmic Hansson refinements
Oscillation Functionals and Embeddings in Rearrangement-Invariant Spaces
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Epigraphic control gives square-root displacement for minimizer sets
Intrinsic perturbation scale for certified oracle objectives with epigraphic information
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Four existence theorems reduce to one another
Hartman-Stampacchia theorem, Gale-Nikaido-Debreu lemma, and Brouwer and Kakutani fixed-point theorems
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In Lipschitz-free spaces diameter two equals attaining diameter two
A note on attaining diameter two properties in Lipschitz-free spaces
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Moment bounds for twisted random sums match chaos predictions
Partial sums of random multiplicative functions with supercritical divisor twists
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Generalized Fourier transform interchanges x and deformed derivatives
A Generalized Fourier Transform and a Smooth Analogue of Dunkl Operators
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Equal weights force flatness in quadratically hyponormal shifts
Propagation Phenomena for Operator-Valued Weighted Shifts
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Equal weights force flatness in hyponormal weighted shifts
Propagation Phenomena for Operator-Valued Weighted Shifts
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Reid class classification extends to non-Archimedean Banach spaces
Structural Hierarchy of Reid Class of non-Archimedean Banach Spaces
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Bounded extension operator makes forms commute with derivative on Lipschitz domains
Uniformly Bounded Cochain Extensions and Uniform Poincar\'e Inequalities
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Torsion-free acylindrically hyperbolic groups satisfy relative ISR
On Relative Invariant Subalgebra Rigidity Property
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Two parametrizations agree on gauge-invariant ideals for product systems
Gauge-invariant ideal structure of C*-algebras associated with proper product systems over $\mathbb{Z}_+^d$
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Refined Trudinger-Moser inequality attains its maximum in fractional dimensions
A Trudinger-Moser inequality under a refined constraint in fractional dimensions and extremal functions
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Piecewise quadratic homeomorphisms admit W^{2,1} diffeomorphism approximations
$W^{2,1}$ approximation of planar Sobolev homeomorphisms by smooth diffeomorphisms
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Combinatorial formula found for recursive operator sequences
A Combinatorial Formula for Recursive Operator Sequences and Applications
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Product TV distance bounded below by constant times averaged version
A homogenization principle for total variation
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Rational error products follow Hadamard asymptotics
Hadamard-Type Asymptotics for Products of Best Rational Approximation Errors
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Memory functional strictly contains continuous functions
A Functional-Analytic Framework for Nonlinear Adaptive Memory: Hierarchical Kernels, State-Dependent Sensitivity, and Memory-Dependent Functionals
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Schrödinger singularities fixed by initial wave front sets
Characterization of spacetime singularities for the Schr\"odinger equation by initial state
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Dunkl-Williams constant hits 2√2 in ℓ₂-ℓ₁ space
Some results on the Dunkl-Williams constant
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Hardy-Lorentz spaces gain sharp maximal-function theory on ultra-RD-spaces
Real-Variable Theory of Hardy--Lorentz Spaces on Quasi-Ultrametric Spaces of Homogeneous Type with Reverse-Doubling Property
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Order convergence analytic iff α-Fatou for some countable ordinal
A Classification of Order Convergence via a Transfinite Fatou Hierarchy
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Density space non-compact in Bures metric for infinite-dimensional algebras
The Bures metric and the quantum metric on the density space of a C*-algebra: the non-unital case
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Weak limits of operator powers form large semigroups generically
Weak limit semigroup in operator theory and ergodic theory
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Amalgamated products preserve matricial field properties
A new source of purely finite matricial fields
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Self-adjoint maps on Hilbert C*-modules vanish if zero on dense submodules
Bounded modular functionals and operators on Hilbert C*-modules that are regular
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Tight l_p norm inequality conjectured for every finite dimension
A conjecture on a tight norm inequality in the finite-dimensional l_p