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: "circle formation of weak mobile robots"
  Abstract: In this paper we prove the conjecture of D\'{e}fago & Konagaya. Furthermore, we describe a deterministic protocol for forming a regular n-gon in finite time.

Connected through hyperedge HE-1 (induced by source paper "fault induced dynamics of oblivious robots on a line"):
  with members:
    - "come together multi agent geometric consensus gathering rendezvous clustering aggregation"
    - "erratic extremism causes dynamic consensus a new model for one dimensional opinion dynamics"
    - "plane formation by synchronous mobile robots in the three dimensional euclidean space"
    - "distributed computing by mobile robots uniform circle formation"
    - "fault and byzantine tolerant self stabilizing mobile robots gathering feasibility study"
    - "distributed computing by mobile robots solving the uniform circle formation problem"
    - "certified impossibility results for byzantine tolerant mobile robots"
    - "the random bit complexity of mobile robots scattering"

Connected through hyperedge HE-2 (induced by source paper "mutual visibility by luminous robots without collisions"):
  with members:
    - "distributed computing by mobile robots solving the uniform circle formation problem"
    - "rendezvous of two robots with constant memory"
    - "rendezvous of two robots with visible bits"
    - "a distributed algorithm for gathering many fat mobile robots in the plane"
    - "the gathering problem for two oblivious robots with unreliable compasses"
    - "robocast asynchronous communication in robot networks"

Connected through hyperedge HE-3 (induced by source paper "getting close without touching near gathering for autonomous mobile robots"):
  with members:
    - "a distributed algorithm for gathering many fat mobile robots in the plane"
    - "leader election problem versus pattern formation problem"
    - "multirobot rendezvous with visibility sensors in nonconvex environments"

Connected through hyperedge HE-4 (induced by source paper "distributed computing by mobile robots uniform circle formation"):
  with members:
    - "square formation by asynchronous oblivious robots"
    - "distributed computing by mobile robots solving the uniform circle formation problem"
    - "the gathering problem for two oblivious robots with unreliable compasses"
    - "asynchronous mobile robot gathering from symmetric configurations without global multiplicity detection"

Connected through hyperedge HE-5 (induced by source paper "robots with lights overcoming obstructed visibility without colliding"):
  with members:
    - "rendezvous of two robots with constant memory"
    - "rendezvous of two robots with visible bits"
    - "a distributed algorithm for gathering many fat mobile robots in the plane"

Connected through hyperedge HE-6 (induced by source paper "distributed computing by mobile robots solving the uniform circle formation problem"):
  with members:
    - "the gathering problem for two oblivious robots with unreliable compasses"
    - "asynchronous mobile robot gathering from symmetric configurations without global multiplicity detection"

Connected through hyperedge HE-7 (induced by source paper "ring exploration with oblivious myopic robots"):
  with members:
    - "asynchronous mobile robot gathering from symmetric configurations without global multiplicity detection"
    - "optimal deterministic ring exploration with oblivious asynchronous robots"
    - "optimal probabilistic ring exploration by asynchronous oblivious robots"

Connected through hyperedge HE-8 (induced by source paper "deterministic leader election among disoriented anonymous sensors"):
  with members:
    - "leader election problem versus pattern formation problem"
    - "circle formation of weak robots and lyndon words"

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.RO(Robotics)