# Tagged Questions

{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.

565 views

### Nested Summation

Using below code i am getting result shown in below image but its not properly displayed for ex space on either side of =. First summation sign is small. Brackets ( ) are small. All items are not ...
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### Symbol inbetween “#” and “ff”

I wondered how to create a symbol that looks like "#" (for connected sum) and "ff" for "fiber". The size and angles should be like the "#", but the vertical bars should look like two fs. Another way ...
2k views

### \wedge and \vee juxtaposed in one symbol

How can I combine the symbols \wedge and \vee into one symbol, like \wedge\vee and \vee\wedge? I am thinking of something like \gtrless but rotated by 90 degrees. The purpose is similar to the \pm ...
231 views

### \scriptstyle placement fine tuning

I need a functional composition operator. I find \circ too big for it, so I've declared a math operator (within the amsart documentclass) as \scriptstyle\circ instead; the size is exactly what I would ...
74 views

### Hyperbolic functions both produce error and result already existant when inserted in preamble

I'm trying to write hyperbolic functions like sech, csch, etc, Since amsmath doesn't recognize them in the form \sech, \csch, ... I wrote a preamble like \DeclareMathOperator{\sech}{sech} but I get ...
811 views

### Undefined control sequence for beta symbol list

I am new to Latex, please help me! I would like to give a beta symbol with a sequence of values as below. \boldsymbol{\beta} = (\beta_1,\beta_2,\dotsc,\beta_n) output looks promising. β = (β1, β2,...
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### cup with a dot in it - but in mathjax! [closed]

Looking for solutions I have found that there are 3 ways, all can be found here Is a cupdot symbol available in amsmath? It seems that those answers are just copied and pasted all over the internet ...
2k views

### A hack for getting a *capital* Weierstrass P in order to represent the Power Set operation [closed]

I've been reading around stack exchange trying to find out how to get the symbol I wanted for the power set operation in set theory. In my opinion, the best and most standard symbol for this is the ...
176 views

### Write text (or symbol) vertically below another symbol in latex

I have to write some equations in latex, my Latex equation: \begin{align} G _{a_{1},\ldots ,a_{k}}\ast_{b_{1},\ldots ,b_{k}} G^{\prime }=G^{\prime \prime } \end{align} How can I make the text ...
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### For Hom and H*(X,Z) — which fonts? [closed]

This is a question about style, I am debating whether the math operator \Hom should be just \DeclareMathOperator{\Hom}{Hom} or if it should be some variant like \DeclareMathOperator{\Hom}{\...
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### Operator with both arguments and limits

I'd like to define a command \E that can be used precisely as follows: it should translate \E{f(x)} \E_x{f(x)} into \mathbb{E}(f(x)) \mathbb{E}_x(f(x)) respectively. Specifically, the goal is to ...
406 views

### Large Blackboard bold R operator with text underneath

How do I typeset a large blackboard bold R (size of a \sum symbol) as an operator in an equation? See image. I can get the text to display underneath with \mathop{}, but I can't make the R big. \...
831 views

### How to Obtain a Bold Upright Integral Sign?

Having searched around I couldn't find a package that could produce the following integral sign. How do I produce this bold looking vertical symbol? Xe-/LuaTeX are totally fine with me. \...
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### Limits position of new defined large operators

It is possible to introduce new large operators by using the command, \DeclareMathSymbol {⟨symbol⟩} {\mathop} {⟨sym-font⟩} {⟨slot⟩} I wonder if it is possible to change their default limits ...
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### Float addition operator in LaTeX?

I need to get the +. sign (see the OCaml float addition operator) in LaTeX. However, when I try: *$\mid h :: t \-> h +. sumList(t)$ \\** The output is as follows: How can I make sure that ...
1k views

### Smashoperator for the vertical space?

I would like to vertically smash a summation sign in a way that the line has a vertical space as if the summation sign wouldn't be there. To illustrate it please see the MWE. The space between the ...
202 views

### Hyphen separating symbols, without intervening spaces

What's the easiest/least ugly way to avoid the spaces around the hyphen in the following macro? \documentclass{article} \newcommand{\nuSwap}{\nu-\textsf{swap}} \begin{document} I get $\nuSwap$, ...
942 views

### Circled equal with same size as \oplus/\otimes with pdflatex

My question I am trying to make an equal circled of the same size as \oplus or \otimes, etc. I tried to use the solution provided here : How do I put a circle around an operator? However, the ...
458 views

### Short line in math expression?

I have a mathematical terminology, and I can not do it correctly using LaTex. The origin form is in picture below: My version is: The main problem is the line between a number and the word ...