Appendix A. Obtaining an expression for average fitness under unconstrained population growth. A mathematical appendix showing how the integrals in the full expression of Eq. 14 (for density independent population growth) can be replaced by closed forms.

Obtaining an expression for average fitness under unconstrained population growth. A mathematical appendix showing how the integrals in the full expression of Eq. 14 (for density independent population growth) can be replaced by closed forms.