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  1. Dictionary
    concavity
    /kɒnˈkavɪti/

    noun

    • 1. the state or quality of being concave: "the concavity of her stomach"

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  2. onlinelibrary.wiley.com › doi › fullEnhancing Resistance to Wetting Transition through the Concave...

    2 days ago · Given that the ΔP L would favor the air diffusion through the air cap on the concavity, opposing the p(h) on the air/water interfaces between pillars. As a result, the CP surface seems to prevent the underwater CWT resulting from the favorable air diffusion on the concavity.

  3. en.wikipedia.org › wiki › Trigonometric_functionsTrigonometric functions - Wikipedia

    2 days ago · In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.

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  5. arxiv.org › abs › 2410Rook matroids and log-concavity of $P$-Eulerian polynomials

    3 days ago · Abstract: We define and study rook matroids, the bases of which correspond to non-nesting rook placements on a skew Ferrers board. We show that rook matroids are closed under taking duals, direct sums but not minors.

  6. en.wikipedia.org › wiki › Sine_and_cosineSine and cosine - Wikipedia

    2 days ago · The sine and cosine of an acute angle are defined in the context of a right triangle: for the specified angle, its sine is the ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse), and the cosine is the ratio of the length of the adjacent leg to that of the ...

  7. www.restack.io › p › machine-learning-answer-classicalClassical Inequalities in Machine Learning | Restackio

    2 days ago · In information theory, the concavity of the logarithm, combined with Jensen’s inequality, plays a crucial role in classical results, such as the positivity of the Kullback-Leibler divergence and the data processing inequality. This extends to all f-divergences, highlighting the importance of Jensen's inequality in this field. Operator Convexity

  8. link.springer.com › article › 10Normalized clustering peak solutions for Schrödinger equations...

    4 days ago · The ground state energy is not always negative and the strict subadditivity of the ground state energy is achieved here by strict concavity. We are concerned with the normalized $$\ell $$ -peak solutions to the nonlinear Schrödinger equation $$\begin{aligned} {\left\{ \begin{array}{ll} -\va

  9. www.sciencedirect.com › science › articleInternal radiation effect on semiconductor β-Ga2O3 crystals grown...

    1 day ago · Thermal stress of the as-grown ingot is decreased during the growth due to the decrease of temperature non-linearities. Internal radiation inside the crystal acts to increase the melt-crystal interface convexity at the early and middle stages of the growth process and leads to a decrease in its concavity at the final stage.