1. Existence and Uniqueness Flashcards

1
Q

Definition 1.3
A solution to an IVP.

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2
Q

Definition 1.6
Locally Lipschitz.

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3
Q

Theorem 1.7 (Picard’s Theorem for Locally Lipschitz)

Proof.

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4
Q

Proposition 1.8
Suppose f \in C^1(R^n, R^n), then…

Proof.

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5
Q

Definition 1.9
Globally Lipschitz.

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6
Q

Theorem 1.10 (Picard’s Theorem for Globally Lipschitz)

Proof.

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7
Q

Integral form of solution to IVP.

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8
Q

Lemma 1.11
Solutions to IVPs are equivalent to satisfying the integral equation (full statement).

Proof.

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9
Q

Picard Iteration Method

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10
Q

Corollary 1.15 (Solutions Cannot Cross)

Proof.

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11
Q

Corollary 1.17 (Uniqueness on Large Intervals)

Proof.

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12
Q

Definition 1.18
Solution to IVP on interval.

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13
Q

Lemma 1.20 (Gluing Lemma)

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14
Q

Theorem 1.22 (Globally Lipschitz Implies Global Existence)

Proof.

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15
Q

Definition 1.23
The Maximal Interval of Existence.

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16
Q

Theorem 1.26
Maximal Interval of Existence is what?

Proof

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17
Q

Definition 1.27
Neighbourhood and Epsilon-neighbourhood.

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18
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Proposition 1.29
If K \subset R^n is non-empty and compact, and V is a neighbourhood of K, then…

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19
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Lemma 1.30 (Uniform Existence)

Proof.

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20
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Theorem 1.31 (Finite Time Blowup)

Proof.

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21
Q

Lemma 1.33 (Gromwall’s Inequality)

Proof.

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22
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Theorem 1.34 (Continuous Dependence)

Proof.

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