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'Curly' Z and I - Affine algebraic sets

I am reading Dummit and Foote on affine algebraic sets and wish to create posts refering to such objects.

The notation for a subset Z(S) of affine space is a "curly" Z - see attachment - bottom of page 658.

Also the notion for the unique largest ideal whose locus determines a particular algebraic set V is a 'curly' I - see attachment, third paragraph on page 660.

Can someone please help me to use Latex to produce these symbols.

Peter

Re: 'Curly' Z and I - Affine algebraic sets

\mathcal is what you want:$\displaystyle \mathcal{Z}\mathcal{I}$

Re: 'Curly' Z and I - Affine algebraic sets

Thanks fobos3

Appreciate the help

Peter