supported by the National Natural Science Foundation of China(11171088);the Natural Science Foundation of Hebei Province(A2013208108);the Foundation of Hebei University of Science and Technology(XI2013060)
By the fxed point index theory, the existence of one, two and three positive solutions to(k, n-k) conjugate boundary value problems is obtained, where n > 2, 1 ≤ k ≤ n-1, the nonlinear term may be noncontinuous a...
Supported by the National Natural Science Foundation of China(10901045,11171088);Supported by the NSF of Hebei Province(A2010000828);Supported by the SF of Hebei University of Science and Technology(QD200955)
An interior point of a finite planar point set is a point of the set that is not on the boundary of the convex hull of the set. For any integer k ≥ 1, let h(κ) be the smallest integer such that every set of points...