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Morse Theory & Topology
Surface
Torus (χ = 0)
Sphere (χ = 2)
Double Torus (χ = −2)
Monkey Saddle
Height level:
0.50
Rotation:
0
● Minima:
?
● Saddles:
?
● Maxima:
?
χ = min − sad + max =
?
Level set at h =
?
Handle type attached:
—
Drag to rotate view