radius of convergence
A kind of willow, Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for wickerwork (basketweaving with wicker). ...
for a power series ∑ₙ₌₀ ᪲c_n(z-a)ⁿ, the unique number R=[0,∞] such that the sum is convergent for |z-a|R
An Albanian crypto-christian during the Ottoman rule of Albania
plural of normalism
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