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Arnold's Trivium
1991 Arnold's Trivium
45
45
Part of
1991 Arnold's Trivium
Problems
(1)
Problem 45
Source:
7/1/2010
Find the self-intersection index of the surface
x
4
+
y
4
=
1
x^4+y^4=1
x
4
+
y
4
=
1
in the projective plane
CP
2
\text{CP}^2
CP
2
.
algebra
polynomial
projective geometry