Fiktor

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Name	Fiktor
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Location	Saint-Petersburg, Russia
Age	27

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Representation of vectors in $\mathbb{R}^2$ via differences of small vectors.

oct 7 10 at 15:23 André Henriques 15.3k●2●30●85

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694

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Which rights do mathematicians usually have on their published works and how do they use them?

writing soft-question journals publishing

oct 14 10 at 17:11 Sam Nead 5,637●12●27

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answers

409

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In which commutative algebras does any derivation possess a flow?

dg.differential-geometry ac.commutative-algebra ag.algebraic-geometry differential-equations

sep 24 10 at 12:59 Tom Goodwillie 27k●2●62●111

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544

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Does every vector bundle allow a finite trivialization cover?

at.algebraic-topology vector-bundles smooth-manifolds manifolds differential-topology

apr 19 12 at 14:11 Renato G Bettiol 2,070●6●12

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784

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What is the best known estimate for the place of the prime gap with length 1.609*10^18?

prime-numbers nt.number-theory

feb 8 11 at 13:04 Johan Andersson 2,003●9●16

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444

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The main ideas in choosing the strategy for numbering displayed math

soft-question writing journals publishing

oct 15 10 at 10:45 Fiktor 703●3●11

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240

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Does there exist any massive proper $C^*$-subalgebra?

noncommutative-algebra oa.operator-algebras banach-algebras ct.category-theory

oct 15 10 at 17:52 Fiktor 703●3●11

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579

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Set of invertible operators in B(H) is connected. Is it true? Is there a reference?

fa.functional-analysis hilbert-spaces reference-request banach-algebras noncommutative-algebra

may 1 11 at 16:40 Alain Valette 6,469●14●26

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answer

403

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methods for interpolating a function, holomorphic in the upper halfplane

cv.complex-variables complex-analysis approximation-theory reference-request oc.optimization-control

oct 19 10 at 12:37 Fiktor 703●3●11

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453

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Every real-valued continuous function on a closed set of compact Hausdorff space has an extension.

gn.general-topology reference-request

oct 27 10 at 8:00 Pietro Majer 19.8k●1●25●70

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Do there exist associative sudoku squares?

A random walk on random lines

When do functions near F have zeros near a zero of F?

Given a graph embedded on a torus, how many edges are necessary for noncontractible loops to be long?

Is there an extension of the Arzela-Ascoli theorem to spaces of discontinuous functions?

Edge probability of random graph with prescribed degree sequence

Identifying a sequence of polynomials

Counting subgraphs of bipartite graphs

What the the probability distribution of a mean?

Does a quantitative version of Fredholm theory exist?

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Questions

Representation of vectors in $\mathbb{R}^2$ via differences of small vectors.

Which rights do mathematicians usually have on their published works and how do they use them?

In which commutative algebras does any derivation possess a flow?

Does every vector bundle allow a finite trivialization cover?

What is the best known estimate for the place of the prime gap with length 1.609*10^18?

The main ideas in choosing the strategy for numbering displayed math

Does there exist any massive proper $C^*$-subalgebra?

Set of invertible operators in B(H) is connected. Is it true? Is there a reference?

methods for interpolating a function, holomorphic in the upper halfplane

Every real-valued continuous function on a closed set of compact Hausdorff space has an extension.

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