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Results tagged with reference-request
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user 106151
This tag is used if a reference is needed in a paper or textbook on a specific result.
3
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Size of the kernel (minimal ideal) of a finite semigroup
Let $A$ be an irreducible nonnegative $N\times N$ integer matrix with constant row sum $D$. Let $A_1, \dots, A_D$ be nonnegative integer matrices, each with constant row sum $1$, such that $\sum_k A_k …
- 695
1
vote
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Effect on finite transformation semigroup under a particular modification of the generators
The following question arises in connection with problems in automata theory related to the road problem. Let $f_1, f_2: [N] \to [N]$ be maps such that the transformation semigroup $S = \langle f_1, f …
- 695