A Compactification of the Bruhat-Tits Building

A Compactification of the Bruhat-Tits Building

Author: Erasmus Landvogt

Publisher: Springer

Published: 2006-11-14

Total Pages: 159

ISBN-13: 3540455566

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The aim of this work is the definition of the polyhedral compactification of the Bruhat-Tits building of a reductive group over a local field. In addition, an explicit description of the boundary is given. In order to make this work as self-contained as possible and also accessible to non-experts in Bruhat-Tits theory, the construction of the Bruhat-Tits building itself is given completely.


Book Synopsis A Compactification of the Bruhat-Tits Building by : Erasmus Landvogt

Download or read book A Compactification of the Bruhat-Tits Building written by Erasmus Landvogt and published by Springer. This book was released on 2006-11-14 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this work is the definition of the polyhedral compactification of the Bruhat-Tits building of a reductive group over a local field. In addition, an explicit description of the boundary is given. In order to make this work as self-contained as possible and also accessible to non-experts in Bruhat-Tits theory, the construction of the Bruhat-Tits building itself is given completely.


Bruhat–Tits Theory

Bruhat–Tits Theory

Author: Tasho Kaletha

Publisher: Cambridge University Press

Published: 2022-12-31

Total Pages: 750

ISBN-13: 1108935028

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Bruhat-Tits theory that suffices for the main applications. Part III treats modern topics that have become important in current research. Part IV provides a few sample applications of the theory. The appendices contain further details on the topic of integral models.


Book Synopsis Bruhat–Tits Theory by : Tasho Kaletha

Download or read book Bruhat–Tits Theory written by Tasho Kaletha and published by Cambridge University Press. This book was released on 2022-12-31 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bruhat-Tits theory that suffices for the main applications. Part III treats modern topics that have become important in current research. Part IV provides a few sample applications of the theory. The appendices contain further details on the topic of integral models.


Bruhat–Tits Theory

Bruhat–Tits Theory

Author: Tasho Kaletha

Publisher: Cambridge University Press

Published: 2023-01-31

Total Pages: 749

ISBN-13: 1108831966

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Comprehensive treatment of Bruhat-Tits theory for graduate students and researchers in number theory, representation theory, and algebraic geometry.


Book Synopsis Bruhat–Tits Theory by : Tasho Kaletha

Download or read book Bruhat–Tits Theory written by Tasho Kaletha and published by Cambridge University Press. This book was released on 2023-01-31 with total page 749 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive treatment of Bruhat-Tits theory for graduate students and researchers in number theory, representation theory, and algebraic geometry.


Descent in Buildings (AM-190)

Descent in Buildings (AM-190)

Author: Bernhard Mühlherr

Publisher: Princeton University Press

Published: 2015-09-22

Total Pages: 352

ISBN-13: 0691166919

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Descent in Buildings begins with the resolution of a major open question about the local structure of Bruhat-Tits buildings. The authors then put their algebraic solution into a geometric context by developing a general fixed point theory for groups acting on buildings of arbitrary type, giving necessary and sufficient conditions for the residues fixed by a group to form a kind of subbuilding or "form" of the original building. At the center of this theory is the notion of a Tits index, a combinatorial version of the notion of an index in the relative theory of algebraic groups. These results are combined at the end to show that every exceptional Bruhat-Tits building arises as a form of a "residually pseudo-split" Bruhat-Tits building. The book concludes with a display of the Tits indices associated with each of these exceptional forms. This is the third and final volume of a trilogy that began with Richard Weiss' The Structure of Spherical Buildings and The Structure of Affine Buildings.


Book Synopsis Descent in Buildings (AM-190) by : Bernhard Mühlherr

Download or read book Descent in Buildings (AM-190) written by Bernhard Mühlherr and published by Princeton University Press. This book was released on 2015-09-22 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Descent in Buildings begins with the resolution of a major open question about the local structure of Bruhat-Tits buildings. The authors then put their algebraic solution into a geometric context by developing a general fixed point theory for groups acting on buildings of arbitrary type, giving necessary and sufficient conditions for the residues fixed by a group to form a kind of subbuilding or "form" of the original building. At the center of this theory is the notion of a Tits index, a combinatorial version of the notion of an index in the relative theory of algebraic groups. These results are combined at the end to show that every exceptional Bruhat-Tits building arises as a form of a "residually pseudo-split" Bruhat-Tits building. The book concludes with a display of the Tits indices associated with each of these exceptional forms. This is the third and final volume of a trilogy that began with Richard Weiss' The Structure of Spherical Buildings and The Structure of Affine Buildings.


Buildings of Spherical Type and Finite BN-Pairs

Buildings of Spherical Type and Finite BN-Pairs

Author: J. Tits

Publisher: Springer

Published: 2009-02-05

Total Pages: 313

ISBN-13: 3540383492

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These notes are a slightly revised and extended version of mim- graphed notes written on the occasion of a seminar on buildings and BN-pairs held at Oberwolfach in April 1968. Their main purpose is to present the solution of the following two problems: (A) Determination of the buildings of rank >; and irreducible, spherical type, other than ~ and H ("of spherical type" means "with finite Weyl 4 group", about the excluded types H, cf. the addenda on p. 274). Roughly speaking, those buildings all turn out to be associated to simple algebraic or classical groups (cf. 6. ;, 6. 1;, 8. 4. ;, 8. 22, 9. 1, 10. 2). An easy application provides the enumeration of all finite groups with BN-pairs of irreducible type and rank >;, up to normal subgroups contained in B (cf. 11. 7). (B) Determination of all isomorphisms between buildings of rank > 2 and spherical type associated to algebraic or classical simple groups and, in parti cular, description of the full automorphism groups of such buildings (cf. 5. 8, 5. 9, 5. 10, 6. 6, 6. 1;, 8. 6, 9. ;, 10. 4). Except for the appendices, the notes are rather strictly oriented - ward these goals.


Book Synopsis Buildings of Spherical Type and Finite BN-Pairs by : J. Tits

Download or read book Buildings of Spherical Type and Finite BN-Pairs written by J. Tits and published by Springer. This book was released on 2009-02-05 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: These notes are a slightly revised and extended version of mim- graphed notes written on the occasion of a seminar on buildings and BN-pairs held at Oberwolfach in April 1968. Their main purpose is to present the solution of the following two problems: (A) Determination of the buildings of rank >; and irreducible, spherical type, other than ~ and H ("of spherical type" means "with finite Weyl 4 group", about the excluded types H, cf. the addenda on p. 274). Roughly speaking, those buildings all turn out to be associated to simple algebraic or classical groups (cf. 6. ;, 6. 1;, 8. 4. ;, 8. 22, 9. 1, 10. 2). An easy application provides the enumeration of all finite groups with BN-pairs of irreducible type and rank >;, up to normal subgroups contained in B (cf. 11. 7). (B) Determination of all isomorphisms between buildings of rank > 2 and spherical type associated to algebraic or classical simple groups and, in parti cular, description of the full automorphism groups of such buildings (cf. 5. 8, 5. 9, 5. 10, 6. 6, 6. 1;, 8. 6, 9. ;, 10. 4). Except for the appendices, the notes are rather strictly oriented - ward these goals.


Spectral Theory and Analytic Geometry over Non-Archimedean Fields

Spectral Theory and Analytic Geometry over Non-Archimedean Fields

Author: Vladimir G. Berkovich

Publisher: American Mathematical Soc.

Published: 2012-08-02

Total Pages: 181

ISBN-13: 0821890204

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The purpose of this book is to introduce a new notion of analytic space over a non-Archimedean field. Despite the total disconnectedness of the ground field, these analytic spaces have the usual topological properties of a complex analytic space, such as local compactness and local arcwise connectedness. This makes it possible to apply the usual notions of homotopy and singular homology. The book includes a homotopic characterization of the analytic spaces associated with certain classes of algebraic varieties and an interpretation of Bruhat-Tits buildings in terms of these analytic spaces. The author also studies the connection with the earlier notion of a rigid analytic space. Geometrical considerations are used to obtain some applications, and the analytic spaces are used to construct the foundations of a non-Archimedean spectral theory of bounded linear operators. This book requires a background at the level of basic graduate courses in algebra and topology, as well as some familiarity with algebraic geometry. It would be of interest to research mathematicians and graduate students working in algebraic geometry, number theory, and -adic analysis.


Book Synopsis Spectral Theory and Analytic Geometry over Non-Archimedean Fields by : Vladimir G. Berkovich

Download or read book Spectral Theory and Analytic Geometry over Non-Archimedean Fields written by Vladimir G. Berkovich and published by American Mathematical Soc.. This book was released on 2012-08-02 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to introduce a new notion of analytic space over a non-Archimedean field. Despite the total disconnectedness of the ground field, these analytic spaces have the usual topological properties of a complex analytic space, such as local compactness and local arcwise connectedness. This makes it possible to apply the usual notions of homotopy and singular homology. The book includes a homotopic characterization of the analytic spaces associated with certain classes of algebraic varieties and an interpretation of Bruhat-Tits buildings in terms of these analytic spaces. The author also studies the connection with the earlier notion of a rigid analytic space. Geometrical considerations are used to obtain some applications, and the analytic spaces are used to construct the foundations of a non-Archimedean spectral theory of bounded linear operators. This book requires a background at the level of basic graduate courses in algebra and topology, as well as some familiarity with algebraic geometry. It would be of interest to research mathematicians and graduate students working in algebraic geometry, number theory, and -adic analysis.


The Structure of Affine Buildings. (AM-168)

The Structure of Affine Buildings. (AM-168)

Author: Richard Mark Weiss

Publisher: Princeton University Press

Published: 2009

Total Pages: 388

ISBN-13: 9780691138817

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Richard Weiss gives a detailed presentation of the complete proof of the classification of Bruhat-Tits buildings first completed by Jacques Tits in 1986. The book includes numerous results about automorphisms, completions and residues of these buildings.


Book Synopsis The Structure of Affine Buildings. (AM-168) by : Richard Mark Weiss

Download or read book The Structure of Affine Buildings. (AM-168) written by Richard Mark Weiss and published by Princeton University Press. This book was released on 2009 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Richard Weiss gives a detailed presentation of the complete proof of the classification of Bruhat-Tits buildings first completed by Jacques Tits in 1986. The book includes numerous results about automorphisms, completions and residues of these buildings.


Ottawa Lectures on Admissible Representations of Reductive P-adic Groups

Ottawa Lectures on Admissible Representations of Reductive P-adic Groups

Author: Clifton Cunningham

Publisher: American Mathematical Soc.

Published: 2009-01-01

Total Pages: 217

ISBN-13: 0821885944

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Book Synopsis Ottawa Lectures on Admissible Representations of Reductive P-adic Groups by : Clifton Cunningham

Download or read book Ottawa Lectures on Admissible Representations of Reductive P-adic Groups written by Clifton Cunningham and published by American Mathematical Soc.. This book was released on 2009-01-01 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:


Compactifications of Symmetric Spaces

Compactifications of Symmetric Spaces

Author: Yves Guivarc'h

Publisher: Springer Science & Business Media

Published: 1998-08-26

Total Pages: 310

ISBN-13: 9780817638993

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The concept of symmetric space is of central importance in many branches of mathematics. Compactifications of these spaces have been studied from the points of view of representation theory, geometry, and random walks. This work is devoted to the study of the interrelationships among these various compactifications and, in particular, focuses on the martin compactifications. It is the first exposition to treat compactifications of symmetric spaces systematically and to uniformized the various points of view. The work is largely self-contained, with comprehensive references to the literature. It is an excellent resource for both researchers and graduate students.


Book Synopsis Compactifications of Symmetric Spaces by : Yves Guivarc'h

Download or read book Compactifications of Symmetric Spaces written by Yves Guivarc'h and published by Springer Science & Business Media. This book was released on 1998-08-26 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of symmetric space is of central importance in many branches of mathematics. Compactifications of these spaces have been studied from the points of view of representation theory, geometry, and random walks. This work is devoted to the study of the interrelationships among these various compactifications and, in particular, focuses on the martin compactifications. It is the first exposition to treat compactifications of symmetric spaces systematically and to uniformized the various points of view. The work is largely self-contained, with comprehensive references to the literature. It is an excellent resource for both researchers and graduate students.


Buildings and Classical Groups

Buildings and Classical Groups

Author: Paul B. Garrett

Publisher: CRC Press

Published: 1997-04-01

Total Pages: 396

ISBN-13: 9780412063312

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Buildings are highly structured, geometric objects, primarily used in the finer study of the groups that act upon them. In Buildings and Classical Groups, the author develops the basic theory of buildings and BN-pairs, with a focus on the results needed to apply it to the representation theory of p-adic groups. In particular, he addresses spherical and affine buildings, and the "spherical building at infinity" attached to an affine building. He also covers in detail many otherwise apocryphal results. Classical matrix groups play a prominent role in this study, not only as vehicles to illustrate general results but as primary objects of interest. The author introduces and completely develops terminology and results relevant to classical groups. He also emphasizes the importance of the reflection, or Coxeter groups and develops from scratch everything about reflection groups needed for this study of buildings. In addressing the more elementary spherical constructions, the background pertaining to classical groups includes basic results about quadratic forms, alternating forms, and hermitian forms on vector spaces, plus a description of parabolic subgroups as stabilizers of flags of subspaces. The text then moves on to a detailed study of the subtler, less commonly treated affine case, where the background concerns p-adic numbers, more general discrete valuation rings, and lattices in vector spaces over ultrametric fields. Buildings and Classical Groups provides essential background material for specialists in several fields, particularly mathematicians interested in automorphic forms, representation theory, p-adic groups, number theory, algebraic groups, and Lie theory. No other available source provides such a complete and detailed treatment.


Book Synopsis Buildings and Classical Groups by : Paul B. Garrett

Download or read book Buildings and Classical Groups written by Paul B. Garrett and published by CRC Press. This book was released on 1997-04-01 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Buildings are highly structured, geometric objects, primarily used in the finer study of the groups that act upon them. In Buildings and Classical Groups, the author develops the basic theory of buildings and BN-pairs, with a focus on the results needed to apply it to the representation theory of p-adic groups. In particular, he addresses spherical and affine buildings, and the "spherical building at infinity" attached to an affine building. He also covers in detail many otherwise apocryphal results. Classical matrix groups play a prominent role in this study, not only as vehicles to illustrate general results but as primary objects of interest. The author introduces and completely develops terminology and results relevant to classical groups. He also emphasizes the importance of the reflection, or Coxeter groups and develops from scratch everything about reflection groups needed for this study of buildings. In addressing the more elementary spherical constructions, the background pertaining to classical groups includes basic results about quadratic forms, alternating forms, and hermitian forms on vector spaces, plus a description of parabolic subgroups as stabilizers of flags of subspaces. The text then moves on to a detailed study of the subtler, less commonly treated affine case, where the background concerns p-adic numbers, more general discrete valuation rings, and lattices in vector spaces over ultrametric fields. Buildings and Classical Groups provides essential background material for specialists in several fields, particularly mathematicians interested in automorphic forms, representation theory, p-adic groups, number theory, algebraic groups, and Lie theory. No other available source provides such a complete and detailed treatment.