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WebApr 10, 2024 · In the remote Arctic almost 30 years ago, a group of Inuit middle school students and their teacher invented the Western Hemisphere’s first new number system in more than a century. WebMar 14, 2009 · The initial-value problem for a first-order evolution equation is discretised in time by means of the two-step backward differentiation formula (BDF) on a variable time grid. The evolution equation is governed by a monotone and coercive potential operator. On a suitable sequence of time grids, the piecewise constant interpolation and a piecewise … WebJan 12, 2011 · BIT Numer. Math. 50, 193–206 (2010) Article MathSciNet MATH Google Scholar Yu, D.H.: The numerical computation of hypersingular integrals and Its application in BEM. Adv. Eng. Softw. 18, 103–109 (1993) Article MATH Google Scholar Yu, D.H.: Natural Boundary Integrals Method and Its Applications. ... bjt logic gates vs mosfet logic gates