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Topic: Differential geometry lines and surfaces
Replies: 7   Last Post: May 30, 2014 7:33 AM

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Narasimham

Posts: 350
Registered: 9/16/06
Re: Differential geometry lines and surfaces
Posted: Apr 23, 2014 8:00 PM
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> > > > Guess what lines and surfaces are represented
> on
> > > this
> > > > surface of revolution plastic model :
> > > >
> > > > http://i61.tinypic.com/2j0lg7d.jpg
> > > >
> > > > Narasimham

> > >
> > > Hi Narasimham,
> > >
> > > I think the model shows a pseudosphere.
> > >
> > >
> > > Best regards,
> > > Avni

> >
> > Hi Avni,
> >
> > Correct. It has a pseudosphere meridian, the
> > hyperbolic type. But what lines are chosen ?
> >
> > Regards
> > Narasimham

>
> I think the lines are geodesic lines.
>
> Best regards,
> Avni


Partly correct ...as there are two sets of lines.
Narasimham



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