Ngày tải lên :
21/06/2014, 11:20
... following conditions: A1 Φ x, x for all x ∈ C; A2 Φ is monotone, that is, Φ x, y Φ y, x ≤ for all x, y ∈ C; A3 For all x, y, z ∈ C, limΦ tz − t x, y ≤ Φ x, y ; t↓0 1.2 A4 For each x ∈ C, y → Φ x, y ... Therefore, by Lemma 2.3, we have limn → ∞ xn − xn This completes the proof Lemma 3.3 If the following conditions hold: lim λn n→∞ ∞ 0, λn ∞ ∞, n then lim xn − uin n→∞ n for each i Proof For any ... zn − p F p 3.17 for each i 1, 2, , m Note that < γi < for i 1, 2, , m From the assumptions, Lemma 3.2, and the previous inequality, we conclude that uin − xn → as n → ∞ for each i 1, 2,...