List questions from definition

Published on 13 Apr 2026 - 11:18

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How do these definitions of filters coincide?

Published on 10 Apr 2026 - 16:48

200

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Why our "definitions" work so well?

Published on 13 Apr 2026 - 6:51

104

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Suppose $g : U \subseteq \mathbb{R}^m \to M \subseteq \mathbb{R}^k$, and $u \in U$ why does the derivative $dg_u$ extend to all of $\mathbb{R}^m$?

Published on 05 May 2026 - 2:31

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What does Liu mean by "topological open/closed immersion" in his book "Algebraic Geometry and Arithmetic Curves"?

Published on 14 Apr 2026 - 9:37

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what is the difference between derivative and differentiation?

Published on 09 Apr 2026 - 2:33

246

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Meromorphic Functions - Definition Confusion, why is this an equivalence?

Published on 13 Apr 2026 - 9:12

454

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Does a white noise process have constant variance by definition?

Published on 25 Mar 2026 - 14:21

83

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If a derivative is a linear transformation, and for a linear transformation $f$ at $a$, $f'(a) = f(a)$, why doesn't $f''(a) = f'(a)$?

Published on 12 Apr 2026 - 4:31

271

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Definition quadratic variation

Published on 12 Apr 2026 - 7:52

606

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Trying to understand the definition of a free Abelian group.

Published on 09 Apr 2026 - 20:27

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Definition of infinite cyclic subgroup?

Published on 11 Apr 2026 - 21:11

104

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Canonical copies of sets

Published on 15 Apr 2026 - 19:03

77

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a little question about the definition of a group representation

Published on 12 Apr 2026 - 2:42

55

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Definition of obtaining a copy of $l^{\infty}(2)$

Published on 14 Apr 2026 - 9:57

List Question

Definition of spectrum $\sigma(T)$

How do these definitions of filters coincide?

Why our "definitions" work so well?

Suppose $g : U \subseteq \mathbb{R}^m \to M \subseteq \mathbb{R}^k$, and $u \in U$ why does the derivative $dg_u$ extend to all of $\mathbb{R}^m$?

What does Liu mean by "topological open/closed immersion" in his book "Algebraic Geometry and Arithmetic Curves"?

what is the difference between derivative and differentiation?

Meromorphic Functions - Definition Confusion, why is this an equivalence?

Does a white noise process have constant variance by definition?

If a derivative is a linear transformation, and for a linear transformation $f$ at $a$, $f'(a) = f(a)$, why doesn't $f''(a) = f'(a)$?

Definition quadratic variation

Trying to understand the definition of a free Abelian group.

Definition of infinite cyclic subgroup?

Canonical copies of sets

a little question about the definition of a group representation

Definition of obtaining a copy of $l^{\infty}(2)$

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