deletions | additions       diff --git a/In_cylindrical_coord.tex b/In_cylindrical_coord.tex  deleted file mode 100644  index b092756..0000000  --- a/In_cylindrical_coord.tex  +++ /dev/null 
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In cylindrical coordinates $[q, \phi, z ]$, the four-metric  becomes:  diff --git a/layout.md b/layout.md  index c916299..7b3eb73 100644  --- a/layout.md  +++ b/layout.md 
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brace_R_ij__mboxdiag.tex  This_yields_a_3Ricci.tex  brace_ds2__.tex  In_cylindrical_coord.tex  In_Cartesian_coordin.tex  brace_ds2__left.tex  In_Cartesian_coordin.tex