7
votes
3answers
459 views

Symbol for “defined to be logically equivalent” (:⇔)

Is there a way to typeset the symbol ":⇔" correctly in LaTeX (i.e. with the right alignment and spacing)? I know that using :\Leftrightarrow or :\Longleftrightarrow gets me the symbol I'm looking for ...
3
votes
1answer
128 views

How to adjust self defined multiple product signs

The latex code below produces multiple product signs: \documentclass{article} \usepackage{amssymb,amsmath,graphicx,color} \newcommand{\invcircledast}{% \mathbin{\vphantom{\circledast}\text{% ...
1
vote
4answers
60 views

Symbol for definition := [duplicate]

Sometimes the symbol := is used to denote a definition. For example, X:=Y+Z means that X is defined to be Y+Z. When using LaTeX, can I just use $:=$, or do I need to do something special?
5
votes
1answer
152 views

Big shuffle symbol?

I am looking for a "big" version (sum-class symbol) of the ш symbol (shuffle product). I only found a binary version. Any ideas?
4
votes
1answer
86 views

Create Pole/Point Integral Symbols

I want to create the following shaped integrals found in the unicode-math package symbols list: I created my own package a while ago for defining some symbols/shortcuts, and I want to recreate ...
2
votes
1answer
69 views

How to use \owedge and \boxwedge

We can use symbols of $\otimes$ and $\boxtimes$, $\oplus$ and $\boxplus$, $\ominus$ and $\boxminus$ in Latex. However, do we have $\owedge$ and $\boxwedge$, which combines $\wedge$ in the mid of a ...
3
votes
3answers
169 views

“Average sum” symbol

Is there a convention for an average sum symbol, for instance \overline{\sum_{i \in I}} to mean \frac{1}{\#I} \sum_{i \in I}? I can live with the overline option but it does not look good in inline ...
4
votes
2answers
119 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
7
votes
3answers
287 views

Designing a new tuple of Algebra Operators

It's neccessary to have at least two extra tuples of Albera Operators. A minimal tuple is a triple (to_be_subset_eq, meet_operator, join_operator). There are some ideas how to make 2 extra tupes. ...
7
votes
1answer
145 views

How to make a command for a circled letter to work with all font sizes?

I introduced the following macros \newcommand{\malcev}{\mathop{\text{\textcircled{\scriptsize M}}}\nolimits} \newcommand{\imalcev}{\mathop{\text{\textcircled{\tiny M}}}\nolimits} The code \[ ...
3
votes
3answers
147 views

Latex command for plus-over-cross

I want to use the symbol 'plus-over-cross' to refer to point in a Matlab generated figure. In LaTex terms this will be an overlay of + over \times. Any ideas? Note that I do not want the asterisk ...
4
votes
1answer
287 views

Typing Following notation in Latex [duplicate]

I need to generate following notation in LaTeX. It's used in differential geometry to denote vector fields. I can't find documentation and detexify is not helpful either.
2
votes
3answers
7k views

latex symbol for “if and only if” [duplicate]

In LaTeX the symbol for material implication is produced by $\to$, but for biconditional ?
7
votes
3answers
147 views

Place symbol inside of \bigsqcup

How can I place a symbol inside of \bigsqcup? What I have tried is this: \newcommand{\concn}{\bigsqcup_{i=1}^n\hspace{-1.07em}\text{\footnotesize $h$\normalsize\hspace{0.6em}}} The problem ist ...
4
votes
4answers
778 views

How to typeset an isomorphism symbol ($\simeq$) with a long bar

Is there any way to typeset in LaTeX a \simeq with a longer bar, or equivalently \stackrel{\sim}{\longrightarrow} without the arrowhead?
3
votes
2answers
355 views

What is the latex code for the symbol “two colons and equals sign”? [duplicate]

I wish to use the symbol as in the following picture, however, I can not find it. Can someone help me?
4
votes
1answer
215 views

How to create the character Д for math mode? [duplicate]

In my research I'm using results of the paper Vinogradov A. M., - The logic algebra for the theory of linear differential operators, - Soviet Math. Dokl., 13 (1972), 1058-1062. The paper uses the ...
1
vote
0answers
53 views

\lesssim (and some others) not working [duplicate]

I'm writing a latex document and trying to use \lesssim (listed for example in here: http://en.wikipedia.org/wiki/Help:Displaying_a_formula#Relations ) in the text like this: $a \lesssim b$. However, ...
3
votes
4answers
316 views

How to create subset with sim symbol

I've been trying to typeset as an operator the symbol ⫇ (\subset on top a \sim), but the following solutions have not been helpful ⫇ does not seem to be listed in symbols-a4.pdf, so detexify does ...
1
vote
1answer
569 views

Changing all the integral symbols from the MnSymbol package, or how to get full math support with Garamond Premier Pro in XeLaTeX?

I'm editing a document in which I chose the Adobe Garamond Premier Pro font as the main font. The only free math font I found that fits with the AGPPro so far is the one from the MnSymbol package. ...
5
votes
1answer
1k views

What is a good method for producing a unary plus/minus sign that always works?

Say I have a macro that does something in math mode (say, change the mathalphabet). This macro, \somecommand, takes one argument. I might want use is like this, feeding an empty argument into it: ...
0
votes
0answers
40 views

how do you write the grad operator? [duplicate]

Possible Duplicate: How to look up a symbol? I can only get \div which is upside down. I tried typing \grad but no luck. Packages I am using: \usepackage[utf8x]{inputenc} ...
13
votes
4answers
595 views

Is there another symbol that is slightly different from \forall (likewise for \exists)?

What Is there a symbol that is slightly different from $\forall$ (e.g. having a second line from upper left to lower middle)? It should obviously mean "for all" but be sufficiently different to not ...
7
votes
2answers
440 views

Log-like operator with math inside (e.g. p-lim)

I am looking to make a log-like operator that looks the same as $p \text{-lim}$. The best way so far I found to do this is \DeclareMathOperator*{\plim}{\text{$p$-lim}} Question: Is this the ...
4
votes
1answer
1k views

Typesetting plus-minus uncertainties with different upper and lower bounds

I'm making a data table and need to include my error bars with my data. $\pm$ works great if the upper and lower bounds are the same, however, several of my data points has a different upper limit ...
16
votes
1answer
604 views

Customized summation symbol

I am interested in defining some customized math symbols out of existing ones. For example I would like to distinguish between different types of sums, so beside the usual symbol I would like to ...
1
vote
1answer
653 views

Is there a symbol for a circled intersection? Like \oplus for the plus sign [duplicate]

Possible Duplicate: How do I put a circle around an operator? Is there a symbol for a circled intersection sign? or an alternative way to render something like in the image below? Something ...
7
votes
1answer
392 views

Making integral ∫ use \limits by default with unicode-math

How can I make the unicode integral symbol ∫ act as if it is followed by \limits? Classically \usepackage[intlimits]{amsmath} would do. But with unicode-math this does not help anymore. I also tried: ...
9
votes
5answers
490 views

Is there a more correct way to show explicit exponential operators?

I typed in this question like this: $\underbrace{\alpha \hat{\phantom{\hat{}}} \alpha \hat{\phantom{\hat{}}} \dots \hat{\phantom{\hat{}}} \alpha}_\text{n times}$ which mathjax prints as I feel ...
7
votes
1answer
149 views

Creating a customizable n-ary operator?

I'd like to be able to create a customizable n-ary operator that behaves like \sum or \bigoplus but which takes an arbitrary symbol as an argument. The closest that I have been able to come to ...
14
votes
4answers
2k views

Spacing between triple vertical lines

I would like to create a norm-like operator with 3 verticals bars instead of two. It has to look like $|||\cdot|||$. I would like to know how to decrease the spacing between the vertical bars such ...
1
vote
2answers
216 views

Designing a new mathematical operator

We all know that \binom{n}{r} in math mode renders the binomial coefficient. For the purposes of a note, I am TeXing up, I am interested in designing a new math operator. Suppose I called that ...
14
votes
1answer
639 views

R-Integral symbol for my notes

I am typing up a set of notes for the Riemann Stieltjes integral. For reasons beyond the scope of the question, I would like to start with defining the Darboux's integral and then formulate Riemann's ...
7
votes
3answers
838 views

The modulo two sum sign in LaTeX

I would like to know how I can obtain the 'modulo two sum' sign (unicode 2A0A i.e., the letter sigma with a circle in its middle). I know I can obtain it by using the unicode-math package. But does ...
16
votes
2answers
3k views

Lower and upper Riemann integrals?

How can I make an integral symbol with a bar above it or a bar below it?
16
votes
1answer
574 views

Load integral sign from eulervm

I want to write a book for university and I want to have the "german" integral symbol in it. I tried using mathabx and wasysym but I don't like them. But I like the integral symbol in eulervm. How do ...
4
votes
1answer
643 views

negated double turnstile

I'm new to the turnstile package, and I'm trying to figure out how to get a negated double turnstile sign, like the one with the regular \nvDash, but that allows me to have arguments above and below ...
12
votes
3answers
2k views

Correct spacing when using \sim as negation

When using \sim as a symbol for negation it gives incorrect spacing and this is clear if the spacing is compared to the spacing of \lnot: How can the spacing be corrected? \documentclass{article} ...
12
votes
2answers
521 views

Symbol for skeptical consequence that matches the turnstile package

This might be seen as a follow up to Symbol for skeptical consequence. From it I got answers so that I could write that B is a skeptical consequence of A such as which Peter Grill's code produces. ...
6
votes
2answers
1k views

How to write larger \natural symbol?

If we want to write big \sum symbol, we can write $\sum\limits_{i=1}^n x_i$. I want to do similar thing for \natural symbol which will be used to denote the boundary connected sum. How can I do ...
7
votes
3answers
596 views

Symbol for skeptical consequence

I'm looking for a symbol for skeptical consequence so that I can write that something, B, is a skeptical consequence of something else, A. In a book I read it's written like \(A \vdash B\) or \(A ...
8
votes
2answers
9k views

Is there a LaTeX symbol for 'order'?

Is there a symbol for order? ...the exponent, ei , is called the order of pi  in a, denoted ordpi (a) = ei .
6
votes
3answers
3k views

XOR and II (concatenation) summation symbols

In Latex, in math mode, if I want to express summation over a range I can use the following expression \sum_{from}^{to}. I can do the same for the product. What is the name of the symbol that does ...
19
votes
3answers
41k views

How to do the 'curvy L' for Lagrangian or Laplace Transforms?

I am new to TeX, working on it for about 2 months. Have not yet figured out how to script the 'curvy L' for Lagrangian and/or for Laplace Transforms. As of now I am using the 'L' - which is not good! ...
2
votes
3answers
5k views

String/vector concatenation symbol

I'm looking for a math symbol to represent the concatenation of two vectors: if x = (x1, x2) and y = (y1, y2) then x ? y = (x1, x2, y1, y2). I'm not very much at home in vector calculus, so I don't ...
56
votes
4answers
57k views

Command for argmin or argmax?

How can you get the argmin or argmax in Latex? Two solutions I found are: \underset{x}{\operatorname{argmax}} \DeclareMathOperator*{\argmin}{arg\,min} Any other ideas? [1] ...
12
votes
5answers
3k views

Define strange operators

I' looking for a symbol rendering the connected sum of $n$ topological spaces (or other quite strange topological operations) in a "product-like" manner... What For example in writing $$ ...
2
votes
1answer
630 views

Custom radical sign with plain XeTeX

I would like to use Cambria Math font in mathematical equation, and I have a simple problem here. plain TeX uses many symbols for the root sign, so it can use the proper one depending on context, ...
17
votes
7answers
8k views

Average integral symbol

Is there in LaTeX a symbol or a macro for the average integral with a horizontal slash? I know about \strokedint, but I'd prefer the dash to be horizontal.