thanks a lot who has given a answer to this question i am a new member to this group ... <hamadsahal@y...> ... i ... After ... the ... variables. ... least ......
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... [snip] Hi patlolareddy, welcome to the group. (note: I wasn't the one who answered question 2.20, but as moderator I try to make an effort to welcome new...
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Hello all. Problem 11.5.3 in Papadimitriou's computational complexity: (a) Show that all entries of the intermediate matrices in Gaussian elimination are...
hi , For a quotient space to be hausdorff, the equivalence classes defined by some relation on the original set X should be closed. That's how it was defined. ...
... From: krishna kishore To: comp-sci-theory@yahoogroups.com Sent: Monday, November 08, 2004 2:59 PM Subject: [comp-sci-theory] A question in topology hi , ...
... From: Michael N. Christoff To: comp-sci-theory@yahoogroups.com Sent: Monday, November 08, 2004 4:26 PM Subject: Re: [comp-sci-theory] A question in...
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First, I wanna say Hi for everyone in this great group and thanks Mike, Kurt, and ptt_hatred for their replies. I have uploaded sipser.doc file which has some...
... that ... can ... (Finally ... the ... I love google!! Google told me how to show that Gaussian elimination over integers can be done in polynomial time. ...
... From: hamadsahal To: comp-sci-theory@yahoogroups.com Sent: Wednesday, November 10, 2004 4:33 AM Subject: [comp-sci-theory] Please help me answering these...
Hi Hamad, ... Okay, I guess I'll weigh in here too. I was curious about the selection of problems to solve...does this mean that you've worked out all of the...
... From: Kurt Van Etten To: comp-sci-theory@yahoogroups.com Sent: Wednesday, November 10, 2004 10:55 AM Subject: [comp-sci-theory] Re: Please help me...
Thanks ptt_hatred, Kurt, and mike for replying. I do not want them to be answered at once, but one by one and you can choose what you can answer. Thanks for...
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Given a TM M, we can construct a two-dimentional finite automaton which can verify whether its input rectangle is an accepting computation history of M (one...
hi, can anyone knows answer to following question? Assume P^(A,i) is the set of languages which can be accepted by a polynomial-time machine with oracle...
Hi, when we look at P^(A,2) we observe if the outcome of the machine depends on the two queries to the oracle being satisfiable, then we can use the the two...
Hi, ... No, this reasoning does not seem sound to me. We are given P^(SAT,2)=P^(SAT,1) as an assumption, not as something we need to prove. The second query...
Hi Hamad, ... Hmmm, the first problem on the list... Since your next choice will undoubtedly be the second problem on the list, or problem 6.1 in Sipser (give...
... For any two-variable boolean function f, given two boolean formulas F1,F2, the problem of deciding f(whether F1 in SAT, whether F2 in SAT) is in P^(SAT,2),...
May I ask problem 10.10? In problem 10.10, we define a k-PDA as a pushdown automaton with k read-only, two-way input heads and a read/write stack. The problem ...
Hi again, ... My answer to this one was not very direct, so let me try again. To show that NP is closed under the star operation, we want to show that for...
... a ... i ... any ... formulas ... queries. ... make ... M ... when ... Hi tony you said that "Let's simulate M. For the first time a query is made, we...
... by ... most ... try ... f, ... Sorry, I think there's a bug in my solution! The 3rd query depends on the 2nd query... Is there some way to fix the bug? ...
Hi, Cant we do it like , say we know that P^(SAT,i) = P^(SAT,1) for all i < k now consider the language L \in P^(SAT,k) It needs k queries to the SAT oracle...