We exhibit a one-to-one correspondence between 3-colored graphs and subarrangements of certain hyperplane arrangements denoted 𝒥_𝓃, n∈ ℕ.

In the early 1970s, a decision was made to Qatarize administrative posts in the government sector; by the 1990s, 96 percent of the top school- administrative positions were held by Qataris.

The cover is as navy as a bruise.

There we shared countless treasured hours together, and for me they were precious whether we were fishing; piddling around making slingshots or gee haw whammy diddles; or hard at work performing mundane tasks such as hoeing corn, slopping hogs, or feeding chickens.