+oslash
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\oslash$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+odot
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\odot$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+amalg
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\amalg$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+uplus
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\uplus$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+setminus
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\setminus$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+sqcap
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\sqcap$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+sqcup
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\sqcup$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+triangleleft
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\triangleleft$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+<row>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+triangleright
+\end_layout
+
+\end_inset
+</cell>
+<cell alignment="center" valignment="top" bottomline="true" leftline="true" rightline="true" usebox="none">
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\triangleright$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+</cell>
+</row>
+</lyxtabular>
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+All binary operators can also be inserted via the math toolbar button
+\begin_inset Info
+type "icon"
+arg "math-insert \\pm"
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+To typeset the Laplace operator,
+
+\series bold
+
+\backslash
+Delta
+\series default
+ or
+\series bold
+
+\backslash
+nabla
+\series default
+^
+\series bold
+2
+\series default
+ (
+\begin_inset Formula $\nabla^{2}$
+\end_inset
+
+) can also be used instead of
+\series bold
+
+\backslash
+bigtriangleup
+\series default
+.
+\end_layout
+
+\begin_layout Standard
+The character
+\family sans
+Menu Separator
+\family default
+ from the menu
+\family sans
+Insert\SpecialChar menuseparator
+Special Character
+\family default
+ is the operator
+\series bold
+
+\backslash
+triangleright
+\series default
+.
+\end_layout
+
+\begin_layout Subsection
+Self-defined Operators
+\begin_inset CommandInset label
+LatexCommand label
+name "subsec:Self-defined-Operators"
+
+\end_inset
+
+
+\begin_inset Index idx
+range none
+pageformat default
+status collapsed
+
+\begin_layout Plain Layout
+Operators
+\begin_inset IndexMacro subentry
+status open
+
+\begin_layout Plain Layout
+self-defined
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+With the help of the command
+\series bold
+
+\backslash
+DeclareMathOperator
+\series default
+
+\begin_inset Index idx
+range none
+pageformat default
+status collapsed
+
+\begin_layout Plain Layout
+Commands
+\begin_inset IndexMacro subentry
+status open
+
+\begin_layout Plain Layout
+D
+\end_layout
+
+\end_inset
+
+
+\begin_inset IndexMacro subentry
+status open
+
+\begin_layout Plain Layout
+\begin_inset IndexMacro sortkey
+status open
+
+\begin_layout Plain Layout
+
+\backslash
+dbinom
+\end_layout
+
+\end_inset
+
+
+\backslash
+DeclareMathOperator
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+,
+ custom operators can be defined in the \SpecialChar LaTeX
+-preamble.
+ Its command scheme is:
+\end_layout
+
+\begin_layout Standard
+
+\series bold
+
+\backslash
+DeclareMathOperator{new command}{display}
+\end_layout
+
+\begin_layout Standard
+Display can be characters or symbols that define how the operator looks in the output.
+ To define a big operator a * is set behind the command.
+ All self-defined big operators can have limits as described in
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:Operator-Limits"
+nolink "false"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+For example the \SpecialChar LaTeX
+-preamble line
+\end_layout
+
+\begin_layout Standard
+
+\series bold
+
+\backslash
+DeclareMathOperator*{