'Costas busch' presentation slideshows

D istributed C omputing G roup

The Consensus Problem Roger Wattenhofer a lot of kudos to Maurice Herlihy and Costas Busch for some of their slides. D istributed C omputing G roup. Sequential Computation. thread. memory. object. object. Concurrent Computation. threads. memory. object. object. Asynchrony.

969 views • 84 slides

Pushdown Automata PDAs

Pushdown Automata PDAs. Pushdown Automaton -- PDA. Input String. Stack. States. Initial Stack Symbol. Stack. Stack. stack head. top. bottom. special symbol. Appears at time 0. The States. Pop symbol. Input symbol. Push symbol. input. stack. top. Replace. input. stack.

813 views • 77 slides

Introduction to Theoretical Computer Science COMP 335 Fall 2004

Introduction to Theoretical Computer Science COMP 335 Fall 2004 Slides by Costas Busch, Rensselaer Polytechnic Institute, Modified by N. Shiri & G. Grahne, Concordia University. This course: A study of abstract models of computers and computation .

761 views • 57 slides

Linear Grammars

Linear Grammars. Grammars with at most one variable at the right side of a production Examples:. A Non-Linear Grammar. Grammar :. Number of in string. Another Linear Grammar. Grammar : . Right-Linear Grammars. All productions have form: Example:. or. string of

1.51k views • 43 slides

Language Recognition (11.4) Longin Jan Latecki Temple University

386 views • 24 slides

Language Recognition (12.4) Longin Jan Latecki Temple University

329 views • 24 slides

Lex

Lex. Lex: a lexical analyzer. A Lex program recognizes strings For each kind of string found the lex program takes an action. Output. Identifier: Var Operand: = Integer: 12 Operand: + Integer: 9 Semicolumn: ; Keyword: if Parenthesis: ( Identifier: test . Input. Var = 12 + 9;

415 views • 15 slides