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Course, academic year 2023/2024
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Classical Theory of Partial Differential Equations - NDIR005
Title: Klasická teorie parciálních diferenciálních rovnic
Guaranteed by: Mathematical Institute of Charles University (32-MUUK)
Faculty: Faculty of Mathematics and Physics
Actual: from 2007
Semester: summer
E-Credits: 6
Hours per week, examination: summer s.:2/2, C+Ex [HT]
Capacity: unlimited
Min. number of students: unlimited
4EU+: no
Virtual mobility / capacity: no
State of the course: cancelled
Language: Czech
Teaching methods: full-time
Teaching methods: full-time
Guarantor: doc. RNDr. Mirko Rokyta, CSc.
Class: Mat. analýza
Mat. modelování
Mat. struktury, povinné předměty (blok B)
Classification: Mathematics > Differential Equations, Potential Theory
Co-requisite : NRFA006
Pre-requisite : NMAA021
Is pre-requisite for: NMOD017, NDIR036
Annotation -
Last update: T_KMA (15.05.2001)
Classical solvability of boundary and initial value problems for partial differential equations. Systems of the first order, elliptic, parabolic and hyperbolic equations of the second order.
Literature - Czech
Last update: RNDr. Pavel Zakouřil, Ph.D. (05.08.2002)

John O., Nečas J.: Rovnice matematické fyziky, SPN 1972

L. C. Evans: Partial Differential Equations, AMS 1999

M. Renardy, R. C. Rogers: An introduction to partial differential equations, Springer 1993

Syllabus -
Last update: T_KMA (15.05.2003)

I. PDEs of first order and their connection with the systems of ODEs. Fundamental systems of solutions. Cauchy problem for transport and Burgers' equations - examples of the non-existence of a global classical solution. II. Theorem of Cauchy-Kowalevska. Higher order partial differential equations. Characteristics. Classification of PDEs of the second order.

III. PDEs of elliptic type. Laplace and Poisson equations. Fundamental solutions, Green representation formula. Poisson's formula. Properties of harmonic functions: Mean-value formula, strong maximum principle, Liouville's theorem, analyticity, theorem on removable singularity, Harnack's theorems, Uniqueness of the solution for external Dirichlet problem in case of d>2. Existence of classical solution. Energy inequalities - proof of uniqueness. Dirichlet Principle.

IV. Heat equation. Fundamental solution. Poisson formula for the classical solution of Cauchy problem. Duhamel's principle. Maximum principles the initial-boundary value problem and for Cauchy problem. Uniqueness results. Energy inequalities.

V. Wave equation. Uniqueness result. Fundamental solutions for n = 1, 2, 3. Classical solution of Cauchy problem for n = 3. D'Alembert, Poisson and Kirchhoff formula. Duhamel principle.

 
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