Volume 36 • Number 2 • 2013   • Some New Approach to the Computation for Fixed Point Index and Applications Feng Wang and Fang Zhang Abstract. In this paper, some new methods of computation of a fixed point index for $A$-proper semilinear operators are given. As applications, the existence of positive solutions for nonlinear first order periodic boundary value problem is discussed. 2010 Mathematics Subject Classification: 34B10, 34B15 Full text: PDF