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From: gudi on 8 Jun 2010 12:50
If u(x,y) ,v(x,y) are real/imaginary parts of an analytical function
f( x + i y), under what conditions does surface Z = u(x,y) ( in Monge
form ) have a positive Gauss curvature K? For most of the functions I
find K is negative. Is it always so? Please give examples when K >0.
TIA,

Narasimham
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Prev: An inequality
Next: Gauss curvature of surface represented by real part of an analytic function-