A friend asked me this question, and I wasn't sure how to go about it. Any help would be appreciated!: Prove that there is a language in P that is not...
... connection. ... The number of configurations of a 2DFA seems to be about the square of its input length. Therefore the time hierarchy theorem helps. ... ...
~~ ~~~ all my relations, the following two emails -- on the Lissajous Sinewave Functions which describe the helicoidal topology of creation -- were posted by...
Respected All, I have problem to solve this problem... Let L be the language of even strings. The twist of this language TWIST (L) is formed by exchanging...
Does the word even string mean "even-length string"? If so, then according to your definition of TWIST, the TWIST of an even string is just another even...
Dear all: I have a (historical) question about reduction and coNP. I know the defference between Karp's and Cook's reduction is the different results for the...
Well, by using a Turing reduction (Cook) instead of a many-one reduction (Karp), we haven't really learned anything more about the differences between P and NP...
~~ ~~~ ditto Doppel! truly, we know of no searcher before, to uncover and publish for all to see ... the simple details of the CREATION of matter!! the ancient...
Hi all. I've taken a pretty long hiatus from the group, but I hope to be back on a semi-regular basis again as I'll be heading back to school again in...
Hi Mike, Glad to see you back! In the text below: ... do you mean something along the following lines: You have a function convert that given integers n and b...
Hi, I would like to understand why is the recognition problem for chordal graphs in co-SL (complement of symmetric logspace). In [1] , the author argues that...
Hi Piotr! For your example, I'd have to say no--it is not representative of what I was poorly explaining. ... One place I used this technique was in a class...
Hi Nimish. I realize you wrote this way back in July. But while I'm reading up on the subject a bit, I was wondering (if you still watch this group), what the...
... chordal ... chordal ... ST ... of ... vertices s ... reduction. ... (2) ... Hello, hope the following helps. Consider the given characterization of chordal...
qfish status report code shaking progress is good the exe is down to 86k and the space usage on many samples is way down, as is the time usage code is way way...
Hi Mike A i have a good satisfier program greedy two clause generation performs well posted model to an "unsatisfiable" 2006 benchmark posted a crufty version...
Hi Daniel. I'm still not sure what the relevance of you being "notarrested" (I'm not even sure what is meant by that term), but as long as what you post to the...
dear mike 3) is not too big hillberg is a cleaned up version of qfish (125k program for converting conjunctive normal form boolean expressions into series of...
hillberg is partially named after hilbert, congress, and the thing the titanic ran into. am trying unsuccessfully to find a library computer with a working...
... ...which contains zero negations?! This would be a great achievement, Dan! Have you considered read-once or read-k-times programs (formulae), they also...
hi klaus aside from reading the input cnf file, theres only one serious minus used in the entire program, having to do with unstack the global data structure ...
... Hi Daniel. I double-checked our file settings and according to them you should be able to upload your file. Maybe a bad network connection? It may be...
Hello all, I have a question. Consider a probabilistic algorithm A deciding a language with one-sided error (if it says NO, it's definitely right, but YES...
thank you mike hillberg5.cpp was successfully uploaded today the program is located in the cnfto2cnfs\hillberg\hillberg5.cpp the goal is complete verification...
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