Update

snippets/latex-mode/Basic template

@@ -1,4 +1,4 @@
-# key: template
+# key: templatee
 # name: Basic template
 # group: skeleton
 # --

snippets/latex-mode/Display Math

@@ -3,4 +3,5 @@
 # condition: (and (not (texmathp)) (quote auto))
 # group: math
 # --
-\[ `(save-excursion (previous-line)(make-string (current-indentation) ?\s))`$0 \]
+
+\[ $0 \]

snippets/latex-mode/begin

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# key : beg
+# name : \begin{} ... \end{}
+# --
+\begin{${1:$$(yas-choose-value (mapcar 'car LaTeX-environment-list))}}
+  $0
+\end{$1}

snippets/latex-mode/cdot

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: cdot
+# key: c.
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\\cdot

snippets/latex-mode/cdots

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: cdots
+# key: \cdot.
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\\cdots

snippets/latex-mode/cong

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: cong
+# key: ~=
+# condition: (and (texmathp) 'auto)
+# group: math
+# --
+\\cong

snippets/latex-mode/defined as

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: defined as
+# key: :=
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\coloneqq

snippets/latex-mode/deg

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: deg
+# key: deg
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\\deg

snippets/latex-mode/iff

@@ -0,0 +1,6 @@
+# -*- mode: snippet -*-
+# name: iff
+# key:  iff
+# group: text
+# --
+if and only if 

snippets/latex-mode/infinity

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: infinity
+# key: oo
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\infty

snippets/latex-mode/ker

@@ -1,5 +1,5 @@
 # -*- mode: snippet -*-
-# name: arctan
+# name: ker
 # key: ker
 # group: math
 # condition: (and (texmathp) 'auto)

snippets/latex-mode/lrangle

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: \left\langle ... \right\rangle
+# key: lra
+# condition: (and (texmathp) 'auto)
+# group: math
+# --
+\\left\\langle $1 \\right\\rangle$0

snippets/latex-mode/mapsto

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: mapsto
+# key: mto
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\\mapsto

snippets/latex-mode/not equal

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
 # name: not equal
-# key: neq
+# key: !=
 # condition: (and (texmathp) 'auto)
 # group: math
 # --

snippets/latex-mode/set

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
 # name: set
-# key: set
+# key: sett
 # condition: (and (texmathp) 'auto)
 # group: math
 # --

snippets/latex-mode/setminus

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: setminus
+# key: set-
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\setminus

snippets/latex-mode/star

@@ -1,6 +1,6 @@
 # -*- mode: snippet -*-
 # name: star
-# key: star
+# key: **
 # group: math
 # condition: (and (texmathp) 'auto)
 # --

snippets/latex-mode/subseteq

@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: subseteq
+# key: \subset=
+# group: math
+# condition: (and (texmathp) 'auto)
+# --
+\subseteq 

snippets/latex-mode/sum.yasnippet

@@ -3,5 +3,6 @@
 # key: sum
 # group: math
 # name: \sum_{n}^{}
+# condition: (and (texmathp) 'auto)
 # --
 \sum_{$1}^{$2}$0

snippets/latex-mode/template

@@ -0,0 +1,24 @@
+# -*- mode: snippet -*-
+# name: template
+# key: template
+# --
+\documentclass[12pt]{/Users/zelongk/Documents/latex/elegantbook}
+
+\title{$1}
+
+\author{`user-full-name`}
+\institute{Whichever-you-like university}
+
+\date{\today}
+
+\begin{document}
+\maketitle
+% logo
+% \centerline{\includegraphics[width=0.2\textwidth]{logo-blue}}
+
+\newpage
+\tableofcontents
+
+$0
+
+\end{document}