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References to 'triangular matrix'
1. an example for Schur decomposition by georgiosl
2. BN-pair by tedgar
3. Borel subgroup by CWoo
4. Bruhat decomposition by nerdy2
5. characteristic matrix of diagonal element cross-section by lars_h
6. Cholesky decomposition by gufotta
7. commuting matrices are simultaneously triangularizable by georgiosl
8. corollary of Schur decomposition by Daume
9. determinant by rmilson
10. determining rank of matrix by Algeboy
11. diagonal matrix by rspuzio
12. eigenvalue problem by archibal
13. enumerating graphs by Algeboy
14. examples of rings by matte
15. Givens rotation by akrowne
16. Householder transformation by mathcam
17. If $A \in M_n(R)$ and $A$ is supertriangular then $A^n=0$ by Daume
18. lecture notes on determinants by rmilson
19. lecture notes on the Cayley-Hamilton theorem by rmilson
20. Lie's theorem by bwebste
21. M-matrix by kshum
22. matrices of special form by matte
23. matrix factorization by mathcam
24. Nagao's theorem by bwebste
25. nichols-zoeller theorem by joking
26. nilpotent matrix by jgade
27. normal equations by akrowne
28. polynomial identity algebra by CWoo
29. proof of generalized Ruiz's identity by GeraW
30. proof of Schur's inequality by Andrea Ambrosio
31. proof of theorem for normal matrices by Andrea Ambrosio
32. proof that $\det e^A = e^{\operatorname{tr}A}$ by cvalente
33. QR decomposition by akrowne
34. reducible matrix by Mathprof
35. Schur complement by georgiosl
36. simultaneous block-diagonalization of upper triangular commuting matrices by lars_h
37. simultaneous triangularisation of commuting matrices over any field by lars_h
38. simultaneous upper triangular block-diagonalization of commuting matrices by lars_h
39. strictly upper triangular matrix by Daume
40. theorem for normal triangular matrices by Mathprof
41. theory from orders of classical groups by Algeboy
42. unit triangular matrix by Daume