Even ascending powers
Tom 118 / 2019
Banach Center Publications 118 (2019), 193-229
MSC: Primary 11P05; Secondary 11P55.
DOI: 10.4064/bc118-13
Streszczenie
Almost all natural numbers not divisible by eight are the sum of a square, a fourth, a sixth and an eighth power. This is established in quantitative form.