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< 65-XX | Up | 70-XX >
68-XX Computer science For papers involving machine computations and programs in a specific mathematical area, see Section –04 in that area
68-00   General reference works (handbooks, dictionaries, bibliographies, etc.)
68-01   Instructional exposition (textbooks, tutorial papers, etc.)
68-02   Research exposition (monographs, survey articles)
68-03   Historical (must also be assigned at least one classification number from Section 01)
68-04   Explicit machine computation and programs (not the theory of computation or programming)
68-06   Proceedings, conferences, collections, etc.
68M01   General
68M07   Mathematical problems of computer architecture
68M10   Network design and communication [See also 68R10, 90B18]
68M12   Network protocols
68M14   Distributed systems
68M15   Reliability, testing and fault tolerance [See also 94C12]
68M20   Performance evaluation; queueing; scheduling [See also 60K25, 90Bxx]
68M99   None of the above, but in this section
68N01   General
68N15   Programming languages
68N17   Logic programming
68N18   Functional programming and lambda calculus [See also 03B40]
68N19   Other programming techniques (object-oriented, sequential, concurrent, automatic, etc.)
68N20   Compilers and interpreters
68N25   Operating systems
68N30   Mathematical aspects of software engineering (specification, verification, metrics, requirements, etc.)
68N99   None of the above, but in this section
68P01   General
68P05   Data structures
68P10   Searching and sorting
68P15   Database theory
68P20   Information storage and retrieval
68P25   Data encryption [See also 94A60, 81P68]
68P30   Coding and information theory (compaction, compression, models of communication, encoding schemes, etc.) [See also 94Axx]
68P99   None of the above, but in this section
68Q01   General
68Q05   Models of computation (Turing machines, etc.) [See also 03D10, 81P68]
68Q10   Modes of computation (nondeterministic, parallel, interactive, probabilistic, etc.) [See also 68Q85]
68Q15   Complexity classes (hierarchies, relations among complexity classes, etc.) [See also 03D15, 68Q17, 68Q19]
68Q17   Computational difficulty of problems (lower bounds, completeness, difficulty of approximation, etc.) [See also 68Q15]
68Q19   Descriptive complexity and finite models [See also 03C13]
68Q25   Analysis of algorithms and problem complexity [See also 68W40]
68Q30   Algorithmic information theory (Kolmogorov complexity, etc.)
68Q32   Computational learning theory [See also 68T05]
68Q42   Grammars and rewriting systems
68Q45   Formal languages and automata [See also 03D05, 68Q70, 94A45]
68Q55   Semantics [See also 03B70, 06B35, 18C50]
68Q60   Specification and verification (program logics, model checking, etc.) [See also 03B70]
68Q65   Abstract data types; algebraic specification [See also 18C50]
68Q70   Algebraic theory of languages and automata [See also 18B20, 20M35]
68Q80   Cellular automata [See also 37B15]
68Q85   Models and methods for concurrent and distributed computing (process algebras, bisimulation, transition nets, etc.)
68Q99   None of the above, but in this section
68R01   General
68R05   Combinatorics
68R10   Graph theory [See also 05Cxx, 90B10, 90B35, 90C35]
68R15   Combinatorics on words
68R99   None of the above, but in this section
68T01   General
68T05   Learning and adaptive systems [See also 68Q32, 91E40]
68T10   Pattern recognition, speech recognition {For cluster analysis, see 62H30}
68T15   Theorem proving (deduction, resolution, etc.) [See also 03B35]
68T20   Problem solving (heuristics, search strategies, etc.)
68T27   Logic in artificial intelligence
68T30   Knowledge representation
68T35   Languages and software systems (knowledge-based systems, expert systems, etc.)
68T37   Reasoning under uncertainty
68T40   Robotics [See also 93C85]
68T45   Machine vision and scene understanding
68T50   Natural language processing [See also 03B65]
68T99   None of the above, but in this section
68U01   General
68U05   Computer graphics; computational geometry [See also 65D18]
68U07   Computer-aided design [See also 65D17]
68U10   Image processing
68U15   Text processing; mathematical typography
68U20   Simulation [See also 65Cxx]
68U35   Information systems (hypertext navigation, interfaces, decision support, etc.)
68U99   None of the above, but in this section
68W01   General
68W05   Nonnumerical algorithms
68W10   Parallel algorithms
68W15   Distributed algorithms
68W20   Randomized algorithms
68W25   Approximation algorithms
68W30   Symbolic computation and algebraic computation [See also 11Yxx, 12Y05, 13Pxx, 14Qxx, 16Z05, 17-08, 33F10]
68W35   VLSI algorithms
68W40   Analysis of algorithms [See also 68Q25]
68W99   None of the above, but in this section
< 65-XX | Up | 70-XX >
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