Swati Agrawal

Railway Engineering" offers an in-depth exploration of the principles and practices involved in the design, construction, operation, and maintenance of modern railway systems. It covers critical topics such as track design and alignment, signaling systems, rolling stock, station and terminal design, and the integration of advanced technologies in rail transport. The book also examines safety standards, sustainability efforts, and innovative practices to enhance system efficiency. With a focus on both theoretical and practical aspects, it serves as an invaluable resource for railway engineers, infrastructure planners, and industry professionals, providing a comprehensive foundation in the complexities of railway engineering.

This book entitled "The Extension of Fixed Point Theorems in Various b-Metric Spaces" is divided into following 8 chapters Chapter - I: The first chapter is an introductory part of our research work which includes the brief introduction of our topic. Chapter - II: Our second chapter titled as "Fixed Point Results for Various Contractions in b-Metric Spaces." Chapter - III: The chapter third having the title "Common Fixed Point Theorem in b-Metric Spaces for Compatible Mapping of Type (A)"Chapter - IV: The fourth chapter titled as, "Common Fixed Point Theorems for Two Self Compatible Mapping Satisfying an Implicit Relation of b-Metric Spaces." Chapter - V: The Chapter five titled as, "Existence of Fixed Point Theorem of Integral Type Contractions in b-Metric Spaces". Chapter - VI: Chapter six titled as "Coupled Coincidence Fixed Point Theorem in Two Weakly Compatible Mapping in b-Metric Spaces ". Chapter - VII: The seventh chapter titled as "Coincidence and Common Fixed Point Theorem using Compatible Mapping of Type (P) in Intuitionistic Fuzzy b-Metric Spaces" Chapter - VIII: Our last chapter titled as "Some Generalized Theorems of q-Contraction in Symmetric Nb-Fuzzy Metric Spaces".