Let Bn be the unit ball in Cn, we study quasi-convex mappings and starlike mappings on Bn. The upper bounds of second order item coefficients ofr quasi-convex m
The famous conjecture in distribution of prime numbers remains unsolved whether there exists a constant inequality of “π(x+y)≤π(x)+π(y)” for all integers
Using the second Green formula, the boundary problem of Laplace equation satisfied by potential function of static electric field is transformed to the problem