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Tadashi
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9 votes
1 answer
915 views

Convexity of the product of two exponential matrices

7 votes
1 answer
357 views

Non-negativity of invariant polynomials

7 votes
1 answer
267 views

Which known theorems of Lie algebras are still valid for Leibniz algebras?

5 votes
0 answers
355 views

A question about Carleman linearization

3 votes
2 answers
1k views

Why the 'S' in S-procedure/S-lemma?

3 votes
1 answer
250 views

Tropical polynomial Positivstellensatz

3 votes
1 answer
281 views

Handelman's positivstellensatz for symmetric matrix-valued polynomials

3 votes
1 answer
278 views

On Wazewski's theorem on system of differential inequalities

2 votes
0 answers
68 views

Tight upper bound for the degree of the entries of adjugate of polynomial matrix

1 vote
0 answers
25 views

Convergence of a sequence of minima of a family of optimal control problems

0 votes
1 answer
274 views

Quadratic stability of linear time varying system

0 votes
0 answers
478 views

Composition of upper semi-continuous real valued function with upper semi-continuous matrix valued function

0 votes
1 answer
92 views

Can time-scale calculus be used to derive a counterpart theorem of discrete-time dynamic systems directly from continuos-time dynamics systems?

0 votes
0 answers
223 views

Fundamental theorem of algebra for sedenions