This paper provides another proof of the Attouch Theorem relating the epigraphical limit of sequences of convex functions to the set limit of the graphs of the subdifferentials.
SIAM Journal on Applied Mathematics, Vol. 27, No. 1 (Jul., 1974), pp. 131-137 (7 pages) A necessary condition and a sufficient condition for the pseudo-convexity of a function are given. These ...