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2008-2009 Bulletin – PDF - SEAS Bulletin - Columbia University

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APAM E9900x and y, and S9900<br />

Doctoral dissertation<br />

0 pts. Members of the faculty.<br />

A candidate for the doctorate may be required to<br />

register for this course every term after the<br />

course work has been completed, and until the<br />

dissertation has been accepted.<br />

COURSES IN APPLIED<br />

MATHEMATICS<br />

APMA E2101y Introduction to applied<br />

mathematics<br />

Lect: 3. 3 pts. Professor Keyes.<br />

Prerequisite: Calculus III. A unified, single-semester<br />

introduction to differential equations and linear<br />

algebra with emphases on (1) elementary analytical<br />

and numerical technique and (2) discovering<br />

the analogs on the continuous and discrete sides<br />

of the mathematics of linear operators: superposition,<br />

diagonalization, fundamental solutions.<br />

Concepts are illustrated with applications using<br />

the language of engineering, the natural sciences,<br />

and the social sciences. Students execute scripts<br />

in Mathematica and MATLAB (or the like) to illustrate<br />

and visualize course concepts (programming<br />

not required).<br />

APMA E3101x Linear algebra<br />

Lect: 3. 3 pts. Professor Spiegelman.<br />

Matrix algebra, elementary matrices, inverses,<br />

rank, determinants. Computational aspects of<br />

solving systems of linear equations: existenceuniqueness<br />

of solutions, Gaussian elimination,<br />

scaling, ill-conditioned systems, iterative techniques.<br />

Vector spaces, bases, dimension.<br />

Eigenvalue problems, diagonalization, inner<br />

products, unitary matrices.<br />

APMA E3102y Partial differential equations<br />

Lect: 3. 3 pts. Professor Bal.<br />

Prerequisite: MATH E1210 or the equivalent.<br />

Introduction to partial differential equations; integral<br />

theorems of vector calculus. Partial differential<br />

equations of engineering in rectangular, cylindrical,<br />

and spherical coordinates. Separation of the<br />

variables. Characteristic-value problems. Bessel<br />

functions, Legendre polynomials, other orthogonal<br />

functions; their use in boundary value problems.<br />

Illustrative examples from the fields of electromagnetic<br />

theory, vibrations, heat flow, and fluid<br />

mechanics.<br />

APMA E3900x and y Undergraduate research<br />

in applied mathematics<br />

0 to 4 pts. Members of the faculty.<br />

This course may be repeated for credit, but no<br />

more than 6 points may be counted toward the<br />

satisfaction of the B.S. degree requirements.<br />

Candidates for the B.S. degree may conduct an<br />

investigation in applied mathematics or carry out<br />

a special project under the supervision of the<br />

staff. Credit for the course is contingent upon the<br />

submission of an acceptable thesis or final report.<br />

APMA E4001y Principles of applied mathematics<br />

Lect: 3. 3 pts. Professor Schmitt.<br />

Prerequisites: Introductory linear algebra required.<br />

Ordinary differential equations recommended.<br />

Review of finite-dimensional vector spaces and<br />

elementary matrix theory. Linear transformations,<br />

change of basis, eigenspaces. Matrix representation<br />

of linear operators and diagonalization.<br />

Applications to difference equations, Markov<br />

processes, ordinary differential equations, and stability<br />

of nonlinear dynamical systems. Inner product<br />

spaces, projection operators, orthogonal bases,<br />

Gram-Schmidt orthogonalization. Least squares<br />

method, pseudo-inverses, singular value decomposition.<br />

Adjoint operators, Hermitian and unitary<br />

operators, Fredholm Alternative Theorem. Fourier<br />

series and eigenfunction expansions. Introduction<br />

to the theory of distributions and the Fourier<br />

Integral Transform. Green’s functions. Application<br />

to partial differential equations.<br />

APMA E4101x Introduction to dynamical<br />

systems<br />

Lect: 3. 3 pts. Professor Weinstein.<br />

Prerequisites: APMA E2101 (or MATH V1210) and<br />

APMA E3101 or their equivalents, or the instructor’s<br />

permission. An introductiion to the analytic<br />

and geometric theory of dynamical systems; basic<br />

existence, uniqueness, and parameter dependence<br />

of solutions to ordinary differential equations; constant<br />

coefficient and parametrically forced systems;<br />

fundamental solutions; resonance; limit points,<br />

limit cycles, and classification of flows in the plane<br />

(Poincare-Bendixson Theory); conservative and<br />

dissipative systems; linear and nonlinear stability<br />

analysis of equilibria and periodic solutions; stable<br />

and unstable manifolds; bifurctions, e.g. Andronov-<br />

Hopf; sensitive dependence and chaotic dynamics;<br />

selected applications.<br />

APMA E4150x Applied functional analysis<br />

Lect: 3. 3 pts. Professor Courdurier.<br />

Prerequisites: Advanced calculus and a course in<br />

basic analysis, or the instructor’s permission.<br />

Introduction to modern tools in functional analysis<br />

that are used in the analysis of deterministic and<br />

stochastic partial differential equations and in the<br />

analysis of numerical methods: metric and<br />

normed spaces, Banach space of continuous<br />

functions, measurable spaces, the contraction<br />

mapping theorem, Banach and Hilbert spaces,<br />

bounded linear operators on Hilbert spaces and<br />

their spectral decomposition, and (time permitting)<br />

distributions and Fourier transforms.<br />

APMA E4200x Partial differential equations<br />

Lect: 3. 3 pts. Instructor to be announced.<br />

Prerequisite: a course in ordinary differential equations.<br />

Techniques of solution of partial differential<br />

equations. Separation of the variables. Orthogonality<br />

and characteristic functions, nonhomogeneous<br />

boundary value problems. Solutions in orthogonal<br />

curvilinear coordinate systems. Applications of<br />

Fourier integrals, Fourier and Laplace transforms.<br />

Problems from the fields of vibrations, heat conduction,<br />

electricity, fluid dynamics, and wave propagation<br />

are considered.<br />

APMA E4204x Functions of a complex variable<br />

Lect: 3. 3 pts. Professor Polvani.<br />

Prerequisite: MATH V1202 or the equivalent.<br />

Complex numbers, functions of a complex variable,<br />

differentiation and integration in the complex<br />

plane. Analytic functions, Cauchy integral theorem<br />

and formula, Taylor and Laurent series, poles and<br />

residues, branch points, evaluation of contour<br />

integrals. Conformal mapping. Schwarz-Christoffel<br />

transformation. Applications to physical problems.<br />

APMA E4300y Introduction to numerical methods<br />

Lect: 3. 3 pts. Instructor to be announced.<br />

Prerequisites: MATH V1201, MATH E1210, and<br />

APMA E3101, or their equivalents. Some programming<br />

experience and Matlab will be extremely<br />

useful. Introduction to fundamental algorithms<br />

and analysis of numerical methods commonly<br />

used by scientists, mathematicians, and engineers.<br />

Ths course is designed to give a fundamental<br />

understanding of the building blocks of<br />

scientific computing that will be used in more<br />

advanced courses in scientific computing and<br />

numerical methods for PDEs. Topics include<br />

numerical solutions of algebraic systems, linear<br />

least-squares, eigenvalue problems, solution of<br />

nonlinear systems, optimization, interpolation,<br />

numerical integration and differentiation, initial<br />

value problems, and boundary value problems for<br />

systems of ODEs. All programming exercises will<br />

be in Matlab.<br />

APMA E4301x Numerical methods for partial<br />

differential equations<br />

Lect: 3. 3 pts. Professor Keyes.<br />

Prerequisites: APMA E4300 and E3102 or E4200,<br />

or their equivalents. Numerical solution of partial<br />

differential equtions (PDE) arising in various physical<br />

fields of application. Finite difference, finite<br />

element, and spectral methods. Elementary finite<br />

volume methods for conservation laws. Time<br />

stepping, method of lines, and simultaneous<br />

space-time discretization. Direct and iterative<br />

methods for boundary-value problems. Applied<br />

numerical analysis of PDE, including sources of<br />

numerical error and notions of convergence and<br />

stability, to an extent necessary for successful<br />

numerical modeling of physical phenomena.<br />

Applications will include the Poisson equation, heat<br />

equation, wave equation, and nonlinear equations<br />

of fluid, solid, and gas dynamics. Homework<br />

assignments will involve substantial programming.<br />

AMCS E4302x Parallel scientific computing<br />

Lect: 3. 3 pts. Offered in alternate years.<br />

Not given in <strong>2008</strong>–<strong>2009</strong>.<br />

Prerequisites: APMA E3101, E3102, and E4300,<br />

or their equivalents. Corequisites: APMA E4301<br />

and programming ability in C/C++ or FORTRAN/F90.<br />

An introduction to the concepts, the hardware and<br />

software environments, and selected algorithms<br />

and applications of parallel scientific computing,<br />

67<br />

<strong>SEAS</strong> <strong>2008</strong>–<strong>2009</strong>

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