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Are there any news regarding twistor theory?
The original ideas by Penrose to replace spacetime by its "dual lightcones" always fascinated me, but it seems the whole program is stuck. What are the reasons? Is there any progress and relation to recent progress in other QG approaches?
Tom
The original ideas by Penrose to replace spacetime by its "dual lightcones" always fascinated me, but it seems the whole program is stuck. What are the reasons? Is there any progress and relation to recent progress in other QG approaches?
Tom