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: "decentralized estimation of laplacian eigenvalues in multi agent systems"
  Abstract: In this paper we present a decentralized algorithm to estimate the eigenvalues of the Laplacian matrix that encodes the network topology of a multi-agent system. We consider network topologies modeled by undirected graphs. The basic idea is to provide a local interaction rule among agents so that their state trajectory is a linear combination of sinusoids oscillating only at frequencies function of the eigenvalues of the Laplacian matrix. In this way, the problem of decentralized estimation of the eigenvalues is mapped into a standard signal processing problem in which the unknowns are the finite number of frequencies at which the signal oscillates.

Connected through hyperedge HE-1 (induced by source paper "distributed state estimation using intermittently connected robot networks"):
  with members:
    - "model based active source identification in complex environments"
    - "distributed active state estimation with user specified accuracy"
    - "distributed hierarchical control for state estimation with robotic sensor networks"
    - "simultaneous intermittent communication control and path optimization in networks of mobile robots"
    - "information acquisition with sensing robots algorithms and error bounds"
    - "sampling based algorithms for optimal motion planning"

Connected through hyperedge HE-2 (induced by source paper "fully distributed event triggered protocols for linear multi agent networks"):
  with members:
    - "event triggered leader following tracking control for multivariable multi agent systems"

Connected through hyperedge HE-3 (induced by source paper "spectral identification of networks with inputs"):
  with members:
    - "a tutorial on spectral clustering"

Connected through hyperedge HE-4 (induced by source paper "decentralized biconnectivity conditions in multi robot systems"):
  with members:
    - "enforcing biconnectivity in multi robot systems"

Connected through hyperedge HE-5 (induced by source paper "enforcing biconnectivity in multi robot systems"):
  with members:
    - "decentralized biconnectivity conditions in multi robot systems"

Connected through hyperedge HE-6 (induced by source paper "leader follower tracking control with guaranteed consensus performance for interconnected systems with linear dynamic uncertain coupling"):
  with members:
    - "guaranteed cost tracking for uncertain coupled multi agent systems using consensus over a directed graph"

Connected through hyperedge HE-7 (induced by source paper "distributed event triggered control for asymptotic synchronization of dynamical networks"):
  with members:
    - "robust self triggered coordination with ternary controllers"

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.SY(Systems and Control)