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: "a simple necessary and sufficient condition for the double unicast problem"
  Abstract: We consider a directed acyclic network where there are two source-terminal pairs and the terminals need to receive the symbols generated at the respective sources. Each source independently generates an i.i.d. random process over the same alphabet. Each edge in the network is error-free, delay-free, and can carry one symbol from the alphabet per use. We give a simple necessary and sufficient condition for being able to simultaneously satisfy the unicast requirements of the two source-terminal pairs at rate-pair $(1,1)$ using vector network coding. The condition is also sufficient for doing this using only "XOR" network coding and is much simpler compared to the necessary and sufficient conditions known from previous work. Our condition also yields a simple characterization of the capacity region of a double-unicast network which does not support the rate-pair $(1,1)$.

Connected through hyperedge HE-1 (induced by source paper "on the degrees of freedom of two unicast wireless networks with delayed csit"):
  with members:
    - "throughput region of spatially correlated interference packet networks"
    - "two user erasure interference channels with local delayed csit"
    - "alignment based network coding for two unicast z networks"
    - "informational bottlenecks in two unicast wireless networks with delayed csit"
    - "capacity results for binary fading interference channels with delayed csit"
    - "real interference alignment exploiting the potential of single antenna systems"
    - "wireless network information flow a deterministic approach"
    - "two unicast information flows over linear deterministic networks"

Connected through hyperedge HE-2 (induced by source paper "on the influence of the interaction graph on a finite dynamical system"):
  with members:
    - "guessing numbers of odd cycles"
    - "simple dynamics on graphs"
    - "on the possible values of the entropy of undirected graphs"
    - "complete simulation of automata networks"
    - "fixed points of boolean networks guessing graphs and coding theory"
    - "reduction and fixed points of boolean networks and linear network coding solvability"
    - "graph theoretical constructions for graph entropy and network coding based communications"

Connected through hyperedge HE-3 (induced by source paper "a class of non linearly solvable networks"):
  with members:
    - "on the message dimensions of vector linearly solvable networks"
    - "on vector linear solvability of multicast networks"
    - "vector network coding based on subspace codes outperforms scalar linear network coding"
    - "multicast network coding and field sizes"
    - "linear network coding linear index coding and representable discrete polymatroids"
    - "on network coding for sum networks"
    - "lexicographic products and the power of non linear network coding"
    - "path gain algebraic formulation for the scalar linear network coding problem"

Connected through hyperedge HE-4 (induced by source paper "informational bottlenecks in two unicast wireless networks with delayed csit"):
  with members:
    - "two user erasure interference channels with local delayed csit"
    - "alignment based network coding for two unicast z networks"
    - "the value of local delayed csit"
    - "capacity results for binary fading interference channels with delayed csit"
    - "real interference alignment exploiting the potential of single antenna systems"
    - "communication through collisions opportunistic utilization of past receptions"
    - "on the degrees of freedom of k user siso interference and x channels with delayed csit"
    - "degrees of freedom region of the mimo interference channel with output feedback and delayed csit"

Connected through hyperedge HE-5 (induced by source paper "a generalized cut set bound for deterministic multi flow networks and its applications"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "wireless network information flow a deterministic approach"
    - "two unicast information flows over linear deterministic networks"
    - "network coding capacity a functional dependence bound"
    - "a new outer bound and the noisy interference sum rate capacity for gaussian interference channels"
    - "capacity bounds for the gaussian interference channel"
    - "capacity of linear two hop mesh networks with rate splitting decode and forward relaying and cooperation"
    - "gaussian interference channel capacity to within one bit"

Connected through hyperedge HE-6 (induced by source paper "on the multiple unicast capacity of 3 source 3 terminal directed acyclic networks"):
  with members:
    - "a note on the multiple unicast capacity of directed acyclic networks"
    - "an achievable region for the double unicast problem based on a minimum cut analysis"
    - "communicating the sum of sources over a network"
    - "network coding for multiple unicasts an interference alignment approach"
    - "overlay protection against link failures using network coding"
    - "protection against link errors and failures using network coding"

Connected through hyperedge HE-7 (induced by source paper "an achievable region for the double unicast problem based on a minimum cut analysis"):
  with members:
    - "on the multiple unicast capacity of 3 source 3 terminal directed acyclic networks"
    - "on the capacity region of two user linear deterministic interference channel and its application to multi session network coding"
    - "a note on the multiple unicast capacity of directed acyclic networks"
    - "network coding for multiple unicasts an interference alignment approach"
    - "overlay protection against link failures using network coding"
    - "protection against link errors and failures using network coding"

Connected through hyperedge HE-8 (induced by source paper "on the solvability of 3 source 3 terminal sum networks"):
  with members:
    - "communicating the sum of sources over a network"
    - "feasible alphabets for communicating the sum of sources over a network"
    - "some bounds on the capacity of communicating the sum of sources"
    - "some results on communicating the sum of sources over a network"
    - "on distributed computation in noisy random planar networks"

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)