In most churches, the decorations are red to symbolize the blood of martyrdom. Some churches remove all decorations on Good Friday, veiling anything that can’t be removed in black or purple ...

This book provides the reader with a starting point for understanding the topic. Although written at a research level it provides a comprehensive and accessible introduction to deep reinforcement ...

This book gives a self-contained introduction to the theory of lambda-rings and closely related topics, including Witt vectors, integer-valued polynomials, and binomial rings. Many of the purely ...