Topics in the theory of group presentations / D.L. Johnson.

By:

Johnson, D. L

Material type: Text

TextSeries: London Mathematical Society lecture note series ; 42.Publication details: Cambridge [England] ; New York : Cambridge University Press, 1980.Description: 1 online resource (vii, 311 pages) : illustrationsContent type:

text

Media type:

computer

Carrier type:

online resource

ISBN:

9781107360945
1107360943
9780511629303
0511629303

Subject(s):

Genre/Form:

Electronic books.

Additional physical formats: Print version:: Topics in the theory of group presentations.DDC classification:

512/.2 22

LOC classification:

QA171 .J593 1980eb

Other classification:

31.21

Online resources:

Click here to access online

Contents:

Cover; Title; Copyright; Contents; Preface; Chapter I. Free groups and free presentations; 1. Elementary properties of free groups; 2. The Nielsen-Schreier theorem; 3. Free presentations of groups; 4. Elementary properties of presentations; Chapter II. Examples of presentations; 5. Some popular groups; 6. Finitely-generated abelian groups; Chapter III. Groups with few relations; 7. Metacyclic groups; 8. Interesting groups with three generators; 9. Cyclically-presented groups; Chapter IV. Presentations of subgroups; 10. A special case; 11. Coset enumeration

12. The Reidemeister-Schreier rewriting process13. A method for presenting subgroups; Chapter V. The triangle groups; 14. The Euclidian case; 15. The elliptic case; 16. The hyperbolic case; Chapter VI. Extensions of groups; 17. Extension theory; 18. Teach yourself cohomology of groups; 19. Local cohomology and p-groups; 20. Presentations of group extensions; 21. The Golod-Safarevic theorem; 22. Some minimal presentations; Chapter VII. Small cancellation groups; 23. van Kampen diagrams; 24. From Eulerfs formula to Dehn's algorithm; 25. The existence of non-cyclic free subgroups

26. Some infinite Fibonacci groupsChapter VIII. Groups from topology; 27. Surfaces; 28. Knots; 29. Braids; 30. Tangles; Guide to the literature and references; Index of notation; Index

Summary: These notes comprise an introduction to combinatorial group theory and represent an extensive revision of the author's earlier book in this series, which arose from lectures to final-year undergraduates and first-year graduates at the University of Nottingham. Many new examples and exercises have been added and the treatment of a number of topics has been improved and expanded. In addition, there are new chapters on the triangle groups, small cancellation theory and groups from topology. The connections between the theory of group presentations and other areas of mathematics are emphasized throughout. The book can be used as a text for beginning research students and, for specialists in other fields, serves as an introduction both to the subject and to more advanced treatises.

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Item type	Home library	Collection	Call number	Materials specified	Status	Date due	Barcode
Electronic-Books	OPJGU Sonepat- Campus	E-Books EBSCO			Available

Includes bibliographical references and indexes.

Print version record.

These notes comprise an introduction to combinatorial group theory and represent an extensive revision of the author's earlier book in this series, which arose from lectures to final-year undergraduates and first-year graduates at the University of Nottingham. Many new examples and exercises have been added and the treatment of a number of topics has been improved and expanded. In addition, there are new chapters on the triangle groups, small cancellation theory and groups from topology. The connections between the theory of group presentations and other areas of mathematics are emphasized throughout. The book can be used as a text for beginning research students and, for specialists in other fields, serves as an introduction both to the subject and to more advanced treatises.

26. Some infinite Fibonacci groupsChapter VIII. Groups from topology; 27. Surfaces; 28. Knots; 29. Braids; 30. Tangles; Guide to the literature and references; Index of notation; Index

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