On the approximation of real numbers by roots of integers
Kurt Mahler, G. Szekeres (1967)
Acta Arithmetica
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Kurt Mahler, G. Szekeres (1967)
Acta Arithmetica
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R. Baker (1981)
Acta Arithmetica
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K. Thanigasalam (1980)
Acta Arithmetica
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S. Dancs, P. Turán (1973)
Acta Arithmetica
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R. Gold (1974)
Acta Arithmetica
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Chang-Pao Chen (1994)
Studia Mathematica
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We prove that if as max(|j|,|k|) → ∞, and , then f(x,y)ϕ(x)ψ(y) ∈ L¹(T²) and as min(m,n) → ∞, where f(x,y) is the limiting function of the rectangular partial sums , (ϕ,θ) and (ψ,ϑ) are pairs of type I. A generalization of this result concerning L¹-convergence is also established. Extensions of these results to double series of orthogonal functions are also considered. These results can be extended to n-dimensional case. The aforementioned results generalize work of Balashov [1],...
Tord Sjödin (1982)
Studia Mathematica
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K. Chandrasekharan, H. Joris (1973)
Acta Arithmetica
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J. Bourgain (1980)
Studia Mathematica
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Sudesh Gogia, Indar Luthar (1981)
Acta Arithmetica
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