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 "existence problem of telescopers for rational functions in three variables the mixed cases"):
  Abstract: We present criteria on the existence of telescopers for trivariate rational functions in four mixed cases, in which discrete and continuous variables appear simultaneously. We reduce the existence problem in the trivariate case to the exactness testing problem, the separation problem and the existence problem in the bivariate case. The existence criteria we present help us determine the termination of Zeilberger's algorithm for the input functions studied in this paper.

Includes members:
  Member "bivariate extensions of abramov s algorithm for rational summation":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "existence problem of telescopers beyond the bivariate case":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "an algorithm for deciding the summability of bivariate rational functions":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "parallel telescoping and parameterized picard vessiot theory":
    also connected through other hyperedges:
      (none)
  Member "testing equivalence of polynomials under shifts":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "telescopers for rational and algebraic functions via residues":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "on the existence of telescopers for mixed hypergeometric terms":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "on the existence of telescopers for rational functions in three variables")
  Member "a non holonomic systems approach to special function identities":
    also connected through other hyperedges:
      - Hyperedge HE-7 (induced by source paper "on the existence of telescopers for rational functions in three variables")

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.SC(Symbolic Computation)