3 papers
hep-ph2002
Calculation on the Lifetime of Polarized Muons in Flight
Zhi-Qiang Shi, Ni Guang-Jiong
The fermion lifetime was usually calculated in terms of spin states. However, after comparing spin states with helicity states and chirality states, it is pointed out that a spin s…
math.CO2002
On the Isomorphic Embedding of Rectangular Grids in n-cubes
Garrison W. Greenwood
All previously published work on isomorphic grid embeddings into n-cubes has been restricted to binary n-cubes. This paper describes a straightforward method for embedding a A x B…
math.OC2002
How to Evolve Safe Control Strategies
G. W. Greenwood, X. Song
Autonomous space vehicles need adaptive control strategies that can accommodate unanticipated environmental conditions. The evaluation of new strategies can often be done only by a…