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Algorithms and Data Structures With Applications to Graphics and Geometry, 2011a

Algorithms and Data Structures With Applications to Graphics and Geometry, 2011a

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<br />

<br />

double rotation<br />

c<br />

b<br />

a<br />

a c<br />

b<br />

W<br />

Z W X Y Z<br />

X Y


⎣ ⎦


Θ (ν •λογ ν)



λ <br />

λ λ



δ <br />

δ<br />

<br />

<br />

<br />

δ


λ


λ<br />

λ λ<br />

λ<br />

<br />

λ λ <br />

λ <br />

<br />

<br />

<br />

<br />

<br />

λμμ<br />

λμλ


λ<br />

λ<br />

<br />

<br />

<br />

<br />

λ <br />

λ


⇔ ∈<br />

<br />

<br />

<br />

<br />

<br />


Γ<br />

<br />

∈ Γ∈ <br />

∈ Γ<br />

Γ


∈ Γ ∈



αα <br />

π


∈ <br />

<br />

<br />


∈ <br />

∈ Θαα<br />

<br />

α


≤ <br />

≤ ≤ ≤ <br />

≤ ≤ <br />

≤ ≤ <br />

<br />

<br />

<br />

<br />

<br />

<br />


α<br />

α<br />

α<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

Ω<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

π<br />

<br />

<br />

<br />

<br />

<br />

Θ


Ω<br />

Θ


Θ


∈ Θ <br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />



Θ <br />

<br />

<br />

<br />

<br />

<br />


δ <br />

<br />

<br />

<br />

<br />

<br />

<br />

Ω<br />

<br />

<br />

<br />

<br />

<br />

Θ


δ <br />

<br />

<br />

δ. <br />

<br />

δ<br />

<br />

δ <br />

<br />

<br />

<br />

<br />

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<br />

δ <br />

δ<br />

δ <br />

δ


δ


δ<br />

δ δ<br />

δ <br />

<br />

δ<br />

<br />

<br />

<br />

<br />

<br />

δ


δ δδ<br />

δ <br />

<br />

δ <br />

<br />

<br />

Ω<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

δ<br />

δ <br />

δδ<br />

δ<br />

<br />

δ<br />

<br />

δ


δ<br />

δ<br />

δ <br />

<br />

δδ δ <br />

<br />

<br />

<br />

<br />

<br />

δ <br />

δ<br />

δ<br />

δδ

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