نتایج جستجو برای: stratification
تعداد نتایج: 30687 فیلتر نتایج به سال:
Journal:
:International Journal of Mathematics
2011
Journal:
:European Journal of Preventive Cardiology
2020
Journal:
:Journal of High Energy Physics
2022
We show that a master integrand basis exists for all planar, two-loop amplitudes in massless four-dimensional theories which is fully stratified by rigidity -- with each being either pure and strictly polylogarithmic or (pure and) elliptic-polylogarithmic, of the later involving single elliptic curve. Such integrands can be said to have definite rigidity.
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