hep two
101Butcher group — In mathematics, the Butcher group, named after the New Zealand mathematician John C. Butcher by Hairer Wanner (1974), is an infinite dimensional group first introduced in numerical analysis to study solutions of non linear ordinary differential… …
102Matrix string theory — In physics, Matrix string theory is a set of equations that describe superstring theory in a non perturbative framework. Type IIA string theory can be shown to be equivalent to a maximally supersymmetric two dimensional gauge theory, the gauge… …
103Compactification (physics) — For the concept of compactification in mathematics, see compactification (mathematics). In physics, compactification means changing a theory with respect to one of its space time dimensions. Instead of having a theory with this dimension being… …
104Athletics at the 2000 Summer Olympics - Women's heptathlon — The heptathlon at the 2000 Summer Olympics as part of the athletics program was held at the Stadium Australia on Wednesday September 23 and Thursday September 24. ResultsMedalsThe medals were distributed as following:Both Lewis and Sazanovich had …
105Spin network — In physics, a spin network is a type of diagram which can be used to represent states and interactions between particles and fields in quantum physics. From a mathematical perspective, the diagrams are a concise way to represent multilinear… …
106Renormalization — Quantum field theory (Feynman diagram) …
107Kurdistan Workers Party — Infobox militant organization name=Kurdistan Workers Party Partiya Karkerên Kurdistan, (PKK) logo=PKK.svg caption=The current PKK flag used since 2005 dates=1978 present leader=The current official leader is Murat Karayilan. Abdullah Öcalan (also …
108Chiral anomaly — A chiral anomaly is the anomalous nonconservation of a chiral current. In some theories of fermions with chiral symmetry, the quantization may lead to the breaking of this (global) chiral symmetry. In that case, the charge associated with the… …
109Baryogenesis — Unsolved problems in physics Why does the observable universe have more matter than antimatter? …
110QCD vacuum — The QCD vacuum is the vacuum state of quantum chromodynamics (QCD). It is an example of a non perturbative vacuum state, characterized by many non vanishing condensates such as the gluon condensate or the quark condensate. These condensates… …
