Unit MATHEMATICAL METHODS FOR PHYSICS

Course
Physics
Study-unit Code
GP005456
Location
PERUGIA
Curriculum
In all curricula
Teacher
Simone Pacetti
Teachers
  • Simone Pacetti
Hours
  • 84 ore - Simone Pacetti
CFU
12
Course Regulation
Coorte 2021
Offered
2022/23
Learning activities
Caratterizzante
Area
Teorico e dei fondamenti della fisica
Academic discipline
FIS/02
Type of study-unit
Obbligatorio (Required)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
Italian
Contents
Analytic complex functions of complex variable
Theorems for the contour integration in the complex plane
Integral and series representations
Fourier transforms
Linear vector spaces
Linear operators: definitions, representations and algebra
Integral and differential equations
Reference texts
"Complex Analysis"
S. Lang
Springer Verlag

"Complex Analysis"
L.V. Ahlfors
McGraw Hill

"Metodi Matematici per la Fisica"
C. Rossetti
Levrotto e Bella editore

"Introduction to Hilbert Spaces with Applications"
L. Debnath and P. Mikusinski
Academic Press
Educational objectives
Skill in handling complex analytic functions, i.e.:
identification of singularities, asymptotic behavior,
integral and series representations, as well as
complex contour integration using basic theorems and lemmas.
Ability in computing and using the Fourier transforms.
Knowledge of the linear operator algebra in Hilbert spaces,
giving special attention to Hermitian and unitary operators.
Mastery in classifying integral and differential equations,
in proving the existence and uniqueness of the solution and
in using procedures to compute such solutions.
Prerequisites
Limits of functions.
Differential and integral calculus.
Numerical sequences and series.
Teaching methods
Frontal lessons and practical training.
Learning verification modality
Written and oral exam.
Extended program
Complex numbers: properties and applications to Physics
Analytic functions
Conformal mapping
Zeros and singularities
Integration of complex-valued functions
Cauchy's theorem and integral formula
Integration of infinite and infinitesimal arcs.
Jordan's lemma
Cauchy principal value and Sokhotsky-Plemelj formula
The residue theorem
Integral representation and series
Convergence theorems
Taylor and Laurent series
The Mittag-Leffler theorem
Analytic continuation
Dispersion relations
Infinite products
The Euler's gamma function
The Riemann's Zeta function

Linear vector spaces
The Schwarz inequality
Banach and Hilbert spaces and vector series
Linear operators and basis
Hermitian and unitary operators
Projection operators
Eigenvectors and eigenvalues
Representation of an operator and its adjoint
Orthonormal bases and unitary transformations
The eigenvalue equation and the diagonalization procedure
Diagonalizable and normal operators
Quantum mechanical observables
Pauli matrices and their algebra
The Lebesgue measure and integral
Fourier series
Quadratically integrable functions
Convergence theorems for function sequences
Generalized functions and the Dirac delta
Fourier transforms
Solving differential equations using Fourier transforms
The Green function
Integral equations
Classical orthogonal polynomials
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