Several Real Variables

The author is an expert in Spectral Theory and semigroups of operators, researching in this area for 50 years, publishing numerous papers and three monographs.

• Continuity.- Derivation.- Implicit Functions.- Integration.- Solutions.

"Kantorovitz's work is derived from a fourth semester course in mathematics. ... this text will be appropriate for potential mathematics majors. ... This title offers mature coverage of the subject area, along with a diverse viewpoint of advanced undergraduate mathematics for the serious student. Summing Up: Recommended. Lower- and upper-division undergraduates." (D. Z. Spicer, Choice, Vol. 54 (3), November, 2016)