Gregor Kemper

2024

Global positioning: The uniqueness question and a new solution method

Boutin, M. & Kemper, G., Sep 2024, In: Advances in Applied Mathematics. 160, 102741.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

2023

Can a ground-based vehicle hear the shape of a room?

Boutin, M. & Kemper, G., Jul 2023, In: Studies in Applied Mathematics. 151, 1, p. 352-368 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

2022

Computing quotients by connected solvable groups

Kemper, G., 1 Mar 2022, In: Journal of Symbolic Computation. 109, p. 426-440 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Separating invariants over finite fields

Kemper, G., Lopatin, A. & Reimers, F., Apr 2022, In: Journal of Pure and Applied Algebra. 226, 4, 106904.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

2020

A drone can hear the shape of a room

Boutin, M. & Kemper, G., 2020, In: SIAM Journal on Applied Algebra and Geometry. 4, 1, p. 123-140 18 p.

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Valuative dimension and monomial orders

Kemper, G. & Yengui, I., 1 Sep 2020, In: Journal of Algebra. 557, p. 278-288 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

2018

Equivalence of deterministic top-down tree-To-string transducers is decidable

Seidl, H., Maneth, S. & Kemper, G., Aug 2018, In: Journal of the ACM. 65, 4, 21.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Scopus citations

Toward a theory of monomial preorders

Kemper, G., Trung, N. V. & Van Anh, N. T., 2018, In: Mathematics of Computation. 87, 313, p. 2513-2537 25 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

2016

Using extended Derksen ideals in computational invariant theory

Kemper, G., 1 Jan 2016, In: Journal of Symbolic Computation. 72, p. 161-181 21 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

2014

Krull dimension and monomial orders

Kemper, G. & Viet Trung, N., 1 Feb 2014, In: Journal of Algebra. 399, p. 782-800 19 p.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Scopus citations

2012

Algorithmic Invariant Theory of Nonreductive Groups

Kamke, T. & Kemper, G., Apr 2012, In: Qualitative Theory of Dynamical Systems. 11, 1, p. 79-110 32 p.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

2011

Some complete intersection symplectic quotients in positive characteristic: Invariants of a vector and a covector

Bonnafé, C. & Kemper, G., 1 Jun 2011, In: Journal of Algebra. 335, 1, p. 96-112 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Scopus citations

2009

Separating invariants

Kemper, G., Sep 2009, In: Journal of Symbolic Computation. 44, 9, p. 1212-1222 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

30 Scopus citations

2008

Computing invariants of algebraic groups in arbitrary characteristic

Derksen, H. & Kemper, G., 20 Mar 2008, In: Advances in Mathematics. 217, 5, p. 2089-2129 41 p.

Research output: Contribution to journal › Article › peer-review

Open Access

31 Scopus citations

Polarization of separating invariants

Draisma, J., Kemper, G. & Wehlau, D., Jun 2008, In: Canadian Journal of Mathematics. 60, 3, p. 556-571 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

35 Scopus citations

2007

Homomorphisms, localizations and a new algorithm to construct invariant rings of finite groups

Fleischmann, P., Kemper, G. & Woodcock, C., 15 Mar 2007, In: Journal of Algebra. 309, 2, p. 497-517 21 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

The computation of invariant fields and a constructive version of a theorem by rosenlicht

Kemper, G., Dec 2007, In: Transformation Groups. 12, 4, p. 657-670 14 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Which point configurations are determined by the distribution of their pairwise distances?

Boutin, M. & Kemper, G., Feb 2007, In: International Journal of Computational Geometry and Applications. 17, 1, p. 31-43 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

15 Scopus citations

2005

Depth and cohomological connectivity in modular invariant theory

Fleischmann, P., Kemper, G. & Shank, R. J., Sep 2005, In: Transactions of the American Mathematical Society. 357, 9, p. 3605-3621 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

Global degree bounds and the transfer principle for invariants

Bryant, R. M. & Kemper, G., 1 Feb 2005, In: Journal of Algebra. 284, 1, p. 80-90 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

On reconstructing configurations of points in ℙ² from a joint distribution of invariants

Boutin, M. & Kemper, G., Apr 2005, In: Applicable Algebra in Engineering, Communications and Computing. 15, 6, p. 361-391 31 p.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

2004

On reconstructing n-point configurations from the distribution of distances or areas

Boutin, M. & Kemper, G., May 2004, In: Advances in Applied Mathematics. 32, 4, p. 709-735 27 p.

Research output: Contribution to journal › Article › peer-review

Open Access

71 Scopus citations

On the depth of cohomology modules

Fleischmann, P., Kemper, G. & Shank, R. J., Jun 2004, In: Quarterly Journal of Mathematics. 55, 2, p. 167-184 18 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

2003

Computing invariants of reductive groups in positive characteristic

Kemper, G., Jun 2003, In: Transformation Groups. 8, 2, p. 159-176 18 p.

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

On the branch locus of quotients by finite groups and the depth of the algebra of invariants

Gordeev, N. & Kemper, G., 1 Oct 2003, In: Journal of Algebra. 268, 1, p. 22-38 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus citations

2002

Loci in quotients by finite groups, pointwise stabilizers and the Buchsbaum property

Kemper, G., 2002, In: Journal fur die Reine und Angewandte Mathematik. 547, p. 69-96 28 p.

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

The calculation of radical ideals in positive characteristic

Kemper, G., 1 Sep 2002, In: Journal of Symbolic Computation. 34, 3, p. 229-238 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

16 Scopus citations

2001

A database of invariant rings

Kemper, G., Kording, E., Malle, G., Heinrich, B., Vogel, D. & Wiese, G., 2001, In: Experimental Mathematics. 10, 4, p. 537-542 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus citations

Generic polynomials are descent-generic

Kemper, G., May 2001, In: Manuscripta Mathematica. 105, 1, p. 139-141 3 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Matrix generators for the Ree groups ²G₂(q)

Kemper, G., Lübeck, F. & Magaard, K., 2001, In: Communications in Algebra. 29, 1, p. 407-413 7 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Symmetric powers of modular representations for groups with a sylow subgroup of prime order

Hughes, I. & Kemper, G., 15 Jul 2001, In: Journal of Algebra. 241, 2, p. 759-788 30 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

The depth of invariant rings and cohomology

Kemper, G., 15 Nov 2001, In: Journal of Algebra. 245, 2, p. 463-531 69 p.

Research output: Contribution to journal › Article › peer-review

Open Access

15 Scopus citations

2000

A characterization of linearly reductive groups by their invariants

Kemper, G., 2000, In: Transformation Groups. 5, 1, p. 85-92 8 p.

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Depth of modular invariant rings

Campbell, H. E. A., Kemper, G., Hughes, I. P., Shank, R. J. & Wehlau, D. L., 2000, In: Transformation Groups. 5, 1, p. 21-34 14 p.

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Generic Polynomials with Few Parameters

Kemper, G. & Mattig, E., Dec 2000, In: Journal of Symbolic Computation. 30, 6, p. 843-857 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Scopus citations

Symmetric powers of modular representations, Hilbert series and degree bounds

Hughes, I. & Kemper, G., 2000, In: Communications in Algebra. 28, 4, p. 2059-2088 30 p.

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

1999

An algorithm to calculate optimal homogeneous systems of parameters

Kemper, G., 1999, In: Journal of Symbolic Computation. 27, 2, p. 171-184 14 p., jsco.1998.0247.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

Invariant fields of finite irreducible reflection groups

Kemper, G. & Malle, G., Dec 1999, In: Mathematische Annalen. 315, 4, p. 569-586 18 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

On the Cohen-Macaulay property of modular invariant rings

Kemper, G., 1 May 1999, In: Journal of Algebra. 215, 1, p. 330-351 22 p.

Research output: Contribution to journal › Article › peer-review

Open Access

31 Scopus citations

1998

Lower degree bounds for modular invariants and a question of I. Hughes

Kemper, G., 1998, In: Transformation Groups. 3, 2, p. 135-144 10 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

1996

A constructive approach to Noether's problem

Kemper, G., Jul 1996, In: Manuscripta Mathematica. 90, 1, p. 343-363 21 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Calculating invariant rings of finite groups over arbitrary fields

Kemper, G., Mar 1996, In: Journal of Symbolic Computation. 21, 3, p. 351-366 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

57 Scopus citations

Gregor Kemper

Research output

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