Anagram & Information om | Engelska ordet UMBRAL

In mathematics before the 1970s, the term umbral calculus referred to the surprising similarity between seemingly unrelated polynomial equations and certain shadowy techniques used to "prove" them.
The Roman Harmonic numbers, named after Steven Roman, were introduced by Daniel Loeb and Gian-Carlo Rota in the context of a generalization of umbral calculus with logarithms.
The umbral portion of the path started near the border of Guyana and the Brazilian state Roraima, passed northern Dutch Guiana (today's Suriname), headed into the Atlantic, included one of the Portuguese Cape Verde (today's Cape Verde) Islands, which was Santo Antão, Nouadhibou and Nouakchott and other parts of Central Mauritania, northern Mali, the southernmost of Algeria, the middle and southeastern Niger, the middle of Chad, the Sudan including Darfur and parts that are now in the South Sudan including Kodok, a part of the northernmost Uganda, a part of northern Kenya, the southernmost of Somalia, and the Alphonse Group of British Seychelles (today's Seychelles).
The umbral portion which was as far as 242 km, it included areas that were 50 miles (90–100 km) south of the islands of Santiago and Maio in Cape Verde, Senegambia including the kingdoms of Sine and Saloum, Mali, Songhai (or Songhay), Wadai, Darfur, a part of what is Sudan and the South Sudan and Ethiopia.

Förberedelsen av sidan tog: 390,59 ms.

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