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: "minimum csit to achieve maximum degrees of freedom for the miso bc"
  Abstract: Channel state information at the transmitter (CSIT) is a key ingredient in realizing the multiplexing gain provided by distributed MIMO systems. For a downlink multiple-input single output (MISO) broadcast channel, with M antennas at the transmitters and K single antenna receivers, the maximum multiplexing gain or the maximum degrees of freedom (DoF) is min(M,K). The optimal DoF of min(M,K) is achievable if the transmitter has access to perfect, instantaneous CSIT from all receivers. In this paper, we pose the question that what is minimum amount of CSIT required per user in order to achieve the maximum DoF of min(M,K). By minimum amount of CSIT per user, we refer to the minimum fraction of time that the transmitter has access to perfect and instantaneous CSIT from a user. Through a novel converse proof and an achievable scheme, it is shown that the minimum fraction of time, perfect CSIT is required per user in order to achieve the DoF of min(M,K) is given by min(M,K)/K.

Connected through hyperedge HE-1 (induced by source paper "achievable degrees of freedom of the k user miso broadcast channel with alternating csit via interference creation resurrection"):
  with members:
    - "on the degrees of freedom of the 3 user miso broadcast channel with hybrid csit"
    - "optimal use of current and outdated channel state information degrees of freedom of the miso bc with mixed csit"
    - "a new outer bound via interference localization and the degrees of freedom regions of mimo interference networks with no csit"
    - "completely stale transmitter channel state information is still very useful"
    - "mimo broadcast channels with finite rate feedback"

Connected through hyperedge HE-2 (induced by source paper "optimal dof region of the two user miso bc with general alternating csit"):
  with members:
    - "capacity results for binary fading interference channels with delayed csit"
    - "the degrees of freedom region of temporally correlated mimo networks with delayed csit"
    - "on the degrees of freedom of the k user time correlated broadcast channel with delayed csit"
    - "imperfect and unmatched csit is still useful for the frequency correlated miso broadcast channel"
    - "degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "toward the performance vs feedback tradeoff for the two user miso broadcast channel"
    - "on the fundamental feedback vs performance tradeoff over the miso bc with imperfect and delayed csit"
    - "degrees of freedom region of the miso broadcast channel with general mixed csit"

Connected through hyperedge HE-3 (induced by source paper "degrees of freedom region of miso ofdma broadcast channel with imperfect csit"):
  with members:
    - "optimal dof region of the two user miso bc with general alternating csit"
    - "symmetric two user mimo bc and ic with evolving feedback"
    - "on the degrees of freedom of the k user time correlated broadcast channel with delayed csit"
    - "imperfect and unmatched csit is still useful for the frequency correlated miso broadcast channel"
    - "miso broadcast channel with imperfect and un matched csit in the frequency domain dof region and transmission strategies"
    - "degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "toward the performance vs feedback tradeoff for the two user miso broadcast channel"
    - "degrees of freedom region of the miso broadcast channel with general mixed csit"

Connected through hyperedge HE-4 (induced by source paper "on the fundamental feedback vs performance tradeoff over the miso bc with imperfect and delayed csit"):
  with members:
    - "the degrees of freedom region of temporally correlated mimo networks with delayed csit"
    - "on the degrees of freedom of the k user time correlated broadcast channel with delayed csit"
    - "degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "degrees of freedom region of the miso broadcast channel with general mixed csit"
    - "optimal use of current and outdated channel state information degrees of freedom of the miso bc with mixed csit"
    - "on the degrees of freedom of time correlated miso broadcast channel with delayed csit"
    - "miso broadcast channel with delayed and evolving csit"
    - "not too delayed csit achieves the optimal degrees of freedom"

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)