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: "beating the generator enumeration bound for p group isomorphism"
  Abstract: We consider the group isomorphism problem: given two finite groups G and H specified by their multiplication tables, decide if G cong H. For several decades, the n^(log_p n + O(1)) generator-enumeration bound (where p is the smallest prime dividing the order of the group) has been the best worst-case result for general groups. In this work, we show the first improvement over the generator-enumeration bound for p-groups, which are believed to be the hard case of the group isomorphism problem. We start by giving a Turing reduction from group isomorphism to n^((1 / 2) log_p n + O(1)) instances of p-group composition-series isomorphism. By showing a Karp reduction from p-group composition-series isomorphism to testing isomorphism of graphs of degree at most p + O(1) and applying algorithms for testing isomorphism of graphs of bounded degree, we obtain an n^(O(p)) time algorithm for p-group composition-series isomorphism. Combining these two results yields an algorithm for p-group isomorphism that takes at most n^((1 / 2) log_p n + O(p)) time. This algorithm is faster than generator-enumeration when p is small and slower when p is large. Choosing the faster algorithm based on p and n yields an upper bound of n^((1 / 2 + o(1)) log n) for p-group isomorphism.

Connected through hyperedge HE-1 (induced by source paper "incorporating weisfeiler leman into algorithms for group isomorphism"):
  with members:
    - "on weisfeiler leman invariance subgraph counts and related graph properties"
    - "on the group and color isomorphism problems"
    - "graph isomorphism in quasipolynomial time"
    - "bidirectional collision detection and faster deterministic isomorphism testing"

Connected through hyperedge HE-2 (induced by source paper "normalizers and permutational isomorphisms in simply exponential time"):
  with members:
    - "an improved isomorphism test for bounded tree width graphs"
    - "a unifying method for the design of algorithms canonizing combinatorial objects"
    - "algorithms for group isomorphism via group extensions and cohomology"

Connected through hyperedge HE-3 (induced by source paper "a unifying method for the design of algorithms canonizing combinatorial objects"):
  with members:
    - "an improved isomorphism test for bounded tree width graphs"
    - "a faster isomorphism test for graphs of small degree"
    - "minimum circuit size graph isomorphism and related problems"
    - "polynomial time isomorphism test of groups that are tame extensions"
    - "isomorphism testing for graphs of bounded rank width"
    - "algorithms for group isomorphism via group extensions and cohomology"

Connected through hyperedge HE-4 (induced by source paper "group isomorphism with fixed subnormal chains"):
  with members:
    - "bidirectional collision detection and faster deterministic isomorphism testing"
    - "breaking the n log n barrier for solvable group isomorphism"

Connected through hyperedge HE-5 (induced by source paper "beating the generator enumeration bound for solvable group isomorphism"):
  with members:
    - "algorithms for group isomorphism via group extensions and cohomology"
    - "efficient isomorphism testing for a class of group extensions"

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.DS(Data Structures and Algorithms)