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: "reachability in succinct one counter games"
  Abstract: We consider the reachability problem on transition systems corresponding to succinct one-counter machines, that is, machines where the counter is incremented or decremented by a value given in binary.

Connected through hyperedge HE-1 (induced by source paper "reachability games with relaxed energy constraints"):
  with members:
    - "bounding average energy games"
    - "average energy games"
    - "fixed dimensional energy games are in pseudo polynomial time"
    - "on the complexity of counter reachability games"
    - "reachability in two clock timed automata is pspace complete"
    - "the complexity of multi mean payoff and multi energy games"
    - "strategy synthesis for multi dimensional quantitative objectives"
    - "generalized mean payoff and energy games"

Connected through hyperedge HE-2 (induced by source paper "expspace hardness of behavioural equivalences of succinct one counter nets"):
  with members:
    - "simulation problems over one counter nets"
    - "bpa bisimilarity is exptime hard"
    - "beyond language equivalence on visibly pushdown automata"
    - "model checking probabilistic timed automata with one or two clocks"

Connected through hyperedge HE-3 (induced by source paper "bounding average energy games"):
  with members:
    - "undecidability of two dimensional robot games"
    - "limit your consumption finding bounds in average energy games"
    - "average energy games"
    - "fixed dimensional energy games are in pseudo polynomial time"
    - "reachability in two clock timed automata is pspace complete"
    - "looking at mean payoff and total payoff through windows"
    - "automated synthesis of reliable and efficient systems through game theory a case study"
    - "the complexity of multi mean payoff and multi energy games"

Connected through hyperedge HE-4 (induced by source paper "undecidability of two dimensional robot games"):
  with members:
    - "weighted automata on infinite words in the context of attacker defender games"
    - "on the complexity of counter reachability games"
    - "solving parity games on integer vectors"
    - "the complexity of robot games on the integer line"
    - "reachability games on extended vector addition systems with states"
    - "energy parity games"

Connected through hyperedge HE-5 (induced by source paper "on the complexity of counter reachability games"):
  with members:
    - "the complexity of robot games on the integer line"
    - "reachability games on extended vector addition systems with states"
    - "model checking probabilistic timed automata with one or two clocks"

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.LO(Logic in Computer Science)