"polyconvexity" meaning in English

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  "etymology_text": "poly- + convexity",
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          "text": "Thus we negatively answer Morrey's conjecture in the subclass of isochoric nonlinear energies, since polyconvexity implies quasiconvexity.",
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        "A generalization of the notion of convexity for functions defined on spaces of matrices."
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        "(mathematics) A generalization of the notion of convexity for functions defined on spaces of matrices."
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  "word": "polyconvexity"
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  "etymology_text": "poly- + convexity",
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        "A generalization of the notion of convexity for functions defined on spaces of matrices."
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        "(mathematics) A generalization of the notion of convexity for functions defined on spaces of matrices."
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