A delayed semi-ratio-dependent predator-prey system in a periodic environment is investigated in this paper. By using a continuation theorem based on Gaines and
Given a simple graph G and a positive integer k,the induced matching k-partition problem asks whether there exists a k-partition (V1,V2,...,Vk) of V(G) such tha
The relationship between Strebel boundary dilatation of a quasisymmetric function h of the unit circle and the dilatation indicated by the change in the modules