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 "slowly synchronizing automata with idempotent letters of low rank"):
  Abstract: We use a semigroup-theoretic construction by Peter Higgins in order to produce, for each even $n$, an $n$-state and 3-letter synchronizing automaton with the following two features: 1) all its input letters act as idempotent selfmaps of rank at most $\dfrac{n}2$; 2) its reset threshold is asymptotically equal to $\dfrac{n^2}2$.

Includes members:
  Member "improving the upper bound on the length of the shortest reset word":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "a linear bound on the k rendezvous time for primitive sets of nz matrices")
  Member "on randomized generation of slowly synchronizing automata":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "a linear bound on the k rendezvous time for primitive sets of nz matrices")
  Member "counting symbol switches in synchronizing automata":
    also connected through other hyperedges:
      (none)
  Member "on the interplay between babai and v c ern y s conjectures":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "on completely reachable automata and subset reachability")
  Member "an extremal series of eulerian synchronizing automata":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "on random primitive sets directable ndfas and the generation of slowly synchronizing dfas")
  Member "synchronizing automata with extremal properties":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "a linear bound on the k rendezvous time for primitive sets of nz matrices")

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.FL(Formal Languages and Automata Theory)