In this paper,we study a coupled fourth-order system of Kirchhoff type.Under appropriate hypotheses of Vi(x) for i=1,2,f and g,we obtained two main existence th
In this paper,we introduce a kind of submanifold called translating solitons with density,and obtain two variational formulas for it,and show some geometric qua
This is the third part of a pedagogical introduction to the theory of buildings of Jacques Tits.We describe the construction and properties of the Bruhat-Tits b