Joanne Jacobs pointed me to this article on something called “ethnomath”: Ethnomathematics has a few parents, but most observers trace its formal birth to a speech given by the Brazilian mathematician Ubiratan D’Ambrosio in the mid-1980’s. Now an emeritus professor of math at the State University of Campinas outside S-o Paulo, he explained his thinking … Continue reading Yo colored-a derivative isn't authentic and true to your culture