An inconsistency between facts or sentiments.
The state or quality of being discrepant.
The degree to which two or more things diverge.
The process in which two or more populations accumulate genetic changes (mutations) through time.
the operator which maps a function F=(F₁, ... Fₙ) from a n-dimensional vector space to itself to the function ∑ᵢ₌₁ⁿ(∂F_i)/(∂x_i)