Recent Research Trends in Mathematics (Volume – 4), edited by Dr. Ruchika Mehta and Dr. Manoj Kumar Sharma, showcases contemporary mathematical advancements and interdisciplinary applications in fields such as fuzzy algebra, fluid dynamics, cosmology, and natural pattern modeling. With eight rigorously peer-reviewed chapters, the volume explores topics like bipolar smooth fuzzy soft subgroupoids, MHD micropolar fluid dynamics, and mathematical interpretations of nature. This edition serves as a valuable resource for mathematics researchers, academicians, and postgraduate scholars aiming to understand modern theoretical and applied mathematical research. Published by Integrated Publications, it brings together theoretical rigor and practical relevance.