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000625630 041__ $$aEnglish
000625630 1001_ $$0P:(DE-H253)PIP1101735$$aLai, Davide$$b0$$eCorresponding author$$udesy
000625630 1112_ $$aQFT, Strings and Beyond$$cZürich$$d2025-03-18 - 2025-03-18$$wSwitzerland
000625630 245__ $$aClustering and the Five-Point Function$$f2025-03-18 - 
000625630 260__ $$c2025
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000625630 502__ $$cETH Zürich
000625630 520__ $$aThe hexagonalisation technique arose in the context of N=4 SYM theory to address the tessellation of the effective world-sheet describing three-point functions of single trace operators. Despite its apparent technical difficulty, exploiting the knowledge of all its ingredients at finite 't Hooft coupling one can perform some non-trivial limits, like the strong-coupling one. In this case, a phenomenon called "clustering" allows the complete resummation of finite-size effects leading to the semi-classical string answer. I will introduce the general background and then discuss the generalization to some particular class of five-point functions, where the clustering phenomenon becomes more involved, involving cross-ratios and some analytic continuation of the ingredients to unusual kinematic regimes. In the end, I will speculate about some tentative directions that one could take.
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000625630 536__ $$0G:(GEPRIS)460391856$$aDFG project G:(GEPRIS)460391856 - Feldtheorie lösen mittels Integrabilität (460391856)$$c460391856$$x1
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000625630 8564_ $$uhttps://seminars.itp.phys.ethz.ch/view?series=qftstrbyd&period=25FS
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