Has Witten announced his new geometry?

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SUMMARY

Ed Witten has been developing a new geometric framework in which worldsheets are considered the fundamental objects. This concept aligns with his ongoing work in string theory, which he believes remains a promising avenue for theoretical physics. Although there has been no recent formal announcement regarding this new geometry, discussions and interviews, such as the one from Scientific American, provide insights into Witten's perspectives on string theory and its implications for geometry.

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"pi"mp
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I had vaguely read somewhere a while ago that Ed Witten was developing some sort of new geometry where the only true, fundamental objects were worldsheets. Perhaps I'm not correctly remembering the idea but I think it was something like this. Has he announced this recently? I can't seem to find anything online.
 
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