P^2+Σ2P
Blog about infinite pattern
2018年5月9日水曜日
Tropical Geometry
What is
tropical geometry
?
EX1.
K is algebraic closure, and V is closed manifold.
This is the tropical manifold.
EX2.
6x^2→2x+1, 5xy→x+y, 10y^2→2y+1, 3x→x, -y→ y, 4→2
2018年5月7日月曜日
Homological algebra for abelian categories
This is the development of a cohomological theory. You may call it tropical geometry.
EX.
You see P^3→P^2, so
this seems to be fractal
.
Bmod is the replacement for the category of abelian groups.
For all a, b in A, a • b = b • a
C admits equalizers Equ and coequalizers Coequ.
This is the natural morphism.
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