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                    | Sipser M. — Introduction to the theory of computation | 
                  
                
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                    | Предметный указатель | 
                  
                
                    
                        #SAT      392  
       197  
       170  
       166  
       194  
       167  
       168  
       174  
       172  
       169  
       344  
 , Turing-unrecognizability      210  
 , undecidability      192  
       171  
       168  
       195  
 , undecidability      189  
       188  
       348  
       348  
       191  
  (reverse of w)      14  
  (intersection operation)      4  
  (concatenation operation)      44  
  (union operation)      4 44  
  (empty set)      4  
  (existential quantifier)      310  
  (universal quantifier)      310  
  (element)      3  
  (encoding)      157 259  
  (reverse implication)      18  
  (equality operation)      15  
  (logical equivalence)      18  
  (log space reduction)      324  
  (mapping reduction)      207  
  (polynomial time reduction)      272  
  (Turing reduction)      233  
  (natural numbers)      4 227  
  (real numbers)      157 176  
  (nonnegative real numbers)      249  
  (power set)      53  
  (negation operation)      14  
  (not element)      3  
  (exclusive OR operation)      15  
  (implication operation)      15  
  (implication)      18  
  (alphabet)      53  
  ( )      53  
  (blank)      140  
  (proper subset)      4  
  (subset)      3  
  (Cartesian or cross product)      6  
  (exponentiation)      343  
  (empty string)      13  
  (proper subset)      328  
  (disjunction operation)      14  
  (conjunction operation)      14  
* (star operation)      44  
+ (plus operation)      65  
2DFA      see “Two-headed finite automaton”  
2DIM-DFA      see “Two-dimensional finite automaton”  
2SAT      299  
3COLOR      297  
3SAT      274 359  
Accept state      34 35  
Acceptance problem for CFG      170  
Acceptance problem for DFA      166  
Acceptance problem for LBA      194  
Acceptance problem for NFA      167  
Acceptance problem for TM      174  
Accepting computation history      193  
Accepting configuration      141  
Accepts a language, meaning of      36  
Acyclic graph      376  
Adjacency matrix      259  
Adleman, Leonard M.      415 418  
Agrawal, Manindra      415  
Aho, Alfred V.      415 419  
Akl, Selim G.      415  
Algorithm, complexity analysis      248—253  
Algorithm, decidability and undecidability      165—182  
algorithm, defined      154—156  
Algorithm, describing      156—159  
Algorithm, Euclidean      261  
Algorithm, polynomial time      256—263  
Algorithm, running time      248  
Allen, Robin W.      416  
Alon, Noga      415  
Alphabet, defined      13  
Alternating Turing machine      381  
Alternation      380—386  
Ambiguity      105—106  
Ambiguous, grammar      105 212  
Ambiguous, NFA      184  
Amplification lemma      369  
AND operation      14  
Angluin, Dana      415  
Anti-clique      27  
Approximation algorithm      365—367  
Argument      8  
Arithmetization      394  
Arity      8 225  
Arora, Sanjeev      415  
ASPACE(f(n))      382  
Asymptotic analysis      248  
Asymptotic notation, big-O notation      249—250  
Asymptotic notation, small-o notation      250  
Asymptotic upper bound      249  
ATIME(t(n))      382  
Atomic formula      225  
Automata theory      3 (see also “Context-free language” “Regular  
Average-case analysis      248  
Baase, Sara      415  
Babai, Laszlo      415  
Bach, Eric      415  
Balcazar, Jose Luis      416  
Basis of induction      23  
Beame, Paul W.      416  
Big-O notation      248—250  
binary function      8  
Binary operation      44  
Binary relation      8 9  
Bipartite graph      332  
Blank symbol        140  
Blum, Manuel      416  
Boolean circuit      351—359  
Boolean circuit, depth      400  
Boolean circuit, gate      352  
Boolean circuit, size      400  
Boolean circuit, uniform family      400  
Boolean circuit, wire      352  
Boolean formula      271 310  
Boolean formula, minimal      349  
Boolean formula, quantified      311  
Boolean logic      14—15  
Boolean matrix multiplication      401  
Boolean operation      14 225 271  
Boolean variable      271  
Bound variable      310  
Branching program      376  
Branching program, read-once      377  
Brassard, Gilles      416  
Bratley, Paul      416  
Breadth-first search      256  
Brute-force search      257 260 264 270  
Cantor, Georg      174  
Carmichael number      3 72  
Carmichael, R.D.      416  
Cartesian product      6 46  
CD-ROM      321  
 | Certificate      265  
CFG      see “Context-free grammar”  
CFL      see “Context-free language”  
Chaitin, Gregory J.      236  
Chandra, Ashok      416  
Characteristic sequence      178  
Checkers, game of      320  
Chernoff bound      370  
Chess, game of      320  
Chinese remainder theorem      373  
Chomsky normal form      106—109 130 170 263  
Chomsky, Noam      416  
Church — Turing thesis      155—156 253  
Church, Alonzo      2 155 227  
CIRCUIT-SAT      358  
Circuit-satisfiability problem      358  
CIRCUIT-VALUE      404  
Circular definition      65  
Clause      274  
CLIQUE      27 268  
Closed under      45  
Closure under complementation, context-free languages, non-      128  
Closure under complementation, P      294  
Closure under complementation, regular languages      85  
Closure under concatenation, context-free languages      129  
Closure under concatenation, NP      295  
Closure under concatenation, P      294  
Closure under concatenation, regular languages      47 60  
Closure under intersection, context-free languages, non-      128  
Closure under intersection, regular languages      46  
Closure under star, context-free languages      129  
Closure under star, NP      295  
Closure under star, P      295  
Closure under star, regular languages      62  
Closure under union, context-free languages      129  
Closure under union, NP      295  
Closure under union, P      294  
Closure under union, regular languages      45 59  
CNF-formula      274  
Co-Turing-recognizable language      181  
Cobham, Alan      416  
Coefficient      155  
Coin-flip step      368  
Complement operation      4  
Complexity class, ASPACE(f(n))      382  
Complexity class, ATIME(t(n))      382  
Complexity class, BPP      369  
Complexity class, coNL      326  
Complexity class, coNP      269  
Complexity class, EXPSPACE      340  
Complexity class, EXPTIME      308  
Complexity class, IP      389  
Complexity class, L      321  
Complexity class, NC.      402  
Complexity class, NL      321  
Complexity class, NP      264—270  
Complexity class, NPSPACE      308  
Complexity class, NSPACE(f(n))      304  
Complexity class, NTIME(f(n))      267  
Complexity class, P      256—263 269—270  
Complexity class, PH      386  
Complexity class, PSPACE      308  
Complexity class, RP      375  
Complexity class, SPACE(f(n))      304  
Complexity class, TIME(f(n))      251  
Complexity class, ZPP      412  
Complexity theory      2  
Complexity theory, Church — Turing thesis      155—156 253  
Composite number      265 371  
Compositeness witness      373  
COMPOSITES      265  
Compressible string      239  
Computability theory      2  
Computability theory, decidability and undecidability      165—182  
Computability theory, recursion theorem      217—224  
Computability theory, reducibility      187—211  
Computability theory, Turing machines      137—154  
Computable function      206  
Computation history, context-free languages      197—198  
Computation history, defined      192  
Computation history, linear bounded automata      193—197  
Computation history, Post correspondence problem      199—205  
Computation history, reducibility      192—205  
Computational model      31  
Computer virus      222  
Concatenation of strings      14  
Concatenation operation      44 47 60—61  
Configuration      140 141 322  
Conjunction operation      14  
Conjunctive normal form      274  
coNL      326  
Connected graph      11 157  
CONp      269  
Context-free grammar, ambiguous      105 212  
Context-free grammar, defined      102  
Context-free language, decidability      170—172  
Context-free language, defined      101  
Context-free language, efficient decidability      262—263  
Context-free language, inherently ambiguous      106  
Context-free language, pumping lemma      123—128  
Cook — Levin theorem      271—360  
Cook, Stephen A.      271 359 402 416  
Cormen, Thomas      416  
Corollary      17  
Correspondence      175  
Countable set      175  
Counterexample      18  
Counting problem      392  
Cross product      6  
Cryptography      405—411  
Cut edge      367  
Cut, in a graph      296 367  
CYCLE      11  
d(x) (minimal description)      236  
Davis, Martin      155  
Decidability      170—172 (see also “Undecidability.context-free language”)  
Decidability, of        170  
Decidability, of        166  
Decidability, of        168  
Decidability, of        169  
Decidability, of        171  
Decidability, regular language      166—170  
Decidable language      142  
Decider, deterministic      142  
Decider, nondeterministic      152  
Decision problem      366  
Definition      17  
Degree of a node      10  
DeMorgan’s laws, example of proof      20  
Depth complexity      400  
Derivation      100  
Derivation, leftmost      106  
Derives      102  
Descriptive complexity      236  
Deterministic computation      47  
Deterministic finite automaton, acceptance problem      166  
Deterministic finite automaton, defined      35  
Deterministic finite automaton, emptiness testing      168  
Deterministic finite automaton, minimization      299  
DFA      see “Deterministic finite automaton”  
Diagonalization method      174—181  
Diaz, Josep      416  
Difference hierarchy      300  
Digital signatures      407  
Directed graph      12  
Directed path      12  
Disjunction operation      14  
Distributive law      15  
Domain of a function      7  
Dynamic programming      262  
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