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: "aligned interference neutralization and the degrees of freedom of the 2x2x2 interference channel"
  Abstract: We show that the 2x2x2 interference channel, i.e., the multihop interference channel formed by concatenation of two 2-user interference channels achieves the min-cut outer bound value of 2 DoF, for almost all values of channel coefficients, for both time-varying or fixed channel coefficients. The key to this result is a new idea, called aligned interference neutralization, that provides a way to align interference terms over each hop in a manner that allows them to be cancelled over the air at the last hop.

Connected through hyperedge HE-1 (induced by source paper "degrees of freedom region of the mimo interference channel with output feedback and delayed csit"):
  with members:
    - "optimal use of current and outdated channel state information degrees of freedom of the miso bc with mixed csit"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"
    - "the degrees of freedom region of the mimo interference channel with shannon feedback"
    - "interference channels with source cooperation"
    - "the degrees of freedom regions of two user and certain three user mimo broadcast channels with delayed csit"
    - "interference channels with destination cooperation"
    - "completely stale transmitter channel state information is still very useful"
    - "retrospective interference alignment"

Connected through hyperedge HE-2 (induced by source paper "approximate ergodic capacity of a class of fading 2 user 2 hop networks"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "the approximate sum capacity of the symmetric gaussian k user interference channel"
    - "degrees of freedom of interference channels with comp transmission and reception"
    - "the ergodic capacity of phase fading interference networks"
    - "wireless network information flow a deterministic approach"
    - "computation alignment capacity approximation without noise accumulation"
    - "two unicast wireless networks characterizing the degrees of freedom"
    - "interference alignment from degrees of freedom to constant gap capacity approximations"

Connected through hyperedge HE-3 (induced by source paper "on achievable schemes of interference alignment in constant channels via finite amplify and forward relays"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "interference alignment as a rank constrained rank minimization"
    - "degrees of freedom region of a class of multi source gaussian relay networks"
    - "on feasibility of interference alignment in mimo interference networks"
    - "degrees of freedom of multi source relay networks"
    - "on the degrees of freedom of the compound mimo broadcast channels with finite states"
    - "on feasibility of interference alignment in mimo interference networks"
    - "ergodic interference alignment"

Connected through hyperedge HE-4 (induced by source paper "instantaneous relaying optimal strategies and interference neutralization"):
  with members:
    - "capacity of strong and very strong gaussian interference relay without delay channels"
    - "aligned interference neutralization and the degrees of freedom of the 2 user interference channel with instantaneous relay"
    - "rate region frontiers for n user interference channel with interference as noise"
    - "gaussian z interference channel with a relay link achievability region and asymptotic sum capacity"
    - "cooperative interference management with miso beamforming"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "optimal beamforming for two way multi antenna relay channel with analogue network coding"
    - "transmission techniques for relay interference networks"

Connected through hyperedge HE-5 (induced by source paper "computation alignment capacity approximation without noise accumulation"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "an algebraic approach to physical layer network coding"
    - "wireless network information flow a deterministic approach"
    - "the approximate capacity of the gaussian n relay diamond network"
    - "the degrees of freedom of compute and forward"
    - "nested lattice codes for gaussian relay networks with interference"
    - "two unicast wireless networks characterizing the degrees of freedom"
    - "multiple unicast capacity of 2 source 2 sink networks"

Connected through hyperedge HE-6 (induced by source paper "subspace alignment chains and the degrees of freedom of the three user mimo interference channel"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "on the degrees of freedom achievable through interference alignment in a mimo interference channel"
    - "settling the feasibility of interference alignment for the mimo interference channel the symmetric square case"
    - "two unicast wireless networks characterizing the degrees of freedom"
    - "a new achievable dof region for the 3 user mxn symmetric interference channel"
    - "geometry of the 3 user mimo interference channel"
    - "retrospective interference alignment"
    - "interference alignment for the k user mimo interference channel"

Connected through hyperedge HE-7 (induced by source paper "interference alignment and neutralization in a cognitive 3 user mac interference channel degrees of freedom"):
  with members:
    - "on gaussian multiple access channels with interference achievable rates and upper bounds"
    - "new results on the capacity of the gaussian cognitive interference channel"
    - "on the capacity of the 2 user gaussian mac interfering with a p2p link"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "cognitive radio an information theoretic perspective"

Connected through hyperedge HE-8 (induced by source paper "multiple unicast capacity of 2 source 2 sink networks"):
  with members:
    - "two unicast wireless networks characterizing the degrees of freedom"
    - "on the solvability of 2 pair unicast networks a cut based characterization"
    - "on the degrees of freedom of the compound mimo broadcast channels with finite states"
    - "real interference alignment with real numbers"
    - "degrees of freedom region for the mimo x channel"

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)