Well-positioned Closed Convex Sets and Well-positioned Closed Convex Functions. - Samir Adly; Emil Ernst; Michel Théra (J. Glob. Optim., 2004)

Boundary Half-Strips and the Strong CHIP. - Emil Ernst; Michel Théra (SIAM J. Optim., 2007)

On the necessity of the Moreau-Rockafellar-Robinson qualification condition in Banach spaces. - Emil Ernst; Michel Théra (Math. Program., 2009)

Zero Duality Gap for Convex Programs: A Generalization of the Clark-Duffin Theorem. - Emil Ernst; Michel Volle (J. Optim. Theory Appl., 2013)