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 "cycle structure of permutation functions over finite fields and their applications"):
  Abstract: In this work we establish some new interleavers based on #R##N#permutation functions. The inverses of these interleavers are #R##N#known over a finite field $\mathbb F_q$. For the first time #R##N#Mobius and Redei functions are used to give new #R##N#deterministic interleavers. Furthermore we employ Skolem sequences#R##N#in order to find new interleavers with known cycle structure.#R##N#In the case of Redei functions an exact formula for the inverse #R##N#function is derived. The cycle structure of Redei functions is #R##N#also investigated. The self-inverse and non-self-inverse versions #R##N#of these permutation functions can be used to construct new #R##N#interleavers.

Includes members:
  Member "permutation polynomial interleavers an algebraic geometric perspective":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "pruned bit reversal permutations mathematical characterization fast algorithms and architectures")
  Member "on quadratic inverses for quadratic permutation polynomials over integer rings":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "parallel interleaver design for a high throughput hspa lte multi standard turbo decoder")
  Member "on quasi cyclic interleavers for parallel turbo codes":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "turbo lattices construction and error decoding performance")

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.IT(Information Theory)