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Recent questions tagged nondeterminism
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Michael Sipser Edition 3 Exercise 3 Question 3 (Page No. 187)
Modify the proof of Theorem $3.16$ to obtain Corollary $3.19$, showing that a language is decidable iff some nondeterministic Turing machine decides it. (You may assume the following theorem about trees. If every node in a ... many children and every branch of the tree has finitely many nodes, the tree itself has finitely many nodes.)
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Oct 13, 2019
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Theory of Computation
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Lakshman Patel RJIT
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michaelsipser
theoryofcomputation
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turingmachine
descriptive
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2
Ullman 2nd edition Theorem 2.22 (Section 2.5)
Here why they are saying we must convert DFA transition into NFA transition?
asked
Mar 3, 2019
in
Theory of Computation
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Bhaskar Singh
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257
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theoryofcomputation
finiteautomata
nondeterminism
nfadfa
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1
answer
3
Self Doubt  Confusion on language represented by DFA and NFA
If a DFA "D" have symbol {0,1,2} and NFA "N" have symbol {0,1} but both are representing strings ending with 01 and whole string only contain {0,1} then can we say L(N) = L(D) i.e language represented by DFA is equal to language represented by NFA?
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Feb 20, 2019
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Theory of Computation
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Bhaskar Singh
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257
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80
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theoryofcomputation
finiteautomata
nfadfa
nondeterminism
0
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0
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4
Construct DFA for given Language
For the language which ends with 01 or 11 or 10 or 11 for $\sum$={0,1}* .Is dfa possible for this language?
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Oct 16, 2018
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Theory of Computation
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sripo
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minimalstateautomata
theoryofcomputation
finiteautomata
nondeterminism
+1
vote
1
answer
5
Language accepted by given NFA
Language accepted by following NFA and number of states in DFA accepting that Language are: $\{a^nn=2k,kϵN\}$ and 2 $\{a^{2n}n=2k,kϵN\}$ and 2 $\{a^nn=2k,kϵ N\}$ and 3 $\{a^{2n}n=2k,kϵ N\}$ and 3
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Mar 2, 2018
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GateAspirant999
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finiteautomata
nondeterminism
theoryofcomputation
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0
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6
MadeEasy Test Series 2018: Theory of Computation  Non Determinism
isn't the ans is 3 i.e p,q,r
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Jan 17, 2018
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Theory of Computation
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Sukhdip Singh
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133
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theoryofcomputation
nondeterminism
madeeasytestseries
madeeasytestseries2018
+1
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0
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7
#pda #tm #deterministic
How can a DTM can simulate a NTM, but a DPDA can not simulate a NPDA. ? Reason? I read the proedure for a DTM to simulate a NTM but can not get why its not so with pda. Any clue ?
asked
Jul 6, 2017
in
Theory of Computation
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Shivansh Gupta
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turingmachine
pushdownautomata
nondeterminism
+15
votes
1
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8
GATE2004IT9
Which one of the following statements is FALSE? There exist contextfree languages such that all the contextfree grammars generating them are ambiguous An unambiguous contextfree grammar always has a unique parse tree for each string of the language generated ... automata always accept the same set of languages A finite set of string from some alphabet is always a regular language
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Nov 2, 2014
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Theory of Computation
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Ishrat Jahan
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gate2004it
theoryofcomputation
easy
nondeterminism
+11
votes
3
answers
9
GATE19941.16
Which of the following conversions is not possible (algorithmically)? Regular grammar to context free grammar Nondeterministic FSA to deterministic FSA Nondeterministic PDA to deterministic PDA Nondeterministic Turing machine to deterministic Turing machine
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Oct 4, 2014
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Theory of Computation
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Kathleen
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gate1994
theoryofcomputation
easy
nondeterminism
+22
votes
4
answers
10
GATE20118
Which of the following pairs have DIFFERENT expressive power? Deterministic finite automata (DFA) and Nondeterministic finite automata (NFA) Deterministic push down automata (DPDA) and Nondeterministic push down automata (NPDA) Deterministic single tape Turing machine and Nondeterministic single tape Turing machine Single tape Turing machine and multitape Turing machine
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Sep 29, 2014
in
Theory of Computation
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jothee
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gate2011
theoryofcomputation
easy
nondeterminism
+14
votes
2
answers
11
GATE19981.11
Regarding the power of recognition of languages, which of the following statements is false? The nondeterministic finitestate automata are equivalent to deterministic finitestate automata. Nondeterministic Pushdown automata are equivalent to ... equivalent to deterministic Turing machines. Multitape Turing machines are available are equivalent to Singletape Turing machines.
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Sep 26, 2014
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Theory of Computation
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Kathleen
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2.1k
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gate1998
theoryofcomputation
easy
nondeterminism
+17
votes
2
answers
12
GATE200554
Let $N_f$ and $N_p$ denote the classes of languages accepted by nondeterministic finite automata and nondeterministic pushdown automata, respectively. Let $D_f$ and $D_p$ denote the classes of languages accepted by deterministic finite automata and deterministic pushdown automata respectively. ... $D_f = N_f \text{ and } D_p = N_p$ $D_f =N_f \text{ and } D_p \subset N_p$
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Sep 22, 2014
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Kathleen
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gate2005
theoryofcomputation
easy
nondeterminism
+31
votes
7
answers
13
GATE200916, ISRO201712
Which one of the following is FALSE? There is a unique minimal DFA for every regular language Every NFA can be converted to an equivalent PDA. Complement of every contextfree language is recursive. Every nondeterministic PDA can be converted to an equivalent deterministic PDA.
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Sep 22, 2014
in
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Kathleen
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gate2009
theoryofcomputation
easy
isro2017
nondeterminism
+20
votes
1
answer
14
GATE199202,xx
Choose the correct alternatives (more than one may be correct) and write the corresponding letters only: In which of the cases stated below is the following statement true? "For every nondeterministic machine $M_{1}$ ... $M_{1}$ and $M_2$, the above statement true.
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Sep 13, 2014
in
Theory of Computation
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Kathleen
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52.2k
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1.2k
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gate1992
theoryofcomputation
easy
nondeterminism
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