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Existence and stability of infinite time blow-up in the Keller-Segel system

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Academic year: 2021

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graphic projection Π(y 1 , y 2 , y 3 ) =  y 1 1 − y 3 , y 21 − y 3  . For ϕ : R 2 → R we write ˜ ϕ = ϕ ◦ Π, ϕ : S˜ 2 \ {(0, 01)} → R

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