List questions from canonical-transformation

Published on 10 Apr 2026 - 15:55

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Some sort of rank-aware determinant? Would it be useful?

Published on 15 Apr 2026 - 22:21

39

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Block eigenvalue decompositions with strictly positive elements.

Published on 15 Apr 2026 - 16:27

31

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For $A$ in rational canonical form, find $B$ with $AB=BA$ but for which $B \notin Span\{ A^i \mid 0\leq i \leq n-1\}$

Published on 15 Apr 2026 - 10:16

94

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Change of Variables - Writing the PDE in form of the new variables

Published on 15 Apr 2026 - 1:28

76

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2nd order pde in canonical form

Published on 15 Apr 2026 - 18:42

100

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Canonical Isomorphisms

Published on 14 Apr 2026 - 7:59

45

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Can a $2D$ canonical transformation also be holomorphic?

Published on 11 Apr 2026 - 3:18

65

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Two sets of matrix conditions. Are they equivalent?

Published on 12 Apr 2026 - 8:26

66

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How do you determine all possible Jordan Canonical forms of a matrix given its eigenvalues and their algebraic multiplicities

Published on 13 Apr 2026 - 0:55

49

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Seeking Left $SL(n, \mathbb{R})$-Invariant Canonicalization for Full-Rank Square Matrices

Published on 15 Apr 2026 - 23:53

59

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Canonical transformation for hamiltonian system possessing first integral

Published on 25 Mar 2026 - 9:25

60

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If $V\cong X$ and $W\cong Y$, then $V\otimes W\cong X\otimes Y$?

Published on 10 Apr 2026 - 17:40

39

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Turn two ODEs first degree into a Hamiltonian with code

Published on 25 Mar 2026 - 10:52

26

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transform the equation in the respective region to canonical form: $u_{xx} + u_{xy} - xu_{yy} = 0$

Published on 14 Apr 2026 - 16:32

List Question

Find an integer quartic root of a $3\times 3$ matrix

Some sort of rank-aware determinant? Would it be useful?

Block eigenvalue decompositions with strictly positive elements.

For $A$ in rational canonical form, find $B$ with $AB=BA$ but for which $B \notin Span\{ A^i \mid 0\leq i \leq n-1\}$

Change of Variables - Writing the PDE in form of the new variables

2nd order pde in canonical form

Canonical Isomorphisms

Can a $2D$ canonical transformation also be holomorphic?

Two sets of matrix conditions. Are they equivalent?

How do you determine all possible Jordan Canonical forms of a matrix given its eigenvalues and their algebraic multiplicities

Seeking Left $SL(n, \mathbb{R})$-Invariant Canonicalization for Full-Rank Square Matrices

Canonical transformation for hamiltonian system possessing first integral

If $V\cong X$ and $W\cong Y$, then $V\otimes W\cong X\otimes Y$?

Turn two ODEs first degree into a Hamiltonian with code

transform the equation in the respective region to canonical form: $u_{xx} + u_{xy} - xu_{yy} = 0$

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