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<p>extension, <b>super-ambitwistors</b>, by <a href="page.php?w=Edward_Witten">Edward Witten</a>. Ambitwistor space is the space of complexified light rays or massless particles and can be regarded as a <a href="page.php?w=complexification">complexification</a> or <a href="page.php?w=cotangent_bundle">cotangent bundle</a> of the original twistor description. By extending the ambitwistor correspondence to suitably defined formal neighborhoods, Isenberg, Yasskin and Green showed the equivalence between the vanishing of the curvature along such extended</p><p>
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