By using the fixed point theorem under the case structure, we study the existence of sign-changing solutions of A class of second-order differential equations t
Given two left Oc-analytic functions f, g in some open set Ω of R8, we obtain some sufficient conditions for fg is also left Oc-analytic in Ω. Moreover, we pr
I show how many connections of Γ?are presently existing from R?to β?as they are being inputted simultaneously through tensor products. I plan to addre