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: "tight exponential analysis of universally composable privacy amplification and its applications"
  Abstract: Motivated by the desirability of universal composability, we analyze in terms of L1 distinguishability the task of secret key generation from a joint random variable. Under this secrecy criterion, using the Renyi entropy of order 1+s for s ∈ [0,1], we derive a new upper bound of Eve's distinguishability under the application of the universal2 hash functions. It is also shown that this bound gives the tight exponential rate of decrease in the case of independent and identical distributions. The result is applied to the wiretap channel model and to secret key generation (distillation) by public discussion.

Connected through hyperedge HE-1 (induced by source paper "communication for generating correlation a unifying survey"):
  with members:
    - "secret key capacity for multipleaccess channel with public feedback"
    - "exact exponent for soft covering"
    - "exact channel synthesis"
    - "strong converse using change of measure arguments"
    - "coding for positive rate in the source model key agreement problem"
    - "wiretap channels nonasymptotic fundamental limits"
    - "channel resolvability theorems for general sources and channels"
    - "strong functional representation lemma and applications to coding theorems"

Connected through hyperedge HE-2 (induced by source paper "exact exponent for soft covering"):
  with members:
    - "first and second order asymptotics in covert communication"
    - "exact random coding secrecy exponents for the wiretap channel"
    - "second order asymptotics in covert communication"
    - "secure multiplex coding with dependent and non uniform multiple messages"
    - "soft covering with high probability"
    - "a stronger soft covering lemma and applications"
    - "renyi divergence and kullback leibler divergence"
    - "exact random coding error exponents of optimal bin index decoding"

Connected through hyperedge HE-3 (induced by source paper "two way physical layer security protocol for gaussian channels"):
  with members:
    - "semi finite length analysis for information theoretic tasks"
    - "a survey of physical layer security techniques for 5g wireless networks and challenges ahead"
    - "physical layer security for rf satellite channels in the finite length regime"
    - "wiretap channels nonasymptotic fundamental limits"
    - "quantum inspired secure wireless communication protocol under spatial and local gaussian noise assumptions"
    - "secure wireless communication under spatial and local gaussian noise assumptions"
    - "numerical study on secrecy capacity and code length dependence of the performances in optical wiretap channels"
    - "the wiretap channel with generalized feedback secure communication and key generation"

Connected through hyperedge HE-4 (induced by source paper "operational interpretation of renyi information measures via composite hypothesis testing against product and markov distributions"):
  with members:
    - "secure multiplex coding with dependent and non uniform multiple messages"
    - "two measures of dependence"
    - "uniform random number generation from markov chains non asymptotic and asymptotic analyses"
    - "equivocations exponents and second order coding rates under various r enyi information measures"
    - "universal channel coding for exponential family of channels"
    - "universal channel coding for general output alphabet"
    - "converses for secret key agreement and secure computing"
    - "encoding tasks and renyi entropy"

Connected through hyperedge HE-5 (induced by source paper "on privacy amplification lossy compression and their duality to channel coding"):
  with members:
    - "wiretap channels nonasymptotic fundamental limits"
    - "uniform random number generation from markov chains non asymptotic and asymptotic analyses"
    - "alignment of polarized sets"
    - "e_ gamma resolvability"
    - "approaching the rate distortion limit with spatial coupling belief propagation and decimation"
    - "non asymptotic output statistics of random binning and its applications"
    - "non asymptotic analysis of privacy amplification via renyi entropy and inf spectral entropy"
    - "fixed length lossy compression in the finite blocklength regime"

Connected through hyperedge HE-6 (induced by source paper "exact random coding secrecy exponents for the wiretap channel"):
  with members:
    - "secure multiplex coding with dependent and non uniform multiple messages"
    - "soft covering with high probability"
    - "the sender excited secret key agreement model capacity reliability and secrecy exponents"
    - "on the secrecy exponent of the wire tap channel"
    - "exact random coding error exponents of optimal bin index decoding"
    - "informational divergence approximations to product distributions"
    - "effective secrecy reliability confusion and stealth"
    - "distributed channel synthesis"

Connected through hyperedge HE-7 (induced by source paper "finite blocklength bounds for wiretap channels"):
  with members:
    - "security analysis of varepsilon almost dual universal 2 hash functions smoothing of min entropy versus smoothing of renyi entropy of order 2"
    - "e_ gamma resolvability"
    - "asymptotic estimates in information theory with non vanishing error probabilities"
    - "the third order term in the normal approximation for the awgn channel"
    - "on the secrecy exponent of the wire tap channel"
    - "converses for secret key agreement and secure computing"
    - "information spectrum approach to strong converse theorems for degraded wiretap channels"
    - "strong converse for a degraded wiretap channel via active hypothesis testing"

Connected through hyperedge HE-8 (induced by source paper "security analysis of varepsilon almost dual universal 2 hash functions smoothing of min entropy versus smoothing of renyi entropy of order 2"):
  with members:
    - "secure multiplex coding with dependent and non uniform multiple messages"
    - "uniform random number generation from markov chains non asymptotic and asymptotic analyses"
    - "equivocations exponents and second order coding rates under various r enyi information measures"
    - "non asymptotic and asymptotic analyses of information processing on markov chains"
    - "secret key generation from gaussian sources using lattice hashing"
    - "non asymptotic analysis of privacy amplification via renyi entropy and inf spectral entropy"
    - "exponential decreasing rate of leaked information in universal random privacy amplification"
    - "strongly secure communications over the two way wiretap channel"

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.IT(Information Theory)