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(1)

ELTHLTMOLOGY

OF

GROUPS 552018

u

CAROLINE LASSUEUR TU KAISERSLAUTERN

(2)

ELTHTMLTLLTGY OF GROUPS 552018

A. ORGANISATION

LECTURE : Tuesdays

11:45

-

13:15

EXERCISES:

Wednesdays

Wednesdays 13:4510:00 -- 15:15

11:30

Exercise SheetsAssistant: Patrick: Wegeneronline : Tuesdays

Due date: Tuesdays

10:00

Start : 2nd Week . 1st Week : optional , short tutorial ongrouptheory

(3)

ETHLTMUTIGY OF GROUPS 552018

B.

BEFORE

AND AFTER

GroupTheory

Linear

Algebra

(AGSTE # Algebra) ( GDM)

Cohomology

of

Groups

.

Connections to other M.sc. Lectures:

. RepresentationTheory Reading Courses M.sc .

ilie Algebras

i.

Seminars

Thesis

.

Algebraic

Topology

(4)

EEHOMOLOGY OF GROUPS 552018

C.

INTRODUCTION

(

AimsLearnMain Aim

of

aboutthe

1.)

: lectureHomologicaldo

Group

: AlgebraTheory viaandaa modern

specific approach Cohomology Theory

Work with

the language

of

Category

Theory

and Universal Properties

Connections between

central extensions of groups

( 1 A > E±± > G - > 1 with HAKZCE ) ) and cohomology ( H' and H2) .

+ consequences

for

group

theory

: : Classifications of small

finite

group,

Schur

multiplier

. Simple

/

quasi-

simple

groups

(5)

www.ams.org/msc/msc2010.pdf

J.H. CONWAY, R.T. CURTIS, S.P. NORTON, R. PARKER, R.A. WILSON, Atlas of Finite Groups. Clarendon Press, Oxford, 1985.

ELTHLTMELLTGY OF GROUPS 552018

C.

INTRODUCTION

( Cohomology

2.) of

groups and the 2010 Mathematics

Subject Classification

(

The

3.)

ATLAS OF FINITE GROUPS .

(6)

ETHNOLOGY OF GROUPS 552018

D.

PROGRAMME

We will treat the following topics:

. Backgrounds on group theory

}

read by P. Wegener

. Backgrounds on module theory

.

Homological Algebra

K

I

Homology Cohomology

andand

cohomology group extensions of

groups

I. The

Schur multiplier

and

central extensions

I.

Projective

Representations

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