Doctoral Thesis / Dissertation from the year 2012 in the subject Mathematics - Miscellaneous, grade: Doctoral Degree, , course: Ph. D., language: English, abstract: First chapter starts with the definition of elementary function with previous algorithms on elementary & nonelementary functions. The second chapter contains Six Conjectures on Indefinite Nonintegrable Functions, which are traditionally known as nonelementary functions. In third chapter Dominating Function has been introduced, which dominates all most all elementary functions. In chapter four Different Types of Dominating Functions have been proposed with some properties. Chapter five contains two new functions Sequential Functions & Dominating Sequential Functions., which solves the problem of scarcity of elementary functions. In chapter six General Integrals of Dominating Sequential Functions have been generated and then indefinite integrals of some elementary and nonelementary functions have been derived. A Necessary & Sufficient Conditions for the Existence of Indefinite Integrals has been proposed in chapter seven. Possible integrals of all nonelementary functions discussed in chapter two have been discussed in chapter eight. Last chapter nine contains the Conclusion & Scope of Future Research in the field.

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Dharmendra Kumar Yadav got schooling from Putki High School, Putki, Dhanbad. He graduated with Honors from RSP College, Jharia and Post-graduated from P K Roy Memorial College, Dhanbad in Mathematics. He did M. Phil. from Alagappa University, Tamil Nadu. Then he got his doctorate degree from Vinoba Bhave University, Hazaribag, Jharkhand under the supervision of Dr. D. K. Sen on the topic entitled A Study of Indefinite Non-integrable Functions. In Vedic Mathematics He developed Aanuruppen-Binomial Method using Vedic Mathematics formula Aanuruppen Viddhi and Binomial theorem. In Complex Analysis he applied Law of Trichotomy on Imaginary Unit 'iota' and proved many properties related to it. By using it, he extended the real number to Imaginary Number Line and then ended to a Circular Number Line. He proved the Big-bang Theory and Pulsating Theory of the universe by applying the concept of Imaginary unit 'iota'. He has published more than 25 research papers in journals of national & international repute and presented them in more than 10 conferences and seminars. His areas of research are Integral Calculus, Nonelementary Functions, Imaginary Unit, Vedic Mathematics.

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