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18 papers · 1 filter
Identifying Constant Curvature Manifolds, Einstein Manifolds, and Ricci Parallel Manifolds
Feng-Yu Wang
We establish variational formulas for Ricci upper and lower bounds, as well as a derivative formula for the Ricci curvature. As applications, constant curvature manifolds, Einstein…
A Type IIB Matrix Model via non-Abelian T-dualities
Jeroen van Gorsel, Salomon Zacarias
We construct a new solution of type IIB supergravity with eight supercharges by applying non-Abelian T-duality to the solution, along the isometries in…
Analytic all-plus-helicity gluon amplitudes in QCD
David C. Dunbar, John H. Godwin, Guy R. Jehu +1
We detail the calculation of two-loop all-plus helicity amplitudes for pure Yang-Mills theory. The four dimensional unitarity methods and augmented recursion techniques we have dev…
Trace and Stable Failures Semantics for CSP-Agda
Bashar Igried, Anton Setzer
CSP-Agda is a library, which formalises the process algebra CSP in the interactive theorem prover Agda using coinductive data types. In CSP-Agda, CSP processes are in monadic form,…
Drawing Dynamic Graphs Without Timeslices
Paolo Simonetto, Daniel Archambault, Stephen Kobourov
Timeslices are often used to draw and visualize dynamic graphs. While timeslices are a natural way to think about dynamic graphs, they are routinely imposed on continuous data. Oft…
D-brane Disformal Coupling and Thermal Dark Matter
Bhaskar Dutta, Esteban Jimenez, Ivonne Zavala
Conformal and Disformal couplings between a scalar field and matter occur naturally in general scalar-tensor theories. In D-brane models of cosmology and particle physics, these co…