Matrix

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Contents

• Density-independent boundedness in fixed dimension
• Characterizing rigid alternative means
• Analytic boundary Hankel positivity
• Analytic matrix Pick kernels
• Stable synchronous iteration can become unstable with unit remote delays
• Invertibility of Cartesian-control angle matrices
• Cartesian variance
• Cayley transforms and resolvent increments
• Positivity at both endpoints
• The rational functional-calculus expression
• Resolvent derivatives and radial distance
• A three-node resolvent estimate
• Pairwise signs do not give an orthogonal lift at order five
• Circulant bracelet sufficiency fails at order twelve
• Circulants and odd cosine pairing
• Circulant unitary lifting fails at order ten
• Semisimple Unitary Commutants
• Commutator gap and scalar translation
• An obstruction to exponential-dependent logarithm branches
• Conditional Cross-Species Consensus
• A counterexample to the radial convexity characterization
• Pick functions do not preserve embeddable matrices
• Finite Phase Mixtures
• The Furuichi–Eghbali Amlashi hyperbolic ratio
• A counterexample to Wasserstein power monotonicity
• A simple-spectrum Gibbs-stochastic matrix for every positive vector
• Star matrices force large orthostochastic dimension
• A counterexample to the Han–Wang–Yu spectral hull conjecture
• A counterexample to mixed-power norm monotonicity
• The balanced certificate for actual CFC derivatives
• Two spectral levels with arbitrary complex matrix blocks
• Cubic radial trace compatibility
• Affine Hermitian power derivatives
• Coupled cubic estimate for two spectral levels
• Closed rectangle estimate for the coupled cubic residual
• Complex qubit mixed cubic compatibility
• Pick functions do not preserve strong infinite divisibility
• JainAbsCosine
• Kovačec’s strengthened Marcus–de Oliveira conjecture is false
• Li–Tan circulant positivity fails at order four
• A counterexample to Lin’s Conjecture 4.3
• LinGProperty
• LinPsiMap
• Malkoun’s two-matrix elementary symmetric inequality
• The unrestricted two-sided permanent lower bound is false
• A counterexample to the Young-subgroup cross-sum inequality
• Matrix Self-Pairing
• Transposes and Column Gram Matrices of Monomial Matrices
• Monomial Matrices Preserve Diagonality
• Gram Matrices of Monomial Matrices
• The normal-modulus triangle constant in dimension two
• Numerical ranges and compression
• Lin’s operator Wielandt norm conjecture fails
• Partial-transpose trace duality
• A power-mean counterexample in the Euclidean operator norm
• Projection-matrix AM-GM refutation
• The exact component count of a strange quantum graph
• Radial convexity and endpoint derivatives
• Conditional Record Capacity
• Equivariant Record Symmetry No-Go
• CFC cube roots and ordered matrix jets
• Attained Schur Minimum
• An obstruction to the odd-order Hadamardness minimum
• The spectral geometric Log-Euclidean comparison fails
• Spectral powers and matrix positivity
• Higher exterior traces of the perimeter matrix
• Spezia’s higher exterior traces
• Spezia’s second exterior trace
• The proposed stochastic generator set misses a six-cycle matrix
• StolarskyMean
• TaylorMajorization
• Toeplitz
• Two-point functional calculus
• Positive definite similarity need not give diagonal majorization
• Uniform variance and block centering
• Centered Kraus trace norm on finite references
• A nonglobal local minimum of the unitary scaling landscape
• Wasserstein power means and eigenvalue products
• Weighted Bottcher-Wenzel, case (ii)
• A positive block does not force normality
• The sharp upper endpoint of the Zhang–Jing power block
• A counterexample to the three-operator Clarkson–McCarthy inequality