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: "approximate self assembly of the sierpinski triangle"
  Abstract: The Tile Assembly Model is a Turing universal model that Winfree introduced in order to study the nanoscale self-assembly of complex (typically aperiodic) DNA crystals. Winfree exhibited a self-assembly that tiles the first quadrant of the Cartesian plane with specially labeled tiles appearing at exactly the positions of points in the Sierpinski triangle. More recently, Lathrop, Lutz, and Summers proved that the Sierpinski triangle cannot self-assemble in the "strict" sense in which tiles are not allowed to appear at positions outside the target structure. Here we investigate the strict self-assembly of sets that approximate the Sierpinski triangle. We show that every set that does strictly self-assemble disagrees with the Sierpinski triangle on a set with fractal dimension at least that of the Sierpinski triangle (roughly 1.585), and that no subset of the Sierpinski triangle with fractal dimension greater than 1 strictly self-assembles. We show that our bounds are tight, even when restricted to supersets of the Sierpinski triangle, by presenting a strict self-assembly that adds communication fibers to the fractal structure without disturbing it. To verify this strict self-assembly we develop a generalization of the local determinism method of Soloveichik and Winfree.

Connected through hyperedge HE-1 (induced by source paper "hierarchical growth is necessary and sometimes sufficient to self assemble discrete self similar fractals"):
  with members:
    - "self assembly of 4 sided fractals in the two handed tile assembly model"
    - "hierarchical self assembly of fractals with signal passing tiles extended abstract"
    - "hierarchical self assembly of fractals with signal passing tiles"
    - "scaled tree fractals do not strictly self assemble"
    - "strict self assembly of fractals using multiple hands"
    - "parallelism and time in hierarchical self assembly"
    - "strict self assembly of discrete sierpinski triangles"
    - "self assembly of the discrete sierpinski carpet and related fractals"

Connected through hyperedge HE-2 (induced by source paper "new bounds on the tile complexity of thin rectangles at temperature 1"):
  with members:
    - "the non cooperative tile assembly model is not intrinsically universal or capable of bounded turing machine simulation"
    - "optimal self assembly of finite shapes at temperature 1 in 3d"
    - "intrinsic universality in tile self assembly requires cooperation"
    - "temperature 1 self assembly deterministic assembly in 3d and probabilistic assembly in 2d"
    - "limitations of self assembly at temperature 1"
    - "complexity of self assembled shapes"

Connected through hyperedge HE-3 (induced by source paper "self assembly of 4 sided fractals in the two handed tile assembly model"):
  with members:
    - "hierarchical growth is necessary and sometimes sufficient to self assemble discrete self similar fractals"
    - "the non cooperative tile assembly model is not intrinsically universal or capable of bounded turing machine simulation"
    - "universal simulation of directed systems in the abstract tile assembly model requires undirectedness"
    - "hierarchical self assembly of fractals with signal passing tiles extended abstract"
    - "hierarchical self assembly of fractals with signal passing tiles"
    - "self assembly of shapes at constant scale using repulsive forces"
    - "universal shape replicators via self assembly with attractive and repulsive forces"
    - "the simulation powers and limitations of higher temperature hierarchical self assembly systems"

Connected through hyperedge HE-4 (induced by source paper "hierarchical self assembly of fractals with signal passing tiles"):
  with members:
    - "self assembly of 4 sided fractals in the two handed tile assembly model"
    - "hierarchical self assembly of fractals with signal passing tiles extended abstract"
    - "replication of arbitrary hole free shapes via self assembly with signal passing tiles extended abstract"
    - "scaled tree fractals do not strictly self assemble"
    - "strict self assembly of fractals using multiple hands"
    - "signal transmission across tile assemblies 3d static tiles simulate active self assembly by 2d signal passing tiles"
    - "asynchronous signal passing for tile self assembly fuel efficient computation and efficient assembly of shapes"
    - "two hands are better than one up to constant factors"

Connected through hyperedge HE-5 (induced by source paper "strict self assembly of fractals using multiple hands"):
  with members:
    - "scaled tree fractals do not strictly self assemble"
    - "the two handed tile assembly model is not intrinsically universal"
    - "producibility in hierarchical self assembly"
    - "intrinsic universality in tile self assembly requires cooperation"
    - "fuel efficient computation in passive self assembly"
    - "asynchronous signal passing for tile self assembly fuel efficient computation and efficient assembly of shapes"
    - "two hands are better than one up to constant factors"
    - "parallelism and time in hierarchical self assembly"

Connected through hyperedge HE-6 (induced by source paper "scaled tree fractals do not strictly self assemble"):
  with members:
    - "intrinsic universality in tile self assembly requires cooperation"
    - "strict self assembly of discrete sierpinski triangles"
    - "self assembly of the discrete sierpinski carpet and related fractals"
    - "self assembly of discrete self similar fractals"

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.CC(Computational Complexity)