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Results tagged with decidability
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user 9550
8
votes
1
answer
329
views
Algorithmic decidability of equality in the ring of periods
Suppose two elements of the ring of periods are given by their systems of polynomial inequalities with rational coefficients. Is there a known algorithm deciding their equality? Is it known if their e …
- 6,819
25
votes
1
answer
772
views
Decidability of equality of elementary expressions
In the following definition the term expression is to be understood as a finite tree built from formal symbols without any predefined meaning assigned to them.
Define the set $\mathcal{E}$ of elemen …
- 6,819