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: "generalized proportional allocation mechanism design for multi rate multicast service on the internet"
  Abstract: In this paper we construct two mechanisms that fully implement social welfare maximising allocation in Nash equilibria for the case of single infinitely divisible good being demanded by a separate groups of agents, whilst being subject to multiple inequality constraints. The nature of the good demanded is such that it can be duplicated locally at no cost. The first mechanism achieves weak budget balance, while the second is an extension of the first, and achieves strong budget balance at equilibrium. One important application of these mechanisms is the multi-rate multicast service on the Internet where a network operator wishes to allocate rates among strategic agents, who are segregated in groups based on the content they demand (while their demanded rates could be different), in such a way that maximises overall user satisfaction while respecting capacity constraints on every link in the network. The emphasis of this work is on full implementation, which means that all Nash equilibria of the induced game result in the optimal allocations of the centralized allocation problem.

Connected through hyperedge HE-1 (induced by source paper "almost budget balanced mechanisms with scalar bids for allocation of a divisible good"):
  with members:
    - "redistribution mechanisms for assignment of heterogeneous objects"
    - "auctions with severely bounded communication"

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.GT(Computer Science and Game Theory)