maxima and minima

If a function is continuous on a closed interval, then by the extreme value theorem global maxima and minima exist.

Instead eccentricity modulates the amplitude of the insolation maxima and minima that occur due to the precession cycle.

He supervised the publication in London of Ramchundra's book on "Maxima and Minima" in 1859.

His book, Treatise on Problems of Maxima and Minima, was promoted by the prominent mathematician Augustus De Morgan.

Maxima and Minima From MathWorld--A Wolfram Web Resource.