Short Exact Sequences

Famous quotes containing the words short and/or exact:

“Baptiste knew how to make a short job long
For love of it, and yet not waste time either.”
—Robert Frost (1874–1963)

“If we define a sign as an exact reference, it must include symbol because a symbol is an exact reference too. The difference seems to be that a sign is an exact reference to something definite and a symbol an exact reference to something indefinite.”
—William York Tindall (1903–1981)