## Recent SIMAX papers

The SIAM Journal on Matrix Analysis and Applications publishes research articles in matrix analysis and its applications and papers of interest to the numerical linear algebra community.

### 20 Feb

The Condition Number of Join Decompositions

Paul Breiding and Nick Vannieuwenhoven

On the Spectrum of Deflated Matrices with Applications to the Deflated Shifted Laplace Preconditioner for the Helmholtz Equation

Luis García Ramos and Reinhard Nabben

### 15 Feb

Geometric Subspace Updates with Applications to Online Adaptive Nonlinear Model Reduction

Ralf Zimmermann, Benjamin Peherstorfer and Karen Willcox

### 6 Feb

Exponential Stability and Robust Stability for Linear Time-Varying Singular Systems of Second Order Difference Equations

Vu Hoang Linh, Ngo Thi Thanh Nga and Do Duc Thuan

### 1 Feb

Computing the Weighted Geometric Mean of Two Large-Scale Matrices and Its Inverse Times a Vector

Massimiliano Fasi and Bruno Iannazzo

### 30 Jan

Reduction of Matrix Polynomials to Simpler Forms

Yuji Nakatsukasa, Leo Taslaman, Françoise Tisseur and Ion Zaballa

### 24 Jan

A Robust Multilevel Approximate Inverse Preconditioner for Symmetric Positive Definite Matrices

Andrea Franceschini, Victor Antonio Paludetto Magri, Massimiliano Ferronato and Carlo Janna

### 18 Jan

Iterative Methods for Solving Factorized Linear Systems

Anna Ma, Deanna Needell and Aaditya Ramdas

Concave Mirsky Inequality and Low-Rank Recovery

Simon Foucart