Bijan Bagchi received his B.Sc., M.Sc., and Ph.D. degrees from the University of Calcutta. He has a variety of research interests and involvements ranging from spectral problems in quantum mechanics to exactly solvable models, supersymmetric quantum mechanics, parity-time- symmetry and related non-Hermitian phenomenology, nonlinear dynamics, integrable models and high energy phenomenology. He has published more than 150 research articles in refereed journals and held a number of international visiting positions. He is the author of the books entitled Advanced Classical Mechanics and Supersymmetry in Quantum and Classical Mechanics both published by CRC respectively in the years 2017 and 2000. He was formerly a Professor in Applied Mathematics at the University of Calcutta and currently a Professor in the Department of Physics at Shiv Nadar University.

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• Preface. Author Bio. Preliminary concepts and background material. Basic properties of a second order linear PDE. PDE: The elliptic form. PDE: The hyperbolic form. PDE: The parabolic form. Solving PDEs by the integral transform method. A Dirac delta function. B Fourier transform. C Laplace transform. Bibliography. Index.

Bijan Bagchi received his B.Sc., M.Sc., and Ph.D. degrees from the University of Calcutta. He has a variety of research interests and involvements ranging from spectral problems in quantum mechanics to exactly solvable models, supersymmetric quantum mechanics, parity-time- symmetry and related non-Hermitian phenomenology, nonlinear dynamics, integrable models and high energy phenomenology. He has published more than 150 research articles in refereed journals and held a number of international visiting positions. He is the author of the books entitled Advanced Classical Mechanics and Supersymmetry in Quantum and Classical Mechanics both published by CRC respectively in the years 2017 and 2000. He was formerly a Professor in Applied Mathematics at the University of Calcutta and currently a Professor in the Department of Physics at Shiv Nadar University.

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• Preface. Author Bio. Preliminary concepts and background material. Basic properties of a second order linear PDE. PDE: The elliptic form. PDE: The hyperbolic form. PDE: The parabolic form. Solving PDEs by the integral transform method. A Dirac delta function. B Fourier transform. C Laplace transform. Bibliography. Index.