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Combinatorics and Optimization (CO)

29 courses in the 1991–92 Undergraduate Calendar, read from the scanned original. The text comes from OCR, so check the scanned page before relying on a detail.

CO 220 Introductory CombinatoricsW 3C 0.5

Elementary principles of enumeration. Principle of inclusion-exclusion, generating functions, recurrence equations. Elementary graph theory and graphical algorithms. Introduction to design theory.

Antireq: C&O 230

C&O 220 cannot be counted for credit toward a BMath Honours degree.

Course Descriptions Classical Studies

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CO 230 Introduction to CombinatoricsF,W,S 3C 0.5

Introduction to the combinatorics of ordinary generating functions. Introduction to basic graph theory and graphical algorithms.

Prereq: MATH 130B, 134B or MATH 136, 138

Antireq: C&O 220

Also offered at St. Jerome's College in Fall Term.

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CO 270 Introduction to OptimizationF,W,S 3C 0.5

Structure and classification of optimization problems. The concepts of algorithm and heuristic. Continuous models. Linear models. Methods of branch-andbound, dynamic programming, implicit enumeration and approximation. Applications.

Prereq: MATH 130B, 134B or MATH 111B, 113B

Students may not enrol in C&O 270 if they have previously completed, or are concurrently enrolled in, C&O 350 or 367.

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CO 330 Combinatorial EnumerationF 3C 0.5

The combinatorics of the ordinary and exponential generating functions. Matrix methods, and decompositions. Applications to the enumeration of sequences, permutations, trees, lattice paths and partitions.

Prereq: C&O 230

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CO 331 Coding TheoryW 3C 0.5

A first course in error-correcting codes. Linear block codes, Hamming-Golay codes and multiple error-correcting BCH codes are studied. Various encoding and decoding schemes are considered. Prereq: MATH 234B or PMATH 336 Offered at St. Jerome's College.

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CO 342 Graph Theory 1F,S 3C 0.5

An introduction to the ideas, methods

and applications of graph theory.

Finding shortest paths and maximum

matchings in weighted graphs. Deter-

mining the connectivity of a graph. Prereq: C&O 230

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CO 343 Graph Theory 2W 3C 0.5

Planar graphs and embeddings in other surfaces. Vertex, edge and face colourings. The four-colour problem. Hamilton cycles. Integral flows.

Prereq: C&O 342

16:35

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CO 350 Linear ProgrammingF,W,S 3C 0.5

A first course in problem formulation and solution techniques in linear programming. The simplex and revised simplex methods. Active set formulation of the simplex method. Theory and applications of duality theory. Sensitivity Analysis.

Prereq: MATH 2244 or 235

Antireq: ACTSC 335

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CO 351 Network Flow TheoryF,W,S 3C 0.5

Review of linear programming. Shortest

path problems. The max-flow and

minimum cost flow problems. Network

simplex, augmentation and out-of-kilter

algarithms. Applications to problems of

transportation, distribution, man-job

assignments and critical-path planning. Prereq: C&O 350

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CO 367 Nonlinear ProgrammingF,W 3C 0.5

One-dimensional optimization. Introduction to unconstrained optimization in several variables including Newton's method, secant methods, conjugate gradient methods and the special case of quadratic forms. Introduction to constrained optimization including the elements of Kuhn-Tucker theory, active set methods and penalty function techniques.

Prereq: MATH 230A, 234A or MATH 235, 237

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CO 370 Deterministic OR ModelsF,W 3C 0.5

An applications-oriented course that illustrates how various mathematical models and methods of optimization can be used to solve problems arising in business, industry and science. Prereq: C&O 350 Antireq: ACTSC 335

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CO 380 Mathematical Discovery and InventionW,S 3C 0.5

A course in problem solving. 100 problems are studied. Problems are taken mainly from the elementary parts of aigebra, geometry, number theory, combinatorics and probability.

Prereq: MATH 130B, 134A/B or MATH 135, 136, 138

Although the mathematics for this course is technically elementary, the course is intended for third and fourthyear students, and the mathematical maturity of a senior student will be assumed.

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CO 382 Combinatorial Geometry2C 0.5

An introduction to the combinatorial aspects of the real plane. Main topics covered are the enumeration of various combinatorial objects in the plane, Sylvester's Triad Problem, Pick's Theorem, partitioning the interior of a rectangle into squares of different sizes, an introduction to the theory of convex sets in the plane. Helly's theorem and certain ramifications will be explored.

Prereq: MATH 1308, 134A/B or MATH 135, 136, 138

Although the mathematics for this course is technically elementary, the course is intended for third and fourthyear students, and the mathematical maturity of a senior student will be assuimied.

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CO 430 Algebraic EnumerationW 3C 0.5

The course is an extension of C&O 330. The Lagrange implicit function theorem, hypergeometric series, and the ring of formal Laurent series. The combinatorics of Eulerian generating series, enumeration under the action of a group, the algebra of symmetric functions, the group algebra of the symmetric group, with applications.

Prereq: C&O 330

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CO 434 Combinatorial DesignF 2C 0.5

Topics covered include error correcting codes, resolvable designs, affine designs, weighing matrices, and their interaction.

Prereq: MATH 234B or PMATH 336

C&0.437 W 3C 08 Cryptography and Communications Security Conventional or single key cryptography from the Caesar cipher to the U.S. Data Encryption Standard. Public or two key cryptography. Applications include secrecy/privacy, user or message authentication, financial transactions security. «

Prereq: STAT 230. At least one of C&O 331 and PMATH 340 is recommended.

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CO 438 Combinatorial ComputingF 3C 0.5

A course covering a number of applications of computers to combinatorial problems. General procedures — backtrack programming, generation of permutations, partitions, etc., as well as the solution of many specitic problems. Includes an introduction to computational complexity.

Prereq: C&O 230

Course Descriptions Combinatorics and Optimization

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CO 439 Topics In Combinatorics2C 0.5

An undergraduate seminar in combinatorics. The primary objective is to study current work in specific areas of combinatorics. Course content may vary from term to term.

Prereq: Consent of instructor

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CO 440 Topics in Graph TheoryF 2C 0.5

An in-depth study of one or two topics in graph theory. Course content may vary from term to term. Topics may include planar graphs, extremal graph theory, directed graphs, enumeration, algebraic graph theory, probabilistic graph theory, connectivity, graph embedding, colouring problems. Prereq: C&O 342 or consent of instructor

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CO 450 Combinatorial OptimizationF 20 0.5

Packing, covering and partitioning problams. Integer programming. Good algorithms for optimum assignments, matchings, flows, anti-chains and connectivity. Paths, trees and flowers. Min-max relations. Convexification of discrete problems. Vertices and facets of convex polyhedra. The concepts of NP and co-NP. Reducing NP problems to integer programming.

Prereq: C&O 351

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CO 452 Integer ProgrammingW 20 0.5

Formulation of problems as integer linear programs. Solution by branchand-bound and cutting plane algorithms. Introduction to the theory of valid inequalities and polyhedral combinatorics.

Prereq: C&O 351

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CO 454 SchedulingF,S 3C 0.5

Sequencing algorithms for scheduling tasks on single machines, parallel machines, and flow shops. Applications to scheduling computers and manufacturing facilities. Combinatorial techniques used in algorithm development and convergence proofs.

Prereq: C&O 351 or 370

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CO 456 Game TheoryW,S 3C 0.5

An introduction to the analysis, through

appropriate mathematica! models, of

competitive situations such as those

arising in social, economic, political or

military conitict. Emphasis is placed on

the theory of two-person games. Prereg: C&O 350

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CO 458 Numerical Linear ProgrammingW 3C 0.5

Methods for the minimization and maximization of piecewise linear functions and linear functions subject to linear constraints, with applications to linear programming and data fitting. Emphasis is on algorithms, numerical considerations and software implementation, that take into account the fact that in practise many of these problems are large and sparse.

Prereq: One of CS 372, C&O 350, or CS 337 and consent of instructor. CS 374 is recommended.

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CO 459 Topics in Optimization2C 0.5

An undergraduate seminar in optimization. The primary objective is to study recent work in specific areas of aptimization. Course content may vary from term to term.

Prereq: Consent of instructor

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CO 464 Quadratic ProgrammingW 2C 0.5

A detailed presentation of optimality conditions and effective algorithms for the solution of a quadratic programming problem. All concepts are developed as natural extensions of their counterparts in linear programming. Applications from portfolio analysis, engineering plasticity, regression, pattern recognition.

Prereq: C&O 350

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CO 466 Continuous OptimizationF 2C 0.5

Geometry and numerical algorithms of nonlinear optimization. Variable metric and conjugate gradient methods. Convex programming. Feasible and nonfeasible direction methods. Recursive quadratic programming, nonorthogonal projections and active set strategies.

Prereq: C&O 350, 367

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CO 480 History of Mathematics 1F 2C 0.5

An in-depth examination of the origins of modern mathematics, beginning with examples of Babylonian mathematics. Topics include Pythagorean triples, solution of equations, estimation of pi, duplication of the cube, trisection of an angle.

Prereq: MATH 130B, 134A/B or MATH 135, 136, 138

Although the mathematics for this course is technically elementary, the course is intended for third and fourthyear students, and the mathematical maturity of a senior student will be assumed.

Combinatorics and Optimization

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CO 481 History of Mathematics 2W,S 2C 0.5

A continuation of C&O 480 (History of Mathematics 1), based on more recent mathematics, beginning with the Fibonacci sequence and including the origins of calculus.

Prereq: MATH 130B, 134A/B or

MATH 135, 136, 138

Although the mathematics for this

course is technically elementary, the course is intended for third and fourthyear students, and the mathematical maturity of a senior student will be assumed.

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CO 499 Reading in Combinatorics and OptimizationF,W,S 2R 0.5

Prereq: Consent of department

Computer Science

Undergraduate Advisors A. Pidduck, DC 3106, ext 4662 N. Zinatelli, DC 3105, ext 4661

introductory Notes

1

The Department of Computer Science has two distinct streams of courses, one for students who have been admitted into a Computer Science Major program, and another especially designed for non-specialists who wish to become sophisticated computer users. Within this context, Computer Science Major programs include Honours Computer Science, Honours Co-op Computer Science with Electrical Engineering Electives, Honours Co-op Computer Science - Information Systems Option, and aif Joint and Double Honours BMath programs involving Computer Science as one of the majors.

CS 131 and 132, required in all four-year BMath programs, are normally restricted to students in the Faculty of Mathematics. All other CS courses numbered witha middle digit of 0 through 3 are nonspecialist courses. As such, they will not normally be open to Computer Science Major students, but they will be available to all other Students in the University, subject to resource limitations.

Several CS Major courses are also open to other students. In addition, where resources permit.

students with exceptionally high academic standing in other programs may be considered for admission to restricted CS Major courses on an individual basis. To be considered, students should consult a Computer Science Undergraduate Advisor.

The Computer Science Department is experiencing demand for its courses beyond available resources. Thus, accessibility to Computer Science courses cannot be guaranteed to all students. Every effort will be made to accommodate those students who preregister during published University preregistration periods. While priority will be. given to these preregistrants, admission to specific courses cannot be guaranteed and course substitutions may be required to satisfy degree requirements.

Regular students will not normally be permitted to enrol in Computer Science courses during the Spring term. (See section 6:4 on page 13:38.)

Co-op students will not normally be permitted to enrol in Computer Science courses while on a work term.

All other part-time students, as well as full-time non-degree and post-degree students, will normally be limited to at most one Computer Science course per term from the non-specialist offerings. (Postdegree students on academic leave from their home institution should consult a Computer Science Advisor to arrange an appropriate selection of courses.) Priority for registration will normally be given to students registered full-time in a degree program.

Students in first and second year are limited to one Computer Science course per term. Students in CS Major programs are limited to three CS courses per term in third and fourth year. Other students are limited to two CS courses per term in third and fourth year.

Please note that the terms in which courses are offered may deviate from those indicated below. Students are advised to consult the University Course Offerings List published at preregistration time.

Students in faculties other than Mathematics should take particular

note of the following courses: CS 100, 102, 212, 230, 316.

For the purposes of satisfying prerequisites for non-specialist courses, except where otherwise Specified, the second eniry in each of the following course pairings may normally be substituted for the first entry of that pairing: (CS 230 and 241) and (CS 334 and 340).

Students who have demonstrated exceptionally strong academic performance will be permitted to enrol in 600-level CS courses at the discretion of the instructor, if there is available capacity. Courses at the 600 level may not be used to satisfy a program requirement for minimum

number of courses in Computer Science at the 400 level, but may be taken in piace of additional 400-ievel courses.

9. The prerequisite phrase “x-year Standing” means that a student must be registered in year x or higher.

10. The following courses are offered in conjunction with the Division of Mathematics for Industry and Commerce: CS 330, 338, 432, 446, 448 and 482.

17.

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The standard penalty for cheating will be the assignment of a grade of -100% for the assignment, test or exam in question, with a minimum deduction of 5% from the final course grade. All such incidents will also be reported to the Associate Dean (Undergraduate Studies) of the student's faculty.

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