demiclosedとは 意味・読み方・使い方

形容詞

demiclosed ‎(not comparable)

1. (数学) closed at one extremum
   • 2015, Bui Van Dinh, Do Sang Kim, “Extragradient algorithms for equilibrium problems and symmetric generalized hybrid mappings”, in arXiv^[1]:

     The convergence of the iterates generated by each method is obtained under assumptions that the fixed point mapping is quasi-nonexpansive and demiclosed at ${\displaystyle 0}$, and the bifunction associated with the equilibrium problem is weakly continuous.