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This book discusses about fuzzy graph and its several variations. Fuzzy graph is an extension of classical graph theory. In this book, every chapter is independent from the other. One can start any chapter by skipping other parts. The Introduction chapter gives the basic idea about the fuzzy graphs and several variations. The major problems considered in this book are: fuzzy colouring of fuzzy graphs, interval-valued fuzzy planar graphs, bipolar fuzzy planar graphs, fuzzy phi-tolerance competition graphs, interval-valued fuzzy competition graphs, interval-valued fuzzy threshold graphs, fuzzy shortest path in interval-valued fuzzy hypergraphs.

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Pramanik, Tarasankar
Dr. Tarasankar Pramanik received Master of Science degree in Mathematics in 2008 from Vidyasagar University, India. He has completed his research work in 2018 from Vidyasagar University, India. He has published several articles in many of the reputed journals. He has participated and presented scientific works in many international conferences.

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