The inequalities in variables.
A class of inequalities related to the angle bisectors and the sides of a triangle.
Proving inequalities in acute triangle with difference substitution.
A novel recursive method to reconstruct multivariate functions on the unit cube
Due to discontinuity on the boundary, traditional Fourier approximation does not work efficiently for d−variate functions on [0, 1]d. In this paper, we will give a recursive method to reconstruct/approximate functions on [0, 1]d well. The main process is as follows: We reconstruct a d−variate function by using all of its (d−1)–variate boundary functions and few d–variate Fourier coefficients. We reconstruct each (d−1)–variate boundary function given in the preceding reconstruction by using all of...
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