The Lustcrnik-Schnirclniann Category for a Differentiable Stack
Samirah Alsulami, Hellen Colman and Frank Neumann

Centrosymmetric, and Symmetric and Hankcl-Synunctric Matrices
Richard A. Brualdi and Shi-Mei Ma

Partially Independent Random Variables
Costanza Catalano and Alberto Gandolft

Sobol Sensitivity: A Strategy for Feature Selection
Dmitry Efimov and Hana Sulieman

Basis Independence of Implicitly Defined Hamiltonian Circuit Dynamics
Jon Pierre Fortney

On a New Class of Variational Problems
Hichem Hajaiej

A Scientific Tour on Orthogonal Arrays
A.S. Hedayat

Hoffman’s Coclique Bound for Normal Regular Digraphs, and Nonsynunetric Association Schemes
Hadi Kharaghani and Sho Suda

A Suspension Bridge Problem: Existence and Stability
Salim A. Messaoudi and Soh Edwin Mukiawa

An Interpolation-Based Approach to American Put Option Pricing
Greg Orosi

Stable Homotopy Groups of Moore Spaces
Ines Saihi

Notes on Quasi-Cyclic Codes with Cyclic Constituent Codes
Minjia Shi, Yiping Zhang and Patrick Sole

Factorization of Computations in Bayesian Networks: Interpretation of Factors
Linda Smail and Zineb Azouz

Optimal Drug Treatment in a Simple Pandemic Switched System Using Polynomial Approach
Abdessamad Tridane, Mohamed Ali Hajji and Eduardo Mojica-Nava

On Caratheodory Quasilinear Functionals for BV Functions and Their Time Flows for a Dual H1 Penalty Model for Image Restoration
Thomas Wunderli