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<p>using complex <a href="page.php?w=analytic_continuation">analytic continuation</a>. If  is a real analytic curve in  defined over an interval I, with  and a vector field  along c such that  and , then the following surface is minimal:</p>

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:</p>

<p>where , , and  is a simply connected domain where the interval is included and the <a href="page.php?w=power_series">power series</a> expansions of  and  are convergent.</p>

<p>A classic example is <a href="page.php?w=Catalan%27s_minimal_surface">Catalan's minimal surface</a>, which passes through</p><p>
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