This book illustrates the challenges posed by the highly complex ESG regulation to corporate communication—and how they can be overcome. Starting from the year 2024, the requirements for Environmental, Social, and Governance (ESG) reporting will be significantly increased. The Corporate Sustainability Due Diligence Directive (CSDDD or CS3D) of the EU mandates that more companies of all sizes provide detailed explanations about the compatibility of their business models with ESG standards.

Group inverses for singular M-matrices are useful tools not only in matrix analysis, but also in the analysis of stochastic processes, graph theory, electrical networks, and demographic models. Group Inverses of M-Matrices and Their Applications highlights the importance and utility of the group inverses of M-matrices in several application areas.

This open access book constitutes the proceedings of the 27th International Conference on Agile Software Development, XP 2026, which took place in São Paulo, Brazil, during April 8-11, 2026.XP is the premier agile software development conference combining research and practice. It is a unique forum where agile researchers, practitioners, thought leaders, coaches, and trainers get together to present and discuss their most recent innovations, research results, experiences, concerns,...