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Results tagged with matrices
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user 19075
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
-1
votes
Elements of finite order of $\mathrm{PGL}(n,\mathbb{Q})$
See
https://math.temple.edu/~lorenz/papers/sizes/sizes.pdf
Look for
The Minkowski sequence
- 3,738
51
votes
Accepted
Invertible matrices over noncommutative rings
See: R.N. Gupta, Anjana Khurana, Dinesh Khurana, and T.Y. Lam,
Rings over which the transpose of every invertible matrix is invertible; J. Algebra 322 (2009), no. 5, 1627–1636 (MR).
Abstract: We pr …
- 3,738