3

Questions

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3

votes

2

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Are context-free languages with context-free complements necessarily deterministic context-free?

formal-languages automata-theory co.combinatorics lo.logic

feb 22 12 at 21:55 Benjamin Steinberg 10.7k●1●14●49

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Triangulating hypercubes

gn.general-topology co.combinatorics

feb 10 11 at 16:12 Matthew Kahle 4,130●7●28

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What does Rng^{op} look like?

ra.rings-and-algebras ct.category-theory at.algebraic-topology

jul 23 11 at 5:00 Eric Peterson 2,934●1●14●28