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School of Mathematics

# MATH20222 - 2011/2012

General Information
• Title: Introduction to Geometry
• Unit code: MATH20222
• Credit rating: 10
• Level: 2
• Pre-requisite units:
• Co-requisite units:
• School responsible: Mathematics
• Members of staff responsible:
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## Unit specification

### Aims

To give an introduction to the basic ideas of geometry and topology.

### Brief description

This course unit introduces the basic ideas of the geometry of curves and surfaces in Euclidean space, differential forms and elementary topological concepts such as the Euler characteristic. These ideas permeate all modern mathematics and its applications.

### Intended learning outcomes

On successful completion of this module students will have acquired an active knowledge and understanding of the basic concepts of the geometry of curves and surfaces in three-dimensional Euclidean space and will be acquainted with the ways of generalising these concepts to higher dimensions.

### Future topics requiring this course unit

The ideas in this course unit will be developed further in third and fourth level course units in geometry and topology.

### Syllabus

1. Scalar product, orthonormal basis, orientation and vector product in R3.
2. Differential forms in R2 and R3. Geometrical meaning of differential forms. Examples: area of parallelogram, volume of parallelepiped.
3. Curves in R2 and R3. Velocity and acceleration vectors. Frenet curvature and centripetal acceleration.
4. Surfaces in R3 . Example: quadric surfaces. Saddle and hyperboloid as ruled surfaces. First quadratic form. Moving frame on a surface. Second quadratic form. Gaussian and mean curvatures.
5. The concept of parallel transport.
6. External and internal points of view on surfaces. [Gauss's Theorema Egregium (statement and applications).]
7. Euler characteristic and Gauss-Bonnet Theorem (statement and idea of proof.)

### Textbooks

• Andrew Pressley, Elementary Differential Geometry, Springer;
• Barrett O' Neill, Elementary Differential Geometry, Academic Press.

### Learning and teaching processes

Two lectures and one examples class each week. At least four hours private study each week.

### Assessment

Coursework: Weighting within unit 20%
2 hours end of semester examination: Weighting within unit 80%

## Arrangements

Online course materials are available for this unit.

Last modified: 29 July 2009

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