How to add a superscript in text mode

I'm writing about C* algebras and I'm trying to write *-strings efficiently. I managed to define C^* like this:

newcommand{Cstar}{Ctextsuperscript{*}}

While I have to invoke it as Cstar{} to prevent it from sticking to the next word, I have had trouble writing a command to add * to any word (such as morphism or isometry). I tried doing this:

newcommand{star}[1]{#1textsuperscript{*}}

without luck.
Is this possible, and should I be doing this with LaTex, or is it something I should be doing with my editor's macros?

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

Welcome to TeX.SX! Note that it is usually best practice here to include a small example document that does only include the bare necessities to show what you're trying so far (e.g. documentclass{article}newcommandstar[1]{#1textsuperscript{*}}begin{document}star{Foo}end{document} would suffice here).

– Skillmon
8 hours ago

1

The command star is already defined in LaTeX. You can try Star instead.

– Phelype Oleinik
8 hours ago

add a comment |

I'm writing about C* algebras and I'm trying to write *-strings efficiently. I managed to define C^* like this:

newcommand{Cstar}{Ctextsuperscript{*}}

While I have to invoke it as Cstar{} to prevent it from sticking to the next word, I have had trouble writing a command to add * to any word (such as morphism or isometry). I tried doing this:

newcommand{star}[1]{#1textsuperscript{*}}

without luck.
Is this possible, and should I be doing this with LaTex, or is it something I should be doing with my editor's macros?

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

Welcome to TeX.SX! Note that it is usually best practice here to include a small example document that does only include the bare necessities to show what you're trying so far (e.g. documentclass{article}newcommandstar[1]{#1textsuperscript{*}}begin{document}star{Foo}end{document} would suffice here).

– Skillmon
8 hours ago

1

The command star is already defined in LaTeX. You can try Star instead.

– Phelype Oleinik
8 hours ago

add a comment |

I'm writing about C* algebras and I'm trying to write *-strings efficiently. I managed to define C^* like this:

newcommand{Cstar}{Ctextsuperscript{*}}

While I have to invoke it as Cstar{} to prevent it from sticking to the next word, I have had trouble writing a command to add * to any word (such as morphism or isometry). I tried doing this:

newcommand{star}[1]{#1textsuperscript{*}}

without luck.
Is this possible, and should I be doing this with LaTex, or is it something I should be doing with my editor's macros?

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

I'm writing about C* algebras and I'm trying to write *-strings efficiently. I managed to define C^* like this:

newcommand{Cstar}{Ctextsuperscript{*}}

While I have to invoke it as Cstar{} to prevent it from sticking to the next word, I have had trouble writing a command to add * to any word (such as morphism or isometry). I tried doing this:

newcommand{star}[1]{#1textsuperscript{*}}

without luck.
Is this possible, and should I be doing this with LaTex, or is it something I should be doing with my editor's macros?

formatting text-manipulation

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

edited 8 hours ago

David Carlisle

498k4111441893

edited 8 hours ago

David Carlisle

498k4111441893

edited 8 hours ago

David Carlisle

498k4111441893

asked 8 hours ago

user20402

New contributor

asked 8 hours ago

user20402

asked 8 hours ago

user20402

New contributor

user20402 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

Welcome to TeX.SX! Note that it is usually best practice here to include a small example document that does only include the bare necessities to show what you're trying so far (e.g. documentclass{article}newcommandstar[1]{#1textsuperscript{*}}begin{document}star{Foo}end{document} would suffice here).

– Skillmon
8 hours ago

1

The command star is already defined in LaTeX. You can try Star instead.

– Phelype Oleinik
8 hours ago

add a comment |

Welcome to TeX.SX! Note that it is usually best practice here to include a small example document that does only include the bare necessities to show what you're trying so far (e.g. documentclass{article}newcommandstar[1]{#1textsuperscript{*}}begin{document}star{Foo}end{document} would suffice here).

– Skillmon
8 hours ago

1

The command star is already defined in LaTeX. You can try Star instead.

– Phelype Oleinik
8 hours ago

Welcome to TeX.SX! Note that it is usually best practice here to include a small example document that does only include the bare necessities to show what you're trying so far (e.g. documentclass{article}newcommandstar[1]{#1textsuperscript{*}}begin{document}star{Foo}end{document} would suffice here).

– Skillmon
8 hours ago

The command star is already defined in LaTeX. You can try Star instead.

– Phelype Oleinik
8 hours ago

add a comment |

1 Answer
1

active

oldest

votes

In my opinion, the asterisk should be always in the upright font, independently of the context. Besides, textsuperscript{*} would place the asterisk too high, see the last line in the image below.

Also C^* should probably always appear upright, but you may decide otherwise.

Redefining star could be safe in your context, but be aware that star is the name of a symbol, namely ⋆, and you may want to save it under another name in case you decide to use it.

documentclass{article}

usepackage{amsmath}



newcommand{Star}[1]{#1ensuremath{^*}kern-scriptspace}

newcommand{CStar}{Star{ensuremath{mathrm{C}}}}



begin{document}



% the commands in upright text

We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.



% the commands in italics context, such as theorems

textit{We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.}



% with textsuperscript{*}

textit{We deal with Ctextsuperscript{*}-algebras, with morphismstextsuperscript{*}

and isometriestextsuperscript{*}.}



end{document}

enter image description here

answered 8 hours ago

egreg

732k8919303254

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

In my opinion, the asterisk should be always in the upright font, independently of the context. Besides, textsuperscript{*} would place the asterisk too high, see the last line in the image below.

Also C^* should probably always appear upright, but you may decide otherwise.

Redefining star could be safe in your context, but be aware that star is the name of a symbol, namely ⋆, and you may want to save it under another name in case you decide to use it.

documentclass{article}

usepackage{amsmath}



newcommand{Star}[1]{#1ensuremath{^*}kern-scriptspace}

newcommand{CStar}{Star{ensuremath{mathrm{C}}}}



begin{document}



% the commands in upright text

We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.



% the commands in italics context, such as theorems

textit{We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.}



% with textsuperscript{*}

textit{We deal with Ctextsuperscript{*}-algebras, with morphismstextsuperscript{*}

and isometriestextsuperscript{*}.}



end{document}

enter image description here

answered 8 hours ago

egreg

732k8919303254

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

add a comment |

In my opinion, the asterisk should be always in the upright font, independently of the context. Besides, textsuperscript{*} would place the asterisk too high, see the last line in the image below.

Also C^* should probably always appear upright, but you may decide otherwise.

Redefining star could be safe in your context, but be aware that star is the name of a symbol, namely ⋆, and you may want to save it under another name in case you decide to use it.

documentclass{article}

usepackage{amsmath}



newcommand{Star}[1]{#1ensuremath{^*}kern-scriptspace}

newcommand{CStar}{Star{ensuremath{mathrm{C}}}}



begin{document}



% the commands in upright text

We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.



% the commands in italics context, such as theorems

textit{We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.}



% with textsuperscript{*}

textit{We deal with Ctextsuperscript{*}-algebras, with morphismstextsuperscript{*}

and isometriestextsuperscript{*}.}



end{document}

enter image description here

answered 8 hours ago

egreg

732k8919303254

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

add a comment |

In my opinion, the asterisk should be always in the upright font, independently of the context. Besides, textsuperscript{*} would place the asterisk too high, see the last line in the image below.

Also C^* should probably always appear upright, but you may decide otherwise.

Redefining star could be safe in your context, but be aware that star is the name of a symbol, namely ⋆, and you may want to save it under another name in case you decide to use it.

documentclass{article}

usepackage{amsmath}



newcommand{Star}[1]{#1ensuremath{^*}kern-scriptspace}

newcommand{CStar}{Star{ensuremath{mathrm{C}}}}



begin{document}



% the commands in upright text

We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.



% the commands in italics context, such as theorems

textit{We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.}



% with textsuperscript{*}

textit{We deal with Ctextsuperscript{*}-algebras, with morphismstextsuperscript{*}

and isometriestextsuperscript{*}.}



end{document}

enter image description here

answered 8 hours ago

egreg

732k8919303254

In my opinion, the asterisk should be always in the upright font, independently of the context. Besides, textsuperscript{*} would place the asterisk too high, see the last line in the image below.

Also C^* should probably always appear upright, but you may decide otherwise.

Redefining star could be safe in your context, but be aware that star is the name of a symbol, namely ⋆, and you may want to save it under another name in case you decide to use it.

documentclass{article}

usepackage{amsmath}



newcommand{Star}[1]{#1ensuremath{^*}kern-scriptspace}

newcommand{CStar}{Star{ensuremath{mathrm{C}}}}



begin{document}



% the commands in upright text

We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.



% the commands in italics context, such as theorems

textit{We deal with CStar-algebras, with Star{morphisms}

and Star{isometries}.}



% with textsuperscript{*}

textit{We deal with Ctextsuperscript{*}-algebras, with morphismstextsuperscript{*}

and isometriestextsuperscript{*}.}



end{document}

enter image description here

answered 8 hours ago

egreg

732k8919303254

answered 8 hours ago

egreg

732k8919303254

answered 8 hours ago

egreg

732k8919303254

answered 8 hours ago

egreg

732k8919303254

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

add a comment |

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

Thank you, the upgright text is just what I was looking for.

– user20402
7 hours ago

add a comment |

user20402 is a new contributor. Be nice, and check out our Code of Conduct.

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