Limits on anomalousWWγandWWZcouplings fromWW/WZ→eνjjproduction

On Limits

SFI WORKING PAPER: 1994-10-056 SFI Working Papers contain accounts of scientific work of the author(s) and do not necessarily represent the views of the Santa Fe Institute. We accept papers intended for publication in peer-reviewed journals or proceedings volumes, but not papers that have already appeared in print. Except for papers by our external faculty, papers must be based on work done at ...

Generalized Covering Groups and Direct Limits

Limits in modified categories of interest

‎We firstly prove the completeness of the category of crossed modules in a modified category of interest‎. ‎Afterwards‎, ‎we define pullback crossed modules and pullback cat objects that are both obtained by pullback diagrams with extra structures on certain arrows‎. ‎These constructions unify many corresponding results for the cases of groups‎, ‎commutative algebras and can also be adapted to ...

Energy limits on recycling

Increasing efficiency of resource use is a major ecological-economics goal. Opportunities for large efficiency increases have been found in every area carefully investigated. What are the limits? Energy analysis offers powerful insights. Ayres has argued that, even with unlimited available energy, over time it becomes necessary to have ever-more dilute waste reservoirs. If correct, this would s...

Limits on Interstellar Messages