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arXiv · 1406.4744

On continuity of Guo Wuwen function

Z. Ambroży·I. Biborski
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Abstract

We show that the functions g and gs introduced by Guo Wuwen in [4] are continuous and semialgebraic. We use this fact to prove that the set Nn of ordered n-tuples of real numbers, realizable by nonnegative matrices, is a closed set.

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Z. Ambroży, I. Biborski. 2014-06-18. On continuity of Guo Wuwen function. https://arxiv.org/abs/1406.4744

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