Having a positive mindset in math may do more than just help students feel more confident about their skills and more willing to keep trying when they fail; it may prime their brains to think better.

Carpathian Journal of Mathematics, Vol. 24, No. 3, SPECIAL ISSUE INCLUDING SELECTED PAPAERS PRESENTED TO ICAM 6 (6th International Conference on Applied Mathematics) Baia Mare, 18-21 September 2008 ...

In this paper we investigate the existence of positive solutions of the q-difference equation $-D_{q}^{2}u(t)=a(t)f(u(t))$ with some boundary conditions by applying a fixed point theorem in cones.