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: "infinitary combinatory reduction systems confluence"
  Abstract: We study confluence in the setting of higher-order infinitary rewriting, in particular for infinitary Combinatory Reduction Systems (iCRSs). We prove that fully-extended, orthogonal iCRSs are confluent modulo identification of hypercollapsing subterms. As a corollary, we obtain that fully-extended, orthogonal iCRSs have the normal form property and the unique normal form property (with respect to reduction). We also show that, unlike the case in first-order infinitary rewriting, almost non-collapsing iCRSs are not necessarily confluent.

Connected through hyperedge HE-1 (induced by source paper "a new coinductive confluence proof for infinitary lambda calculus"):
  with members:
    - "coinductive foundations of infinitary rewriting and infinitary equational logic"
    - "strict ideal completions of the lambda calculus"
    - "coinduction an elementary approach"
    - "partial order infinitary term rewriting"
    - "nominal coalgebraic data types with applications to lambda calculus"
    - "on streams that are finitely red"
    - "resumptions weak bisimilarity and big step semantics for while with interactive i o an exercise in mixed induction coinduction"
    - "infinitary combinatory reduction systems normalising reduction strategies"

Connected through hyperedge HE-2 (induced by source paper "clocked lambda calculus"):
  with members:
    - "discriminating lambda terms using clocked boehm trees"
    - "modular construction of fixed point combinators and clocked boehm trees"
    - "neighbourhood structures bisimilarity and basic model theory"

Connected through hyperedge HE-3 (induced by source paper "infinitary combinatory reduction systems normalising reduction strategies"):
  with members:
    - "relational parametricity for computational effects"

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)