In this article, I describe generalization activity as an opportunity to learn about seventh graders' understanding of functions. A group of students who had studied functions modeled a multivariable ...

Multivariable Calculus The techniques of 100-level calculus are applied and extended in the study of infinite series, vector-valued functions and functions of two or more variables. Topics include ...

Jim Agler, John E. McCarthy, N. J. Young, Operator monotone functions and Löwner functions of several variables, Annals of Mathematics, Second Series, Vol. 176, No ...