Sam Jones

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596 reputation

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bio	website	cs.le.ac.uk/people/sj175
	location	Leicester, United Kingdom
	age	24
visits	member for	1 year, 2 months
	seen	9 hours ago
stats	profile views	39

PhD student at the university of Leicester.

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10 Answers

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7	Is there an undecidable finite language of finite words?
6	Closure of Deterministic context-free languages under prefix
4	Is this a regular grammar?
4	Are there other ways to describe formal languages other than grammars?
3	Which properties of context sensitive languages are decidable?

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596 Reputation

+30	Is the universe problem for one-counter automata with restricted alphabet size undecidable?
+20	Closure of Deterministic context-free languages under prefix
+10	Can a language have $\Sigma^{*}$ as its syntactic monoid?
+10	Are there other ways to describe formal languages other than grammars?

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4 Questions

votes activity newest

6	Is the universe problem for one-counter automata with restricted alphabet size undecidable?
3	Examples of undecidable problems whose intersection is decidable
2	Can a language have $\Sigma^{*}$ as its syntactic monoid?
2	Closure of Deterministic context-free languages under prefix

16 Tags

23 formal-languages × 8	7 regular-languages × 2
12 formal-grammars × 4	6 closure-properties × 2
10 undecidability × 4	3 automata × 2
10 context-free × 3	3 finite-automata
8 computability × 2	3 check-my-proof

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5 Accounts

	Computer Science	596 rep	111
$Mathematics Stack Exchange$	Mathematics	295 rep	16
	Theoretical Computer Science	160 rep	6
	Stack Overflow	101 rep	1
	Motor Vehicle Maintenance & Repair	101 rep	2

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