Ngày tải lên :
16/06/2015, 15:04
... any x, y, z ∈ X x1 , x2 ∈ X, x1 ≤ x2 ⇒ F (x1 , y, z) ≤ F (x2 , y, z) , y1 , y2 ∈ X, y1 ≤ y2 ⇒ F (x, y1 , z) ≥ F (x, y2 , z) and z1 , z2 ∈ X, z1 ≤ z2 ⇒ F (x, y, z1 ) ≤ F (x, y, z2 ) Definition 2. 2 .2 ... There are x0 , y0 , z0 ∈ X such that x0 ≤ F (x0 , y0 , z0 ), y0 ≥ F (y0 , x0 , y0 ), z0 ≤ F (z0 , y0 , x0 ) and max dj n (α) T x0 , T F (x0 , y0 , z0 ) , dj n (α) T y0 , T F (y0 , x0 , y0 ) , ... spaces and applications, Filomat (to appear) Le Khanh Hung ( 20 15 ), Fixed point theorems in locally convex algebras and applications to nonlinear integral equations, Fixed point theory and applications,...