Borel Sum
The Borel sum of Grandi's series is again 1⁄2, since
and
The series can also be summed by generalized (B, r) methods.
Read more about this topic: Summation Of Grandi's Series
Famous quotes containing the word sum:
“[M]y conception of liberty does not permit an individual citizen or a group of citizens to commit acts of depredation against nature in such a way as to harm their neighbors and especially to harm the future generations of Americans. If many years ago we had had the necessary knowledge, and especially the necessary willingness on the part of the Federal Government, we would have saved a sum, a sum of money which has cost the taxpayers of America two billion dollars.”
—Franklin D. Roosevelt (1882–1945)