Bayesian network (BN) is a powerful tool for causal dependence relationship discoveries of
multivariate data. This paper proposes a federated multi-task learning framework for BNs …

Gradient descent yields zero training loss in polynomial time for deep neural networks
despite non-convex nature of the objective function. The behavior of network in the infinite …

Résumé Les certificats de positivité ou Positivstellensätze fournissent des représentations
de polynômes positifs sur des ensembles semialgébriques basiques fermés, c'est-a-dire des …

Positivity certificates or Positivstellens" atze provide representations of polynomials positive
on basic semialgebraic sets, ie, sets defined by finitely many polynomial inequalities. The …