Linked Questions

5
votes
1answer
46k views

Best way to typeset the identity operator, or unit? [duplicate]

Possible Duplicate: Blackboard bold characters I have seen the unit (or identity operator) typeset via \newcommand{\unit}{1\!\!1} Is this really the best way to get a double-stroke 1? The ...
14
votes
1answer
23k views

How do I make a blackboard 1? [duplicate]

Possible Duplicate: Blackboard bold characters I want to make a blackboard "1" character to show an indicator variable, but $\mathbb{1}$ doesn't work. How do I do it?
0
votes
1answer
339 views

\mathbb gives strange results when using numbers [duplicate]

LaTeX command \mathbb gives strange results when using numbers. For example, \mathbb{1} prints an unintended symbol. There was a previous question on this topic whose solution involved using the \...
3
votes
0answers
250 views

\mathbb{0} and \mathbb{1} without affecting \mathbb{R} and \mathbb{N} [duplicate]

Possible Duplicate: Blackboard bold characters I want to write the numbers 0 and 1 in mathbb mode (inside some blockmatrices). So far the best way that I found is to use the bbold package. I have ...
4
votes
0answers
85 views

Is there a blackboard version of Omega (the capital letter) [duplicate]

Is there a way to write a blackboard version of the Greek capital letter Omega in LaTeX?
0
votes
0answers
29 views

How to write “conditional one” in Latex [duplicate]

I want to write a "conditional one" in Latex but I don't know the precise name. It is a one with a double vertical dash that is equal to 1 if a condition is satisfied and 0 otherwise (a kind of ...
25
votes
4answers
10k views

Blackboard bold variants for Greek letters

It is common (or it used to be) to use a blackboard-bold variant of \mu to denote roots of unity in some mathematical papers. However, despite searching (several times, periodically over several ...
6
votes
2answers
2k views

What symbol is this?

I need the command to display this symbol in LaTeX or, at least, its name. I guess it’s from some kind of a mathematical or informatics discipline. I saw it in article called “A comparison of ...
12
votes
3answers
3k views

How to use \bigtimes without pain

I've been fighting with mathabx lately and it's not really worth my time, so I tried switching to MnSymbol which also modifies some of my regular symbols. Is the best solution just to make my own ...
3
votes
3answers
9k views

Typesetting the Identity Operator for txfonts

I use the txfonts package in my document for fonts. However, I am at a loss as to how to produce the identity operator, which looks like a blackboard bold 1. Now, \documentclass{article} \...
2
votes
1answer
2k views

Is mathbb an abbreviation for something?

What does mathbb stand for? Is it short for something else? I searched online and couldn't find a definition, only information about usage.
2
votes
1answer
568 views

How to use mathbbol only for greek and lowercase

I would like to use the mathbbol for all blackboard fonts that aren't already contained in the usual \mathbb command: this includes lower case, greek (both lower and upper case) letters, digits, and ...
2
votes
1answer
421 views

Font selection problem

I need a blackboard bold 1. I know the font bbold provides it along with 0, but if I declare the math alphabet via: \DeclareSymbolFond{bbold}{U}{bbold}{m}{n} \DeclareMathAlphabet{\bbold}{bbold} or ...
0
votes
1answer
74 views

Looking for a specific font package (if it exists)

Is there a blackboard bold font package corresponding to the code below? \mathrm{I\!R} \mathrm{I\!N} Hopefully, said package would include a symbol for the integers. I really like how these symbols ...
1
vote
2answers
67 views

czech language with mathrm and mathbb fonts

How do I use fonts \mathrm and \mathbb with czech letters č,ě,š,ř,ž,ý,á,í....? Command Line: bibtex.exe "ideje" [12] [13] [14] [15] [16] [17] Package amsfonts Warning: Obsolete command \frak; \...