Matt N.

15,337 reputation

32270

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Embarked on reading Todorchevich and Farah.

Fundamenta Mathematicae.

Biblioteka Wirtualna Matematyki.

	15,337 reputation	bio	website		visits	member for	2 years, 4 months
32270 badges		location			seen	1 hour ago

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386 Favorites

added views newest activity votes

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805

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What's a good place to learn Lie groups?

mar 10 at 0:17 Alex Youcis 12.4k

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799

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Finding the adjoint of an operator

homework functional-analysis hilbert-spaces

aug 15 at 7:42 t.b. 43.2k

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answers

786

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Homology of the Sphere

general-topology algebraic-topology

jan 24 '11 at 22:42 Joe Johnson 126 5,482

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780

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Where do I start with self learning linear algebra

reference-request linear-algebra

may 16 '12 at 19:47 Amihai Zivan 1,083

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770

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A question about Banach reflexive space

functional-analysis banach-spaces

mar 26 at 8:07 Seirios 8,942

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answer

766

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Probability of exactly R runs of M consecutive success

probability

jan 26 '11 at 4:40 Yuval Filmus 25.9k

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answer

766

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Non-standard models of arithmetic for Dummies

arithmetic model-theory

may 6 '11 at 14:49 Andres Caicedo 24.4k

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748

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Atiyah-Macdonald Exercise 2.20 (tensor products commute with direct limits)

homework commutative-algebra tensor-products

aug 8 at 18:09 Matt N. 15.3k

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748

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For every infinite $S$, $|S|=|S\times S|$ implies the Axiom of choice

set-theory cardinals axiom-of-choice

aug 9 at 17:02 Asaf Karagila 91.6k

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answers

739

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Homeomorphism of the Disk

algebraic-topology

jun 19 '11 at 22:35 Alexander Thumm 3,256

votes

answer

738

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Cohomology of projective plane

algebraic-topology differential-topology cohomology

mar 28 '11 at 17:00 Mariano Suárez-Alvarez♦ 53.4k

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answer

736

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how to show this is a dense set?

real-analysis

apr 25 '12 at 7:12 countinghaus 6,102

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answers

733

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How to show that the set of points of continuity is a $G_{\delta}$

real-analysis

apr 28 '12 at 15:53 user29999 1,755

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answers

721

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About maps between homology groups

algebraic-topology homology

dec 22 '11 at 9:10 Grigory M 7,077

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answer

709

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Complex logic puzzle

logic set-theory

jan 17 '11 at 12:15 Holowitz 1

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answers

705

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Proof of another Hatcher exercise: homotopy equivalence induces bijection

algebraic-topology

mar 23 '11 at 16:18 Matt N. 15.3k

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703

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Difficulty in Mathematical Writing

soft-question proof-writing

dec 30 at 12:29 Matt E 58.2k

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700

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Statistics: Predict 90th percentile with small sample set

statistics

feb 14 '11 at 21:25 Community♦ 1

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694

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Proving that the tensor product is right exact

homework modules homological-algebra tensor-products

jul 26 at 21:02 Matt N. 15.3k

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691

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Measurability of the composition of a measurable map with a surjective map satisfying an expansion condition

homework real-analysis measure-theory

dec 28 '11 at 23:15 t.b. 43.2k

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686

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Axiom of choice - to use or not to use

reference-request axiom-of-choice

aug 6 at 21:35 Pete L. Clark 44.7k

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681

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Guidelines for learning about Ramanujan's work?

soft-question big-list education

mar 4 '12 at 11:53 Dibyajyoti pathak 1

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666

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$T$ is continuous if and only if $\ker T$ is closed

functional-analysis normed-spaces

apr 15 '12 at 18:33 azarel 5,873

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659

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a question related to two competing patterns in coin tossing

probability

feb 2 '11 at 13:52 Did 103k

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657

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Set theory practice problems?

reference-request elementary-set-theory

sep 8 at 19:55 Joshua Rocky Lizardi 51

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654

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Hom is a left-exact functor

abstract-algebra commutative-algebra homological-algebra abelian-categories

jun 3 '12 at 10:05 t.b. 43.2k

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answers

646

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Do trivial homology groups imply contractibility of a compact polyhedron?

algebraic-topology homology

mar 30 '11 at 20:28 Mariano Suárez-Alvarez♦ 53.4k

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answer

641

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Strong and weak convergence in $\ell^1$

functional-analysis convergence banach-spaces lp-spaces weak-convergence

feb 14 at 12:21 Davide Giraudo 56.3k

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641

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Norm for pointwise convergence

real-analysis functional-analysis banach-spaces

jul 7 '11 at 5:35 t.b. 43.2k

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answers

639

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Instructive proofs in functional analysis

analysis functional-analysis fourier-analysis big-list

oct 1 at 8:28 Norbert 20.7k