Coarse functions are functions whose graphs appear to be continuous at a distance, but in fact may not be continuous. In this paper we explore examples and properties of coarse functions. We then generalize several basic theorems of continuous functions which apply to coarse functions.
Denise M. Halverson, Mathematics Department, Brigham Young Universitydeniseh@math.byu.edu
Duke, Jared and Lee, Chul-Woo
"Course Function Value Theorems,"
Rose-Hulman Undergraduate Mathematics Journal: Vol. 8
, Article 4.
Available at: http://scholar.rose-hulman.edu/rhumj/vol8/iss2/4