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: "on the capacity and generalized degrees of freedom of the x channel"
  Abstract: We explore the capacity and generalized degrees of freedom of the two-user Gaussian X channel, i.e. a generalization of the 2 user interference channel where there is an independent message from each transmitter to each receiver. There are three main results in this paper. First, we characterize the sum capacity of the deterministic X channel model under a symmetric setting. Second, we characterize the generalized degrees of freedom of the Gaussian X channel under a similar symmetric model. Third, we extend the noisy interference capacity characterization previously obtained for the interference channel to the X channel. Specifically, we show that the X channel associated with noisy (very weak) interference channel has the same sum capacity as the noisy interference channel.

Connected through hyperedge HE-1 (induced by source paper "fundamental limits of communications in interference networks part i basic structures"):
  with members:
    - "on the sum capacity of the discrete memoryless interference channel with one sided weak interference and mixed interference"
    - "on marton s inner bound for broadcast channels"
    - "evaluation of marton s inner bound for the general broadcast channel"
    - "on the capacity of interference channel with causal and noncausal generalized feedback at the cognitive transmitter"
    - "fundamental limits of communications in interference networks part ii information flow in degraded networks"
    - "inner and outer bounds for the gaussian cognitive interference channel and new capacity results"
    - "interference networks with general message sets a random coding scheme"
    - "a new capacity result for the z gaussian cognitive interference channel"

Connected through hyperedge HE-2 (induced by source paper "on the sum rate of a 2 x 2 interference network"):
  with members:
    - "capacity bounds for the gaussian interference channel"
    - "gaussian interference channel capacity to within one bit"

Connected through hyperedge HE-3 (induced by source paper "interference alignment from degrees of freedom to constant gap capacity approximations"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "wireless network information flow a deterministic approach"
    - "the degrees of freedom of compute and forward"
    - "interference alignment at finite snr for time invariant channels"
    - "a digital interface for gaussian relay and interference networks lifting codes from the discrete superposition model"
    - "completely stale transmitter channel state information is still very useful"
    - "retrospective interference alignment"
    - "interference mitigation through limited transmitter cooperation"

Connected through hyperedge HE-4 (induced by source paper "on the generalized degrees of freedom of the k user symmetric mimo gaussian interference channel"):
  with members:
    - "subspace alignment chains and the degrees of freedom of the three user mimo interference channel"
    - "the generalized degrees of freedom of the mimo interference channel"
    - "interference alignment for the k user mimo interference channel"
    - "capacity regions and sum rate capacities of vector gaussian interference channels"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "capacity of a class of symmetric simo gaussian interference channels within o 1"
    - "degrees of freedom of the k user m times n mimo interference channel"
    - "generalized degrees of freedom of the symmetric gaussian k user interference channel"

Connected through hyperedge HE-5 (induced by source paper "the generalized degrees of freedom of the mimo interference channel"):
  with members:
    - "the generalized degrees of freedom region of the mimo interference channel"
    - "the capacity region of the mimo interference channel and its reciprocity to within a constant gap"
    - "on the sum capacity of a class of cyclically symmetric deterministic interference channels"
    - "capacity of a class of symmetric simo gaussian interference channels within o 1"
    - "generalized degrees of freedom of the symmetric gaussian k user interference channel"
    - "gaussian interference channel capacity to within one bit"

Connected through hyperedge HE-6 (induced by source paper "aligned interference neutralization and the degrees of freedom of the 2x2x2 interference channel"):
  with members:
    - "distributed data storage with minimum storage regenerating codes exact and functional repair are asymptotically equally efficient"
    - "exploiting channel correlations simple interference alignment schemes with no csit"
    - "sum capacity and the unique separability of the parallel gaussian mac z bc network"
    - "error exponents for the gaussian channel with active noisy feedback"
    - "capacity bounds for two hop interference networks"
    - "real interference alignment with real numbers"
    - "on the degrees of freedom of the k user gaussian interference channel"
    - "on the sum capacity of a class of cyclically symmetric deterministic interference channels"

Connected through hyperedge HE-7 (induced by source paper "generalized degrees of freedom of the interference channel with a signal cognitive relay"):
  with members:
    - "approaching the capacity of wireless networks through distributed interference alignment"
    - "gaussian interference channel capacity to within one bit"

Connected through hyperedge HE-8 (induced by source paper "interference alignment and a noisy interference regime for many to one interference channels"):
  with members:
    - "ergodic fading interference channels sum capacity and separability"
    - "capacity regions and sum rate capacities of vector gaussian interference channels"
    - "on the degrees of freedom of finite state compound wireless networks settling a conjecture by weingarten et al"
    - "asymptotic equipartition property of output when rate is above capacity"
    - "a new outer bound and the noisy interference sum rate capacity for gaussian interference channels"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "capacity of a class of symmetric simo gaussian interference channels within o 1"
    - "gaussian interference networks sum capacity in the low interference regime and new outer bounds on the capacity region"

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.IT(Information Theory)