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Applications and Techniques of Contour Integration in Evaluating Complex and Real Integrals

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  • Sugandha Mantri

    (Assistant Professor, Department of Mathematics S.R.K. Patni Girls’ College, Kishangarh)

Abstract

Contour integration is a powerful method in complex analysis used to evaluate both complex and real integrals, particularly those that are difficult or impossible to compute using elementary calculus. By leveraging the properties of analytic functions, contour integration enables the transformation of seemingly intractable real integrals into more manageable complex integrals. This paper explores the theoretical underpinnings of contour integration, presents key techniques such as the residue theorem and Cauchy’s integral formula, and examines its applications in evaluating complex and real integrals. Special attention is given to the treatment of multivalued functions using branch cuts, the role of Riemann surfaces, and the significance of analytic continuation.

Suggested Citation

  • Sugandha Mantri, 2025. "Applications and Techniques of Contour Integration in Evaluating Complex and Real Integrals," International Journal of Latest Technology in Engineering, Management & Applied Science, RSIS International, vol. 14(8), pages 890-892, August.
    • Handle: RePEc:bjf:ijltem:v:14:y:2025:i:8:a:1689
    DOI: 10.51583/IJLTEMAS.2025.1408000113
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