human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "on optimal multiplexing of an ensemble of discrete time constrained control systems on matrix lie groups"):
  Abstract: We study a constrained optimal control problem for an ensemble of control systems. Each sub-system (or plant) evolves on a matrix Lie group, and must satisfy given state and control action constraints pointwise in time. In addition, certain multiplexing requirement is imposed: the controller must be shared between the plants in the sense that at any time instant the control signal may be sent to only one plant. We provide first-order necessary conditions for optimality in the form of suitable Pontryagin maximum principle in this problem. Detailed numerical experiments are presented for a system of two satellites performing energy optimal maneuvers under the preceding family of constraints.

Includes members:
  Member "discrete time optimal attitude control of a spacecraft with momentum and control constraints":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "discrete optimal control of interconnected mechanical systems")
  Member "structure preserving constrained optimal trajectory planning of a wheeled inverted pendulum":
    also connected through other hyperedges:
      (none)
  Member "a frequency constrained geometric pontryagin maximum principle on matrix lie groups":
    also connected through other hyperedges:
      (none)
  Member "discrete optimal control of interconnected mechanical systems":
    also connected through other hyperedges:
      (none)
  Member "structure preserving discrete time optimal maneuvers of a wheeled inverted pendulum":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "structure preserving constrained optimal trajectory planning of a wheeled inverted pendulum")
  Member "a discrete time pontryagin maximum principle on matrix lie groups":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "structure preserving constrained optimal trajectory planning of a wheeled inverted pendulum")

Question: Please tell me which class the source paper 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)