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avs
  • Member for 7 years, 10 months
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4 votes
0 answers
104 views

Calculating (the orbits under the action of) the group generated by two 1-parameter subgroups acting on a Euclidean space: is there a method?

2 votes
1 answer
104 views

Is the subset $\{ f : f \in L^2[0,1], ||f||_{\infty} \leq 1\}$ of $L^2[0, 1]$ a Hilbert manifold in the latter Lebesgue space?

2 votes
0 answers
70 views

Are we guaranteed a Lie group by taking the algebraic closure of finitely many one-parameter groups acting (each periodically) on a Euclidean space?

2 votes
0 answers
38 views

Integer points in a closed polyhedron nearest an extreme point

1 vote
0 answers
34 views

Integer lattice points in a closed convex polyhedron and close to the polyhedron's extreme points

1 vote
0 answers
29 views

Subsets of a torus that are attainable from a given point by a given distribution (in the differentio-geometric sense)

1 vote
1 answer
64 views

Looking for an example, in a topological vector space, of a convex body with an empty interior

1 vote
0 answers
106 views

Diophantine approximations with the same denominator for a set of numbers

1 vote
1 answer
50 views

How is the Lie algebra $\mathfrak{sl}_{2}(\mathbb{C})$ generated by the one element $(E_{11} - E_{22})$?

1 vote
0 answers
95 views

Does the Nagano-Sussmann orbit theorem--typically stated for real manifolds, as it is used in optimal control--continue to hold for complex manifolds?

1 vote
1 answer
242 views

Do we define the rank of a Lie algebra by using the geometric multiplicity of the zero eigenvalues of the adjoint representation?

1 vote
0 answers
100 views

Reachable set of finitely many known one-parameter groups acting on an Hermitian space

0 votes
1 answer
239 views

Computational procedure to find the basis of a Lie algebra generated by a finite collection of operators

0 votes
2 answers
31 views

Is there a term for a path in an undirected graph with: (1) the end vertices having degrees $\neq 2$, (2) the other vertices (if any) having degree 2?

0 votes
1 answer
224 views

What does "stationary system" mean in the assumptions for Little's Law?

0 votes
0 answers
33 views

Is there an established standard term for the concept described in the details?

0 votes
0 answers
49 views

An elegant way to verify the convexity of a spline with certain boundary conditions