K.T.

The collected papers of Raoul Bott are contained in four volumes, with each volume covering a different subject and representing approximately a decade of Bott's work. This volume covers differential operators and represents the 1960s. Other volumes are: Volume One - "Topology and Lie Groups" (1950s); Volume Three - "Foliations" (1970s); and Volume Four - "Mathematics Related to Physics" (1980s).