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http://reh.math.uni-duesseldorf.de/~kammeyer/

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GND: 1186398531

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Funding (3)

Profinite perspectives on L2-cohomology

2020-01-01 to present | Grant
German Research Foundation (Bonn, DE)
URL: https://app.dimensions.ai/details/grant/grant.9404193
GRANT_NUMBER: 441848266
Source: Self-asserted source
Holger Kammeyer via DimensionsWizard

GRK 2240:  Algebro-geometric methods in algebra, arithmetic and topology

2018-01-01 to present | Grant
Deutsche Forschungsgemeinschaft (Bonn, DE)
URL: https://app.dimensions.ai/details/grant/grant.7517707
GRANT_NUMBER: 284078965
Source: Self-asserted source
Holger Kammeyer via DimensionsWizard

Analytic L2-invariants of non-positively curved spaces

2017-01-01 to present | Grant
German Research Foundation (Bonn, DE)
URL: https://app.dimensions.ai/details/grant/grant.6794602
GRANT_NUMBER: 338540207
Source: Self-asserted source
Holger Kammeyer via DimensionsWizard

Works (24)

On the Euler characteristic of $S$-arithmetic groups

2024 | Preprint
DOI: 10.48550/ARXIV.2405.05050
Contributors: Holger Kammeyer; Giada Serafini
Source: Self-asserted source
Holger Kammeyer

Profiniteness of higher rank volume

2024 | Preprint
DOI: 10.48550/ARXIV.2412.13056
Contributors: Holger Kammeyer; Steffen Kionke; Ralf Köhl
Source: Self-asserted source
Holger Kammeyer

Gassmann triples with special cycle types and applications

Proceedings of the Edinburgh Mathematical Society
2024-10-10 | Journal article
DOI: 10.1017/s0013091524000579
Part of ISSN: 1464-3839
Contributors: Holger Kammeyer; Steffen Kionke
Source: Self-asserted source
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Bounded cohomology is not a profinite invariant

Canadian Mathematical Bulletin
2024-06 | Journal article
DOI: 10.4153/S0008439523000826
Contributors: Daniel Echtler; Holger Kammeyer
Source: check_circle
Crossref

Galois cohomology and profinitely solitary Chevalley groups

Mathematische Annalen
2024-02-25 | Journal article
DOI: 10.1007/s00208-024-02808-w
Part of ISSN: 1432-1807
Contributors: Holger Kammeyer; Ryan Spitler
Source: Self-asserted source
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On absolutely profinitely solitary lattices in higher rank Lie groups

Proceedings of the American Mathematical Society
2023-01 | Journal article
DOI: 10.1090/proc/16253
Part of ISSN: 0002-9939
Contributors: Holger Kammeyer
Source: Self-asserted source
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Introduction to Algebraic Topology

Compact Textbooks in Mathematics
2022 | Book
DOI: 10.1007/978-3-030-98313-0
Part of ISSN: 2296-4568
Contributors: Holger Kammeyer
Source: Self-asserted source
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ℓ2-Betti Numbers

Bounded Cohomology and Simplicial Volume
2022-11 | Other
DOI: 10.1017/9781009183284.008
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search

On the profinite rigidity of lattices in higher rank Lie groups

Mathematical Proceedings of the Cambridge Philosophical Society
2022-08 | Journal article
DOI: 10.1017/s0305004122000305
Part of ISSN: 0305-0041
Contributors: HOLGER KAMMEYER; STEFFEN KIONKE
Source: Self-asserted source
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Profinite commensurability of $S$-arithmetic groups

Acta Arithmetica
2021 | Journal article
DOI: 10.4064/aa200401-23-7
Part of ISSN: 0065-1036
Contributors: Holger Kammeyer
Source: Self-asserted source
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Adelic superrigidity and profinitely solitary lattices

Pacific Journal of Mathematics
2021-09 | Journal article
DOI: 10.2140/pjm.2021.313.137
Part of ISSN: 1945-5844
Contributors: Holger Kammeyer; Steffen Kionke
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search

Products of free groups in Lie groups

Journal of Algebra
2021-08 | Journal article
DOI: 10.1016/j.jalgebra.2021.03.023
Contributors: Caterina Campagnolo; Holger Kammeyer
Source: check_circle
Crossref

From Betti numbers to ℓ²-Betti numbers

2020 | Book
DOI: 10.14760/SNAP-2020-001-EN
DNB: 1208732404
URN: urn:nbn:de:101:1-2020042112523848309385
Contributors: Holger Kammeyer; Roman Sauer
Source: Self-asserted source
Holger Kammeyer via Deutsche Nationalbibliothek (DNB)

Profinite invariants of arithmetic groups

Forum of Mathematics, Sigma
2020 | Journal article
DOI: 10.1017/fms.2020.43
Contributors: Holger Kammeyer; Steffen Kionke; Jean Raimbault; Roman Sauer
Source: check_circle
Crossref

$S$-arithmetic spinor groups with the same finite quotients and distinct $\ell^2$-cohomology

Groups, Geometry, and Dynamics
2020-10 | Journal article
DOI: 10.4171/ggd/566
Part of ISSN: 1661-7207
Contributors: Holger Kammeyer; Roman Sauer
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search

Introduction to ℓ²-invariants

Lecture Notes in Mathematics
2019 | Book
DOI: 10.1007/978-3-030-28297-4
Part of ISSN: 0075-8434
Contributors: Holger Kammeyer
Source: Self-asserted source
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Approximating Novikov–Shubin numbers of virtually cyclic coverings

Groups, Geometry, and Dynamics
2017 | Journal article
DOI: 10.4171/ggd/427
Part of ISSN: 1661-7207
Contributors: Holger Kammeyer
Source: Self-asserted source
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The shrinkage type of knots

Bulletin of the London Mathematical Society
2017-02 | Journal article
DOI: 10.1112/blms.12031
Part of ISSN: 0024-6093
Contributors: Holger Kammeyer
Source: Self-asserted source
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The Farrell–Jones conjecture for arbitrary lattices in virtually connected Lie groups

Geometry & Topology
2016-07-04 | Journal article
DOI: 10.2140/gt.2016.20.1275
Part of ISSN: 1364-0380
Contributors: Holger Kammeyer; Wolfgang Lück; Henrik Rüping
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search

An explicit rational structure for real semisimple Lie algebras

Journal of Lie Theory
2014 | Journal article
Source: Self-asserted source
Holger Kammeyer

L2–invariants of nonuniform lattices in semisimple Lie groups

Algebraic & Geometric Topology
2014-08 | Journal article
DOI: 10.2140/agt.2014.14.2475
Part of ISSN: 1472-2739
Contributors: Holger Kammeyer
Source: Self-asserted source
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The Heston-Hull-White Model Part III: Design and Implementation

Wilmott
2012-05 | Journal article
DOI: 10.1002/wilm.10111
Part of ISSN: 1540-6962
Contributors: Holger Kammeyer; Joerg Kienitz
Source: Self-asserted source
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The Heston-Hull-White Model Part II: Numerics and Examples

Wilmott
2012-03 | Journal article
DOI: 10.1002/wilm.10091
Part of ISSN: 1540-6962
Contributors: Holger Kammeyer; Joerg Kienitz
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search

The Heston-Hull-White Model Part I: Finance and Analytics

Wilmott
2012-01 | Journal article
DOI: 10.1002/wilm.10074
Part of ISSN: 1540-6962
Contributors: Holger Kammeyer; Joerg Kienitz
Source: Self-asserted source
Holger Kammeyer via Crossref Metadata Search
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