human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "complexity hierarchies beyond elementary"
  Abstract: We introduce a hierarchy of fast-growing complexity classes and show its suitability for completeness statements of many nonelementary problems. This hierarchy allows the classification of many decision problems with a nonelementary complexity, which occur naturally in areas such as logic, combinatorics, formal languages, and verification, with complexities ranging from simple towers of exponentials to Ackermannian and beyond.

Connected through hyperedge HE-1 (induced by source paper "the ideal approach to computing closed subsets in well quasi orderings"):
  with members:
    - "mixed powerdomains for probability and nondeterminism"
    - "well behaved transition systems"
    - "demystifying reachability in vector addition systems"
    - "finite automata for the sub and superword closure of cfls descriptional and computational complexity"
    - "the power of priority channel systems"
    - "complexity bounds for ordinal based termination"
    - "computing downward closures for stacked counter automata"
    - "the power of well structured systems"

Connected through hyperedge HE-2 (induced by source paper "when symmetries are not enough a hierarchy of hard constraint satisfaction problems"):
  with members:
    - "topology is relevant in the infinite domain dichotomy conjecture for constraint satisfaction problems"
    - "a universal algebraic proof of the complexity dichotomy for monotone monadic snp"
    - "a dichotomy theorem for nonuniform csps"
    - "constraint satisfaction problems for reducts of homogeneous graphs"
    - "the algebraic dichotomy conjecture for infinite domain constraint satisfaction problems"
    - "a complexity dichotomy for poset constraint satisfaction"
    - "schaefer s theorem for graphs"

Connected through hyperedge HE-3 (induced by source paper "reachability is tower complete"):
  with members:
    - "reachability in vector addition systems is primitive recursive in fixed dimension"
    - "the reachability problem for petri nets is not elementary"
    - "reachability in two dimensional unary vector addition systems with states is nl complete"
    - "reachability in two dimensional vector addition systems with states is pspace complete"
    - "complexity bounds for ordinal based termination"
    - "the general vector addition system reachability problem by presburger inductive invariants"

Connected through hyperedge HE-4 (induced by source paper "deciding fast termination for probabilistic vass with nondeterminism"):
  with members:
    - "reachability in vector addition systems is primitive recursive in fixed dimension"
    - "the reachability problem for petri nets is not elementary"
    - "efficient algorithms for asymptotic bounds on termination time in vass"
    - "perfect half space games"
    - "automated recurrence analysis for almost linear expected runtime bounds"
    - "bounded expectations resource analysis for probabilistic programs"
    - "non polynomial worst case analysis of recursive programs"
    - "proving differential privacy via probabilistic couplings"

Connected through hyperedge HE-5 (induced by source paper "reachability in vector addition systems is primitive recursive in fixed dimension"):
  with members:
    - "the reachability problem for petri nets is not elementary"
    - "vass reachability in three steps"
    - "unboundedness problems for languages of vector addition systems"
    - "on the upward downward closures of petri nets"
    - "the complexity of downward closure comparisons"
    - "reachability in two dimensional unary vector addition systems with states is nl complete"
    - "demystifying reachability in vector addition systems"
    - "reachability in two dimensional vector addition systems with states is pspace complete"

Connected through hyperedge HE-6 (induced by source paper "model checking the interval way"):
  with members:
    - "complexity of timeline based planning over dense temporal domains exploring the middle ground"
    - "interval vs point temporal logic model checking an expressiveness comparison"
    - "model checking for fragments of halpern and shoham s interval temporal logic based on track representatives"
    - "on the complexity of model checking for syntactically maximal fragments of the interval temporal logic hs with regular expressions"
    - "checking interval properties of computations"
    - "complexity of itl model checking some well behaved fragments of the interval logic hs"
    - "interval based synthesis"
    - "an optimal decision procedure for mpnl over the integers"

Connected through hyperedge HE-7 (induced by source paper "on functions weakly computable by pushdown petri nets and related systems"):
  with members:
    - "reachability in vector addition systems is primitive recursive in fixed dimension"
    - "the reachability problem for petri nets is not elementary"
    - "reasoning about data repetitions with counter systems"
    - "on boundedness problems for pushdown vector addition systems"
    - "on the coverability problem for pushdown vector addition systems in one dimension"
    - "the power of priority channel systems"
    - "the reachability problem for vector addition systems with a stack is not elementary"
    - "approximating petri net reachability along context free traces"

Connected through hyperedge HE-8 (induced by source paper "bisimulation equivalence of first order grammars is ackermann complete"):
  with members:
    - "equivalence of pushdown automata via first order grammars"
    - "branching bisimilarity checking for prs"
    - "bisimulation equivalence of first order grammars"
    - "complexity bounds for ordinal based termination"
    - "bpa bisimilarity is exptime hard"
    - "beyond language equivalence on visibly pushdown automata"
    - "the bisimulation problem for equational graphs of finite out degree"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.CC(Computational Complexity)