'Log space' diaporamas de présentation

Jeff Edmonds York University

4111 Computability. Complexity Classes. Computable Halting Acceptable, Witness, Enumerable Computable Ackermann's Time Double Exponential Time E: Exponential Time Exp Time PSpace PH: Poly-Time Hierarchy NP & Co-NP. Poly-Time NC: Poly-log depth Circuits NC2 NL: Non- Det Log Space

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Undirected ST-Connectivity In Log Space

Undirected ST-Connectivity In Log Space. Omer Reingold Slides by Sharon Bruckner. Today. Some history What are we adding to the mix? Connectivity in expanders Making expanders: powering it up and cutting it down Putting it together in Log-Space In conclusion. What is ST-Connectivity?.

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Space Complexity

Space Complexity. Def: Let M be a deterministic Turing Machine that halts on all inputs. Space Complexity of M is the function f:N ?N, where f(n) is the maximum number of tape cells that M scans on any input of length n. Def: Let f :N ?N be a function.

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Space Complexity

Space Complexity. Def: Let M be a deterministic Turing Machine that halts on all inputs. Space Complexity of M is the function f:N ?N, where f(n) is the maximum number of tape cells that M scans on any input of length n. Def: Let f :N ?N be a function.

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Undirected ST-Connectivity in Log-Space

Undirected ST-Connectivity in Log-Space. By Omer Reingold (Weizmann Institute) Year 2004 Presented by Maor Mishkin. s. t. ST-Connectivity Problem. Given an Undirected Graph and given two Vertices in the Graph, s and t ,

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Crash recovery

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Non-Deterministic Space is Closed Under Complementation

Non-Deterministic Space is Closed Under Complementation. Neil Immerman Richard Szelepcsenyi Presented By: Subhajit Dasgupta. Background. 1960: Myhill first defined the Linear Bounded Automata (LBA) Chomskey defined the formal languages:

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Term weighting and vector representation of text

Term weighting and vector representation of text. Lecture 3. Last lecture. Tokenization Token, type, term distinctions Case normalization Stemming and lemmatization Stopwords 30 most common words account for 30% of the tokens in written text . Last lecture: empirical laws.

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Computability and Complexity

Computability and Complexity. 20-1. Class NL. Computability and Complexity Andrei Bulatov. Computability and Complexity. 20-2. Reducing Problems.

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pass4sureOfficial

http://www.pass4sureOfficial.com. 920-127. Nortel. VoIP Succession BCM 3.0. Visit: http://www.pass4sureofficial.com/exams.asp?examcode=920-127. Pass4sureofficial.com is a reputable IT certification examination guide, study guides and.

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