EM algorithm for two-component exponential mixtures converges at sub-exponential rate in O(log n) iterations under generalized separation assumptions.
arXiv preprint arXiv:2011.02258 , year=
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Replaces determinant growth with generalized Rayleigh quotient for rare switching in private linear bandits to control worst-direction volume despite non-monotonic design matrices from noise.
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Global convergence analysis of mixtures of Exponential densities
EM algorithm for two-component exponential mixtures converges at sub-exponential rate in O(log n) iterations under generalized separation assumptions.
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When Determinants Are Not Enough: Private Rare Switching
Replaces determinant growth with generalized Rayleigh quotient for rare switching in private linear bandits to control worst-direction volume despite non-monotonic design matrices from noise.