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## ECM3740 - Topology and Metric Spaces (2015)

MODULE TITLE | Topology and Metric Spaces | CREDIT VALUE | 15 |
---|---|---|---|

MODULE CODE | ECM3740 | MODULE CONVENER | Dr Ana Rodrigues (Coordinator) |

DURATION: TERM | 1 | 2 | 3 |
---|---|---|---|

DURATION: WEEKS | 0 | 11 weeks | 0 |

Number of Students Taking Module (anticipated) | 25 |
---|

Topology and metric spaces provide a set of powerful tools that are used in many other branches of mathematics (from Algebraic Topology and Numerical Analysis to Dynamical Systems and Ergodic Theory). Fundamental to these topics is the idea of generalising the idea of “closeness” of two objects in a set to a very general setting. These techniques are fundamental to the understanding of more advanced topics in mathematics such as Measure Theory, Functional Analysis, Algebraic Topology and Algebraic Geometry.

This course aims to give an introduction to topology and metric spaces as well as applications to basic concepts of measure theory. In every section covered in this course we will start by studying the definitions and then we will present examples and some basic properties. Some important theorems will be stated and proved. With this module you will have the opportunity to further refine your skills in problem-solving, axiomatic reasoning and the formulation of mathematical proofs.

Pre-requisite - ECM2701 Analysis

The objective of this module is to provide you an introduction to Topology and Metric Spaces. Our main objective will be to define the basic concepts clearly and to provide proofs of useful theorems.

On successful completion of this module ** you should be able to**:

**Module Specific Skills and Knowledge**

2. State, prove and apply core theorems in Topology and metric spaces.

**Discipline Specific Skills and Knowledge**

4. Use abstract reasoning to solve a range of problems.

**Personal and Key Transferable / Employment Skills and Knowledge**

6. Communicate results in a clear, correct and coherent manner.

Review of some real analysis: Real numbers, real sequences, limits of functions, continuity, intervals, set theory. (3 lectures)

Metric spaces: Definition and examples, open and closed sets in metric spaces, equivalent metrics, examples. (4 lectures)

Topological spaces: Bases, sub-bases and weak topologies, topologies of subspaces and products, homeomorphisms. (4 lectures)

The Hausdorff condition: separation axioms, Hausdorff space, regular topological space. (3 lectures)

Compact spaces: Definition, Compactness of [a,b], properties of compact spaces, continuous maps on compact spaces. An inverse function theorem. (3 lectures)

Connected spaces: Connectedness, components, path-connectedness. (3 lectures)

Complete metric spaces: Definition and examples, Fixed point theorems, the contraction mapping theorem. (4 lectures)

Introduction to measure theory: Measure of plane sets. Outer and inner measure of a set. Measurable set (in the sense of Lebesgue). Some fundamental properties of Lebesgue measure and measurable sets. Definition and fundamental properties of measurable functions. (3 lectures)

If time allows, a selection from the following: σ-algebras. Positive Borel measures. The Riesz representation theorem. Lp-spaces. Elementary Hilbert space theory. Banach spaces. Baire’s theorem. (3 lectures)

Revision (3 lectures)

Scheduled Learning & Teaching Activities | 33.00 | Guided Independent Study | 127.00 | Placement / Study Abroad | 0.00 |
---|

Category | Hours of study time | Description |

Scheduled learning and teaching activities | 33 | Lectures including example classes |

Guided Independent Study | 127 | Lecture and assessment preparation |

Form of Assessment | Size of Assessment (e.g. duration/length) | ILOs Assessed | Feedback Method |
---|---|---|---|

Coursework | 20 | Written Exams | 80 | Practical Exams | 0 |
---|

Form of Assessment | % of Credit | Size of Assessment (e.g. duration/length) | ILOs Assessed | Feedback Method |
---|---|---|---|---|

Written examination | 80 | 2 hours | All | Examination Mark |

Coursework | 20 | 10 hours | All | Coursework Mark |

Original Form of Assessment | Form of Re-assessment | ILOs Re-assessed | Time Scale for Re-assessment |
---|---|---|---|

All Above | Written Examination | All | August Ref/Def Period |

If a module is normally assessed entirely by coursework, all referred/deferred assessments will normally be by assignment.

If a module is normally assessed by examination or examination plus coursework, referred and deferred assessment will normally be by examination. For referrals, only the examination will count, a mark of 40% being awarded if the examination is passed. For deferrals, candidates will be awarded the higher of the deferred examination mark or the deferred examination mark combined with the original coursework mark.

information that you are expected to consult. Further guidance will be provided by the Module Convener

**Basic reading:**

**ELE: http://vle.exeter.ac.uk/**

**Web based and Electronic Resources:**

**Other Resources:**

Reading list for this module:

Type | Author | Title | Edition | Publisher | Year | ISBN | Search |
---|---|---|---|---|---|---|---|

Set | Falconer, K. | Fractal Geometry | 2nd edition | Wiley | 2003 | 978-0470848623 | [Library] |

Set | W.A.Sutherland | • Introduction to metric and topological spaces | Oxford Science Publications | [Library] | |||

Set | Walter Rudin | Real and Complex Analysis | Third | McGraw Hill | [Library] | ||

Set | Charles Chapman Pugh | Real Mathematical Analysis | Undergraduate Texts in Mathematics, Springer | [Library] | |||

Set | James R Munkres | Topology | Prentice Hall | [Library] |

CREDIT VALUE | 15 | ECTS VALUE | 7.5 |
---|---|---|---|

PRE-REQUISITE MODULES | ECM2701 |
---|---|

CO-REQUISITE MODULES |

NQF LEVEL (FHEQ) | 6 | AVAILABLE AS DISTANCE LEARNING | No |
---|---|---|---|

ORIGIN DATE | Wednesday 14 January 2015 | LAST REVISION DATE | Wednesday 11 March 2015 |

KEY WORDS SEARCH | None Defined |
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