[texhax] help!

[Philip G. Ratcliffe]

> Please somebody help me! What is the Latex command to make
> appear the asterix of a complex conjugate (left-up)?

As Konstantin suggested, $^*A$ might do.  If the spacing doesn't satisfy
you, then you could simply try something like $^*A\!$

or try the tensor package (of which I am now the maintainer):

\usepackage{tensor}

$\tensor[^*]{A}{}$ should guarantee both horizontal and vertical symmetry
with $A^*$

Cheers,  Phil Ratcliffe