Hostname: page-component-cd9895bd7-dk4vv Total loading time: 0 Render date: 2024-12-23T14:35:36.758Z Has data issue: false hasContentIssue false

Relations between modular invariants of a vector and a covector in dimension two

Published online by Cambridge University Press:  28 October 2020

Yin Chen*
Affiliation:
School of Mathematics and Statistics, Northeast Normal University, Changchun130024, China and Department of Mathematics and Statistics, Queen’s University, Kingston, K7L 3N6, Canada

Abstract

We exhibit a set of generating relations for the modular invariant ring of a vector and a covector for the two-dimensional general linear group over a finite field.

Type
Article
Copyright
© Canadian Mathematical Society 2020

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bonnafé, C. and Kemper, G., Some complete intersection symplectic quotients in positive characteristic: invariants of a vector and a covector . J. Algebra 335(2011), 96112. https://doi:10.1016/j.jalgebra.2011.03.007 CrossRefGoogle Scholar
Campbell, H. E. A., Hughes, I., and Pollack, R. D., Rings of invariants and $p$ -Sylow subgroups. Canad. Math. Bull. 34(1991), no. 1, 4247. https://doi.org/10.4153/CMB-1991-007-0 Google Scholar
Chen, Y., On modular invariants of a vector and a covector . Manuscr. Math. 144(2014), nos. 3–4, 341348. https://doi.org/10.1007/s00229-013-0648-4 CrossRefGoogle Scholar
Chen, Y. and Wehlau, D. L., Modular invariants of a vector and a covector: a proof of a conjecture of Bonnafé and Kemper . J. Algebra 472(2017), 195213. https://doi.org/10.1016/j.jalgebra.2016.09.029 CrossRefGoogle Scholar
Derksen, H. and Kemper, G., Computational invariant theory . 2nd enlarged ed., Encyclopaedia of Mathematical Sciences, 130, Invariant Theory and Algebraic Transformation Groups, VIII, Springer, Heidelberg, 2015. https://doi.org/10.1007/978-3-662-48422-7 Google Scholar