Published: 2024-01-05

Article

Invertible bases and root vectors for analytic matrix-valued functions

Vanni Noferini

1-13

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Minimizing the least eigenvalue of unbalanced signed unicyclic graphs with given girth or pendant vertices

Minghui Yan, Dan Li, Yongang Wang, Jixiang Meng

14-27

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Structured level-2 condition numbers of matrix functions

Bahar Arslan, Samuel D. Relton, Marcel Schweitzer

28-47

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The allow sequence of distinct eigenvalues for a sign pattern

Jane Breen, Carraugh Brouwer, Minerva Catral, Michael Cavers, Pauline van den Driessche, Kevin N. Vander Meulen

48-80

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Locating Eigenvalues of Symmetric Matrices - A Survey

Carlos Hoppen, David Jacobs, Vilmar Trevisan

81-139

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Numerical range for weighted Moore-Penrose inverse of tensor

Aaisha Be, Vaibhav Shekhar, Debasisha Mishra

140-171

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New properties of a special matrix related to positive-definite matrices

Shaowu Huang, Qing-Wen Wang

172-176

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Deflating invariant subspaces for rank structured pencils

Nicola Mastronardi, Marc Van Barel, Raf Vandebril, Paul Van Dooren

177-202

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Flag-shaped blockers of 123-avoiding permutation matrices

Megan Bennett, Lei Cao

203-223

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Near-bipartite Leonard pairs

Kazumasa Nomura, Paul Terwilliger

224-273

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Eigenvalue characterization of some structured matrix pencils under linear perturbation

Morad Ahmadnasab, Panayiotis J. Psarrakos

274-298

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Matrices having nonzero outer inverses

Iulia-Elena Chiru, Septimiu Crivei

299-306

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The numerical range of matrix products

Stephen Drury

307-321

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The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs

Tingyan Ma, Ligong Wang, Yang Hu

322-332

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A new weighted spectral geometric mean and properties

Trung Hoa Dinh, Tin-Yau Tam, Trung-Dung Vuong

333-342

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Qualitative, statistical, and extreme properties of spectral indices of signable pseudo-invertible graphs

Sona Pavlikova, Daniel Sevcovic

343-360

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Commuting additive maps on upper triangular and strictly upper triangular infinite matrices

Di-Chen Lan, Cheng-Kai Liu

361-369

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The signless Laplacian spectral radius of graphs without intersecting odd cycles

Ming-Zhu Chen, A-Ming Liu, Xiaodong Zhang

370-381

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Diagonalizably realizable implies universally realizable

Carlos Marijuán, Ricardo L. Soto

382-395

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Some symmetric sign patterns requiring unique inertia

Partha Rana, Sriparna Bandopadhyay

396-417

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Symmetry and asymmetry between positive and negative square energies of graphs

Clive Elphick, William Linz

418-432

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Token graphs of Cayley graphs as lifts

Cristina Dalfó, Miquel Àngel Fiol, Sona Pavlíková, Jozef Sirán

433-445

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Multiplicativity of permanents over matrix semirings

David Dolžan

446-452

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The power of bidiagonal matrices

Nicholas J. Higham

453-474

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Inverse of the squared distance matrix of a complete multipartite graph

Joyentanuj Das, Sumit Mohanty

475-490

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Order relations of the Wasserstein mean and the spectral geometric mean

Luyining Gan, Huajun Huang

491-505

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The nonnegative inverse eigenvalue problem with prescribed zero patterns in dimension three

André C. M. Ran, Zhixuan (Emily) Teng

506-537

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Cycle products and efficient vectors in reciprocal matrices

Susana Furtado, Charles R. Johnson

538-550

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$SDD_1$ tensors and $B_1$-tensors

Weiting Duan, Dekun Wen, Yaqiang Wang

551-563

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Rational solutions of the matrix equation $p(X) = A$

Gilbert Groenewald, Gerrit Goosen, Dawie Janse van Rensburg, André Ran, Madelein Thiersen

564-573

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A study of the validity of Oppenheim's inequality for Hurwitz matrices associated with Hurwitz polynomials

Fatimah Alsaafin, Doaa Al-Saafin, Jürgen Garloff

574-584

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Optimal approximation of a large matrix by a sum of projected linear mappings on prescribed subspaces

Phil Howlett, Anatoli Torokhti

585-605

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Characterization of invariant subspaces for a nilpotent linear operator that admit complementary invariant subspaces

Fernando Pablos Romo

606-620

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Affine subspaces of matrices with rank in a range

Elena Rubei

621-635

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On invertible non-bipartite unicyclic graphs with a unique perfect matching and their smallest positive eigenvalues

Sasmita Barik, Subhasish Behera, Debabrota Mondal

636-653

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Connections between points of convexity of functions and centrality of elements in $C^*$-algebras

Gergő Nagy

654-662

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Concave function inequalities for sum of matrices

Feng Zhang

663-666

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Extremal spectral radii of uniform supertrees

Guanglong Yu, Lin Sun, Lijun Pan, Hailiang Zhang

667-681

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Characterizations of complex P-matrices

Michael Tsatsomeros, Dale Olesky, Pauline van den Driessche

682-691

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Spectral conditions for rainbow matchings of bipartite graphs

Chao Shi, Xiuqing Li, Mingfa Chen

692-696

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Principal eigenvectors in hypergraph Turán problems

Joshua Cooper, Dheer Noal Desai, Anurag Sahay

697-713

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Minimal rank weighted weak Drazin inverses

Dijana Mosić

714-728

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Commutators of skew-involutions

Xin Hou, Wen-Wei Li

729-738

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The number of spanning trees of the bipartite complement of a semiregular bipartite graph

Helin Gong, Jutian Yao, Hailiang Zhang

739-746

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Faces of the signed Birkhoff polytopes

Zhi Chen, Kebin Zhu

747-765

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Kemeny’s constant and the Lemoine point of a simplex

Karel Devriendt

766-773

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Diameter vs. Laplacian eigenvalue distribution

Leyou Xu, Bo Zhou

774-787

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An extension of the Perron-Frobenius theory to arbitrary matrices and cones

Yavdat Il'yasov, Nurmukhamet Valeev

788-802

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Coalescing sets preserving cospectrality of graphs arising from block similarity matrices

Sajid Bin Mahamud, Steve Butler, Hannah Graff, Jiah Jin, Nick Layman, Taylor Luck, Noah Owen, Angela Yuan

803-818

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