When you call up driving directions on your smartphone or program a destination into your car’s global positioning system (GPS), satellites in space are called upon to pinpoint your vehicle’s location ...

This article considers tests for symmetry of the one-dimensional marginal distribution of fractionally integrated processes. The tests are implemented by using an autoregressive sieve bootstrap ...

This is a preview. Log in through your library . Abstract The Mantel-Haenszel test of treatment, response independence within strata in an s × t × r contingency table is reviewed. In the case of one ...

An antimatter atom abides by the same rules as its matter look-alike. Scientists studying antihydrogen have found that the energy needed to bump the atoms into an excited, or high-energy, state is the ...

In general usage, symmetry most often refers to mirror or reflective symmetry; that is, a line (in 2-D) or plane (in 3-D) can be drawn through an object such that the two halves are mirror images of ...