Guirao Sánchez, Antonio José; Montesinos Santalucia, Vicente; Zizler, Vaclav(Elsevier, 2017)
[EN] There is a maybe unexpected connection between three apparently unrelated notions concerning a given w*-dense subspace Y of the dual X* of a Banach space X: (i) The norming character of Y, (ii) the fact that (Y, w*) ...
Hardtke, Jan-David(Universitat Politècnica de València, 2011-04-01)
[EN] Let X be a real Banach space. A subset B of the dual unit sphere of X is said to be a boundary for X, if every element of X attains its norm on some functional in B. The well-known Boundary Problem originally posed ...