MATH365 ELEMENTARY NUMBER THEORY I

Course Code:2360365
METU Credit (Theoretical-Laboratory hours/week):3 (3.00 - 0.00)
ECTS Credit:6.0
Department:Mathematics
Language of Instruction:English
Level of Study:Undergraduate
Course Coordinator:Assist.Prof.Dr EROL SERBEST
Offered Semester:Fall Semesters.

Course Objectives

At the end of the course students are expected to:

  • Know the basic properties of primitive roots and quadratic residues of an integer
  • Use indices to solve some congruences
  • Compute the Legendre symbol using Quadratic reciprocity law, and solve quadratic congruences using quadratic residues
  • Learn special properties of perfect numbers, Mersenne primes, Fermat numbers and Fibronacci numbers
  • Solve linear and quadratic Diophantine equations parametrically
  • Understand Fermat’s infinite descent argument while proving that a Diophantine equation has no solution
  • Learn how integers can be represented as sums of two or more squares
  • Find all solutions of Pell’s equation either using the primitive solution or by means of continued fractions
  • Use basic properties of infinite continued fractions

Course Content

Divisibility, congruences, Euler, Chinese Remainder and Wilson`s Theorems. Arithmetical functions. Primitive roots. Quadratic residues and quadratic reciprocity. Diophantine equations.


Course Learning Outcomes

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Program Outcomes Matrix

Level of Contribution
#Program Outcomes0123
1Acquires mathematical thinking skills (problem solving, generating ways of thinking, forming correspondence, generalizing etc.) and can use them in related fields.✔
2Can produce innovative thoughts and products.✔
3Can design mathematics related problems, devise solution methods and apply them when appropriate.✔
4Has a comprehension of mathematical symbols, concepts together with the interactions among them and can express his/her solutions similarly.✔
5Has a command of Turkish and English languages so that he/she can actively communicate (read, write, listen and speak).✔
6Contributes to solving global, environmental and social problems either individually or as being part of a social group.✔
7Respects ethical values and rules; applies them in professional and social issues.✔
8Can work cooperatively in a team and also individually.✔
9Is responsive to life-long learning, improving his/her skills and abilities✔
10Comprehends necessity of knowledge, can define it and acquires it; uses knowledge effectively and shares it with others✔

0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution