Petr Pudlák

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bio	website	petr.pudlak.name
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19 Answers

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12	Lambda Calculus simplification
11	Free variables of (λx.xy)x and bound variables of λxy.x
6	Clear, intuitive derivation of the fixed-point combinator (Y combinator)?
6	Distinct variables for different clauses
6	Human computing power: Can humans decide the halting problem on Turing Machines?

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927 Reputation

+30	Human computing power: Can humans decide the halting problem on Turing Machines?
+18	Show that it is undecidable if two Turing Machines accept the same language
+30	Is there an always-halting, limited model of computation accepting $R$ but not $RE$?
+5	Is there a binary tree structure with fast access to recently accessed elements and worst $O \left( \log n \right )$ complexity?

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1 Question

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6	Is there a binary tree structure with fast access to recently accessed elements and worst $O \left( \log n \right )$ complexity?

38 Tags

40 logic × 7	9 turing-machines × 2
38 lambda-calculus × 6	9 halting-problem × 2
18 computability × 5	6 algorithms × 3
12 programming-languages × 3	6 fixed-point
10 functional-programming × 3	6 human-computing

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