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Arnold's Trivium
1991 Arnold's Trivium
45
Problem 45
Problem 45
Source:
July 1, 2010
algebra
polynomial
projective geometry
Problem Statement
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
.
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