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: "real and complex monotone communication games"
  Abstract: Noncooperative game-theoretic tools have been increasingly used to study many important resource allocation problems in communications, networking, smart grids, and portfolio optimization. In this paper, we consider a general class of convex Nash equilibrium problems (NEPs), where each player aims at solving an arbitrary smooth convex optimization problem. Differently from most of current works, we do not assume any specific structure for the players' problems, and we allow the optimization variables of the players to be matrices in the complex domain. Our main contribution is the design of a novel class of distributed (asynchronous) best-response-algorithms suitable for solving the proposed NEPs, even in the presence of multiple solutions. The new methods, whose convergence analysis is based on variational inequality (VI) techniques, can select, among all the equilibria of a game, those that optimize a given performance criterion, at the cost of limited signaling among the players. This is a major departure from existing best-response algorithms, whose convergence conditions imply the uniqueness of the NE. Some of our results hinge on the use of VI problems directly in the complex domain; the study of these new kind of VIs also represents a noteworthy innovative contribution. We then apply the developed methods to solve some new generalizations of Single Input Single Output (SISO) and Multiple Input Multiple Output (MIMO) games in cognitive radio systems, showing a considerable performance improvement over classical pure noncooperative schemes.

Connected through hyperedge HE-1 (induced by source paper "on cyber risk management of blockchain networks a game theoretic approach"):
  with members:
    - "a survey on security and privacy issues of bitcoin"
    - "decentralized caching for content delivery based on blockchain a game theoretic perspective"
    - "double spend races"
    - "an empirical analysis of smart contracts platforms applications and design patterns"
    - "untangling blockchain a data processing view of blockchain systems"
    - "bitcoin ng a scalable blockchain protocol"
    - "analysis of hashrate based double spending"

Connected through hyperedge HE-2 (induced by source paper "friendly jamming in a mimo wiretap interference network a nonconvex game approach"):
  with members:
    - "joint power control in wiretap interference channels"
    - "physical layer security for massive mimo an overview on passive eavesdropping and active attacks"
    - "joint sensing and power allocation in nonconvex cognitive radio games nash equilibria and distributed algorithms"
    - "on secrecy rate of the generalized artificial noise assisted secure beamforming for wiretap channels"
    - "secure transmission with multiple antennas ii the mimome wiretap channel"
    - "on the secure degrees of freedom in the k user gaussian interference channel"

Connected through hyperedge HE-3 (induced by source paper "a variational inequality framework for network games existence uniqueness convergence and sensitivity analysis"):
  with members:
    - "sensitivity analysis for network aggregative games"
    - "decentralized convergence to nash equilibria in constrained deterministic mean field control"
    - "provision of public goods on networks on existence uniqueness and centralities"
    - "network aggregative games and distributed mean field control via consensus theory"

Connected through hyperedge HE-4 (induced by source paper "distributed optimization of hierarchical small cell networks a gnep framework"):
  with members:
    - "energy efficient power control a look at 5g wireless technologies"
    - "power control in networks with heterogeneous users a quasi variational inequality approach"
    - "energy aware competitive power allocation for heterogeneous networks under qos constraints"
    - "tier aware resource allocation in ofdma macrocell small cell networks"
    - "optimal user cell association for massive mimo wireless networks"
    - "what will 5g be"
    - "evolution toward 5g multi tier cellular wireless networks an interference management perspective"
    - "power control in two tier femtocell networks"

Connected through hyperedge HE-5 (induced by source paper "a parallel decomposition method for nonconvex stochastic multi agent optimization problems"):
  with members:
    - "hybrid random deterministic parallel algorithms for nonconvex big data optimization"
    - "parallel selective algorithms for big data optimization"
    - "decomposition by partial linearization parallel optimization of multi agent systems"
    - "averaged iterative water filling algorithm robustness and convergence"

Connected through hyperedge HE-6 (induced by source paper "energy efficiency in secure multi antenna systems"):
  with members:
    - "energy efficient scheduling and power allocation in downlink ofdma networks with base station coordination"
    - "on secrecy capacity of fast fading mimome wiretap channels with statistical csit"
    - "on the design of artificial noise aided secure multi antenna transmission in slow fading channels"
    - "on secrecy rate of the generalized artificial noise assisted secure beamforming for wiretap channels"
    - "framework for link level energy efficiency optimization with informed transmitter"
    - "explicit solution of worst case secrecy rate for miso wiretap channels with spherical uncertainty"
    - "information theoretically secret key generation for fading wireless channels"
    - "transmitter optimization for achieving secrecy capacity in gaussian mimo wiretap channels"

Connected through hyperedge HE-7 (induced by source paper "joint optimization of radio and computational resources for multicell mobile edge computing"):
  with members:
    - "decentralized computation offloading game for mobile cloud computing"
    - "parallel selective algorithms for big data optimization"
    - "decomposition by partial linearization parallel optimization of multi agent systems"

Connected through hyperedge HE-8 (induced by source paper "decomposition by partial linearization parallel optimization of multi agent systems"):
  with members:
    - "signal processing and optimal resource allocation for the interference channel"
    - "decomposition by successive convex approximation a unifying approach for linear transceiver design in heterogeneous networks"
    - "game theory and the frequency selective interference channel"
    - "the mimo iterative waterfilling algorithm"
    - "optimal linear precoding strategies for wideband noncooperative systems based on game theory part i nash equilibria"
    - "competitive design of multiuser mimo systems based on game theory a unified view"

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)