Latex code for the functor Hom_R( _ , X)

[Math Amateur]

Can someone please help me with the correct Latex code for the functor Hom_R( _ , X)

When I try to get the correct symbol for the functor I get $$Hom_R( _ , X)$$ , that is I get a symbol without the _ displayed.

Can someone please help me with the correct code?

Peter

 

[I like Serena]

Can someone please help me with the correct Latex code for the functor Hom_R( _ , X)

When I try to get the correct symbol for the functor I get $$Hom_R( _ , X)$$ , that is I get a symbol without the _ displayed.

Can someone please help me with the correct code?

Peter

Hi Peter,

You need to "escape" the underscore with a backslash.
That is: Hom_R( \_ , X)
This shows up as: $$Hom_R( \_ , X)$$

 

[jacobi1]

[math] \operatorname{Hom} \_ _R ( \_ ,X)[/math]
Is that what you want?

Or is it [math] \operatorname{Hom}_R ( \_ ,X)[/math]?

The code for the first one is "\operatorname{Hom} \_ _R ( \_ ,X)"-the underscore must be preceded by a backslash.

I don't know why an underscore is chosen, though- if "_" is an argument of the 'Hom' function, shouldn't it be a letter?

 

[Math Amateur]

[math] \operatorname{Hom} \_ _R ( \_ ,X)[/math]
Is that what you want?

Or is it [math] \operatorname{Hom}_R ( \_ ,X)[/math]?

The code for the first one is "\operatorname{Hom} \_ _R ( \_ ,X)"-the underscore must be preceded by a backslash.

I don't know why an underscore is chosen, though- if "_" is an argument of the 'Hom' function, shouldn't it be a letter?

Thanks I like Serena and Jacobi ...

Yes, definitely wanted the symbol $$Hom_R( \_ , X)$$ ...

Thanks again for the help ...

Peter