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MTH5113 · Low-dimensional topology

Official Handbook

2027 Handbook6 credit pointsLevel 5School of Mathematics

Last checked: 30 Sep 2026 UTC

Overview

The study of low-dimensional topology is the study of spaces of dimensions 2, 3, and 4, including the study of surfaces and their symmetries, knots and links, and structures on 3 and 4-manifolds. It has applications to mathematical fields such as geometry and dynamics; it also has modern applications to fields such as microbiology, physics, and computing. The unit will cover core concepts in low-dimensional topology such as surfaces and the mapping class group, descriptions of 3-manifolds by Heegaard splittings and Dehn fillings, cobordism in 4-dimensions. Additional topics may include prime and torus decompositions of 3-manifolds, knot and link invariants, contact and symplectic structures on manifolds, foliations, 3-manifold geometries, and applications to mathematical physics.

Areas of study: Master of Mathematics

Offerings

The Handbook publishes no offerings for this unit.

Assessment

The Handbook lists an examination for this unit.

#AssessmentTypeWeightHurdle
1Continuous assessmentDemonstration50%—
2Final assessment - Exam (3 hours and 10 minutes)Examination50%—

Assessment details may change. Please refer to the assessment information in Moodle closer to the start of the teaching period.

Requisites

prerequisite

PREREQUISITE: MTH3130 or MTH4130

MTH3130MTH4130

prohibition

PROHIBITION: MTH4113

MTH4113

Learning outcomes

  1. Formulate complex mathematical arguments using ideas from low-dimensional topology;
  2. Apply sophisticated tools of low-dimensional topology to tackle novel problems, for example, to distinguish or classify new spaces;
  3. Communicate mathematical concepts and arguments;
  4. Apply critical thinking to judge the validity of mathematical reasoning.

Workload

• Two 1.5 -hour seminars; • One 1-hour applied class (in weeks 2-12) and • Eight hours of independent study per week.

ActivityDuration
Applied sessions11 hours
Seminars36 hours

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