MATH5645 Number Theory (UNSW Sydney): rated 5.0/5 overall across 1 review collected on UNSW Wall.
MATH5645 is a UNSW Sydney course taught by the Faculty of Science in School of Mathematics & Statistics. This page brings together its handbook details and what UNSW students say about it.
Review data updated 2026-10-24.
Chinese title: 数论
Type: Postgraduate course
Credit points: 6
Subject area: School of Mathematics & Statistics
Faculty: Faculty of Science
Level: Postgraduate Level 5
Handbook year: 2026
Being at the intersection of two of the most beautiful and important areas of mathematics, Algebra and Number Theory, this course will build on your abstract algebra background to address number theoretic problems regarding integers or rational numbers, and their generalisation to algebraic numbers. The course will start with recalling some algebraic background, such as field extensions and basic Galois theory.
MATH5645 has 1 scored review: overall 5.0/5 (all out of 5; higher difficulty means harder).
Sources: 1 Reddit comment that an AI model judged to be reviewing this course (average would-recommend 5.0/5).
On Reddit: "MATH5645 (Algebraic Number Theory) Rating: 4.5/5 Difficulty: 4/5 Lecturer: Dr. Alina Ostafe Mark: 83 DN Comments: One of my favourite math courses thus far, and really consolidated why I’m choosing to do a Number Theory / Combinatorics thesis when I start my honours in 2023. It …"
The course panel on UNSW Wall shows every review and discussion in full.
Q: Is MATH5645 worth taking?
A: Averaged over 1 review: overall 5.0/5. Only a few reviews so far, so treat this as a rough guide.
Q: Which faculty teaches MATH5645, and when is it offered?
A: MATH5645 is taught by the Faculty of Science. Check the official handbook for the current year.
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