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strict-flower

commutative.latex

Jun 18th, 2020
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Latex 0.48 KB | None | 0 0
  1. \documentclass{article}
  2. \usepackage{amsmath}
  3. \usepackage{amsfonts}
  4. \usepackage{amssymb}
  5. \usepackage[all]{xy}
  6. \usepackage[dvipdfmx]{graphicx}
  7. \def\x1xn{x_1, x_2, \dotsc, x_n}
  8. \begin{document}
  9.  
  10. \[
  11. \xymatrix@M=8pt{
  12. R \ar@{^{(}->}[r] \ar@{^{(}->}[d] & R\lbrack\x1xn\rbrack \ar@{^{(}->}[r] \ar@{^{(}->}[d] \ar@{^{(}->}[rd]^\phi & R(\x1xn) \ar[d]^{\rotatebox{90}{$\sim$}}_{\psi}\\
  13. K \ar@{^{(}->}[r] & K\lbrack\x1xn\rbrack \ar@{^{(}->}[r] & K(\x1xn)\newline
  14. }
  15. \]
  16.  
  17. \end{document}
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