it should be possible to write functions with a product/sum that include the argument in the limits of the function (or is it already possible?) : r/geogebra
Deep inelastic scattering on the deuteron in the Bethe‐Salpeter formalism with the realistic NN‐interaction
Feynman diagram - Wikipedia
Multidimensional analogue of Virasoro algebra and quantum higher-order water wave equation
Stefan Hollands - Operator Product Expansion - YouTube
The paradox of emptiness: Much ado about nothing Craig D. Roberts Physics Division Argonne National Laboratory & School of Physics Peking University. - ppt download
arXiv:gr-qc/0605072v1 11 May 2006 The operator product expansion for perturbative quantum field theory in curved spacetime