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A Hadamard product involving inverse-positive matrices

Gassó Maria T. ; Torregrosa Juan R. ; Abad Manuel

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Complex Hadamard Matrices contained in a Bose–Mesner algebra

Takuya Ikuta ; Akihiro Munemasa

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A variant of the reciprocal super Catalan matrix

Emrah Kılıç ; Ilker Akkus ; Gonca Kızılaslan

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On the determinants of some kinds of circulant-type matrices with generalized number sequences

Emrullah Kirklar ; Fatih Yilmaz

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Unitary automorphisms of the space of Toeplitz-plus-Hankel matrices

A.K. Abdikalykov ; V.N. Chugunov ; Kh.D. Ikramov

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Partitions of networks that are robust to vertex permutation dynamics

Gary Froyland ; Eric Kwok

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The maximum multiplicity and the two largest multiplicities of eigenvalues in a Hermitian matrix whose graph is a tree

Rosário Fernandes

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Two-level Cretan matrices constructed using SBIBD

N. A. Balonin ; Jennifer Seberry

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When powers of a matrix coincide with its Hadamard powers

Roman Drnovšek

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Matrices induced by arithmetic functions, primes and groupoid actions of directed graphs

Ilwoo Cho ; Palle E. T. Jorgensen

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Extension of Wang-Gong monotonicity result in semisimple Lie groups

Zachary Sarver ; Tin-Yau Tam

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Elementary triangular matrices and inverses of k-Hessenberg and triangular matrices

Luis Verde-Star

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Companion matrices and their relations to Toeplitz and Hankel matrices

Yousong Luo ; Robin Hill

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Symmetric Hadamard matrices of order 116 and 172 exist

Olivia Di Matteo ; Dragomir Ž. Ðoković ; Ilias S. Kotsireas

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On decomposition of k-tridiagonal ℓ-Toeplitz matrices and its applications

A. Ohashi ; T. Sogabe ; T.S. Usuda

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Determinants and inverses of circulant matrices with complex Fibonacci numbers

Ercan Altınışık ; N. Feyza Yalçın ; Şerife Büyükköse

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Completely positive matrices over Boolean algebras and their CP-rank

Preeti Mohindru

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Another formulation of the Wick’s theorem. Farewell, pairing?

Igor V. Beloussov

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Factorizations for q-Pascal matrices of two variables

Thomas Ernst

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Explicit formulas for the constituent matrices. Application to the matrix functions

R. Ben Taher ; M. Rachidi

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Equality in Wielandt’s eigenvalue inequality

Shmuel Friedland

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Moore-Penrose inverses of Gram matrices leaving a cone invariant in an indefinite inner product space

K. Appi Reddy ; T. Kurmayya

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A new bound for the spectral radius of Brualdi-Li matrices

Xiaogen Chen

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The reciprocal super Catalan matrix

Helmut Prodinger

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A note on certain ergodicity coeflcients

Francesco Tudisco

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