Theory of Algorithms

Lecturer:

Tutor:

Supervisor:

Department of Mathematics

Synopsis:

The course brings theoretical background of the theory of algorithms with the focus at first on the time and space complexity of algorithms and problems, secondly on the correctness of algorithms. Further it is dealt with the theory of complexity; the classes P, NP, NP-complete, PSPACE and NPSPACE are treated and properties of them investigated. Probabilistic algorithms are studied and the classes RP and ZZP introduced.

Requirements:

Logic and Graphs, Discrete Mathematics

Syllabus of lectures:

1.Analyzing algorithms and problems, classifying functions by their growth rates, time and space complexity.

2.Correctness of algorithms, variants and invariants.

3.Decision problems and optimization problems.

4.Turing machine and its variants.

5.Relation between Turing machine and RAM machine.

6.Classes P and NP.

7.Reduction and polynomial reduction of problems.

8.NP-complete problems, Cook's Theorem.

9.Classes PSPACE and NPSPACE..

10.Randomized algorithms with polynomial time complexity.

11.Classes RP and ZZP.

12.Undecidable problems.

13. Reserve.

Syllabus of tutorials:

1.Determining time and space complexity of well known algorithms.

2.Verifying correctness of algorithms using variants and invariants.

3.Turing machines.

4.Polynomial reductions of problems.

5.Examples of randomized algorithms.

6.Examples of undecidable problems.

Study Objective:

Study materials:

[1] Kozen, D. C.: The design and Analysis of Algorithms, Springer-Vrelag, 1991

[2] Harel, D: Algorithmics: The Spirit of Computing, Addison-Wesleyt Inc., Reading MA 2002

[3] Hopcroft, J., Motwani, R., Ullman, J.: Introduction to Automata Theory, Languages, and Computation, Addison-Wesley, 2001

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

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