The homework assignments are organized according to the underlying topics. The due dates should be clear from the course syllabus and / or class. For resources on a particular subject check out __this page__.

__introductory / review material__: the Well-Ordering Principle and induction, the Greatest Common Divisor, Linear Diophantine Equations, Two Different Definitions of Primes and the Infinitude of Primes.

**As of Wednesday, September 14th this homework is way overdue.**

__First homework set on modular arithmetic__, up to and including the definitions of basic abstract algebra concepts.

**As of Wednesday, September 28th this homework is way overdue.**

__modular arithmetic__, up to and including Fermat’s Little Theorem.

__Homework__on the Euler phi-function and multiplicative functions in general.

__primitive roots, theory of indices__and such.

__Gaussian Integers__.

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