= Adaptive Subgradient Methods for Online Learning and Stochastic Optimization by John Duchi and others
{c}
{tag=Work by John Duchi}
{tag=Work by Elad Hazan}
{tag=Work by Yoram Singer}
https://jmlr.org/papers/v12/duchi11a.html
John Duchi, Elad Hazan and Yoram Singer; Journal of Machine Learning Research12(61),2121–2159(2011). Primary PDF: https://jmlr.org/papers/volume12/duchi11a/duchi11a.pdf
First-page full bylines verified. Section1.1, printed pp2122–2124, Eq1 and Eq5: cumulative gradient outer-product matrix, diagonal specialization and additive stabilization outside its square root. Used for mathematical mechanisms, not benchmark or convergence claims beyond their stated hypotheses.
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