# Questions tagged [omega-automata]

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### $\omega$-automata where string is accepted iff a final state is accessible from starting state

I am wondering if $\omega$-automata with the following acceptance condition are valid. An input string is accepted iff one of the final states occurs at least once. This differs from Buchi automata in ...
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### Equivalence of states between two "quasi-deterministic" strongly connected Büchi automata accepting the same $\omega$-language

Hope someone can point me to the right direction to solve this problem. Premise. I call quasi-deterministic Büchi automaton (qDBA) a Büchi automaton $B = \langle S, \Sigma, S_0, \delta, F \rangle$, ...
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### Intersection of two deterministic parity automata

Given two deterministic parity automata $A_1=(Q_1,\Sigma,\delta,q_{01},c_1)$ and $A_2=(Q_2,\Sigma,\delta,q_{02},c_2)$ with the finite set of states $Q_i$, the finite alphabet $\Sigma_i$, the ...
I am dealing with deterministic parity automata and state space reduction (not minimization). If we define $\equiv_L$ to be the equivalence relation that sets two states equal iff starting from those ...
Given a deterministic parity automaton $\mathcal{A}$ with state set $Q$ and a state $q \in Q$, we denote with $\mathcal{A}_q$ the same automaton with initial state $q$. Two states $p$ and $q$ are ...