Abstract
In the paper, the automorphisms of the semigroup of nonnegative invertible matrices of order two over a partially ordered commutative ring with 2 invertible are described.
| Original language | English |
|---|---|
| Pages (from-to) | 3-11 |
| Number of pages | 9 |
| Journal | Mathematical Notes |
| Volume | 91 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Feb 2012 |
| Externally published | Yes |
Keywords
- associative (commutative) ring with unit
- central homomorphism of semigroups
- idempotent
- nonnegative invertible matrix of order two
- partially ordered commutative ring
- subsemigroup
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