Computer Science
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Jozef's user avatar
Jozef's user avatar
Jozef
  • Member for 11 years, 7 months
  • Last seen more than 9 years ago
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All Questions Answers
Score Newest
question
26
Finding the minimum cut of an undirected graph
Sep 2, 2012
question
19
Is the set of Turing machines which stops in at most 50 steps on all inputs, decidable?
Aug 9, 2012
question
15
Is it decidable whether a TM reaches some position on the tape?
Aug 10, 2012
question
14
Closure against right quotient with a fixed language
Apr 28, 2012
question
14
For a Turing Machine $M_1$, how is the set of machines $M_2$ which are "shorter" than $M_1$ and which accept the same language decidable?
Aug 8, 2012
question
8
How to show that the set of machines which accept languages in $\mathrm{NP}\smallsetminus\mathrm P$, is decidable only if $\mathrm P=\mathrm{NP}$?
Aug 9, 2012
question
7
Why does $A(L)= \{ w_1w_2: |w_1|=|w_2|$ and $w_1, w_2^R \in L \}$ generate a context free language for regular $L$?
Apr 30, 2012
question
6
Irregularity of $\{a^ib^jc^k \mid \text{if } i=1 \text{ then } j=k \}$
May 1, 2012
question
5
Chomsky normal form and regular languages
Apr 27, 2012
question
5
Closure against the operator $A(L)=\{ww^Rw \mid w \in L \wedge |w| \lt 2007\}$
Apr 27, 2012
Top network posts
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43
Prove: $\int_0^\infty \sin (x^2) \, dx$ converges.
36
Prove: $\binom{n}{k}^{-1}=(n+1)\int_{0}^{1}x^{k}(1-x)^{n-k}dx$ for $0 \leq k \leq n$
30
Prove that $f$ continuous and $\int_a^\infty |f(x)|\;dx$ finite imply $\lim\limits_{ x \to \infty } f(x)=0$
29
An integrable and periodic function $f(x)$ satisfies $\int_{0}^{T}f(x)dx=\int_{a}^{a+T}f(x)dx$.
29
Prove: $\int_0^1 \frac{\ln x }{x-1} d x=\sum_1^\infty \frac{1}{n^2}$

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