human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "fair division with bounded sharing"):
  Abstract: A set of objects is to be divided fairly among agents with different tastes, modeled by additive value functions. If the objects cannot be shared, so that each of them must be entirely allocated to a single agent, then fair division may not exist. How many objects must be shared between two or more agents in order to attain a fair division? The paper studies various notions of fairness, such as proportionality, envy-freeness and equitability. It also studies consensus division, in which each agent assigns the same value to all bundles --- a notion that is useful in truthful fair division mechanisms. It proves upper bounds on the number of required sharings. However, it shows that finding the minimum number of sharings is, in general, NP-hard even for generic instances. Many problems remain open.

Includes members:
  Member "on the proximity of markets with integral equilibria":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "algorithms for competitive division of chores")
  Member "truthful fair division":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "obvious manipulations in cake cutting")

Question: Please tell me which class the source paper 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)