7 citations · 8 across the 4 of their papers we have counts for
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hep-th2018★ 1 cited
Universal deformation of particle momenta space in perturbation theory
Stanislav Srednyak
We define an embedding of the space of complex momenta and masses in perturbation theory into a universal projective space. This embedding is natural in the sense of properties of…
hep-th2013★ 7 cited
Perturbation theory in (2,2) signature
Stanislav Srednyak, George Sterman
We identify a natural analytic continuation in four dimensions from Minkowski signature to a signature with two time-like momentum components. For two, three and four-point diagram…