Good day, and welcome to the Vertex Pharmaceuticals First Quarter 2025 Earnings Call. [Operator Instructions]. Please note this event is being recorded. I would now like to turn the conference ...

This book is devoted to the study of existence of solutions or positive solutions for various classes of Riemann–Liouville and Caputo fractional differential equations, and systems of fractional ...

An important part of econometrics is concerned with developing methods for analyzing relationships in multi-equation models, with due regard to (a) the non-experimental, multi-causal nature of most ...

lavacreg (Latent Variable Count Regression Models)) is an R package to estimate multigroup structural equation models with count regressions (Poisson or negative binomial).