We propose four axioms that a quasicategory should satisfy to be considered a reasonable homotopy theory of (∞, n)-categories. This axiomatization requires that a homotopy theory of (∞, n)-categories, when equipped with a small amount of extra structure, satisfies a simple, yet surprising, universal property. We further prove that the space of such quasicategories is homotopy equivalent to (RP∞...

The tree species diversity in mixed stands of beech and valuable broadleaves was researched in the area of the National Park `Djerdap` on fifteen sample plots (total study area of about 5 ha). For this purpose, the following diversity measures were applied: (1) Shannon`s index H', (2) Simpson`s index (Simpson 1949), (3) McIntosh`s diversity index D' (McIntosh 1967), (4) Hill’s N1 diversity numb...

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Simpson, S. A. & Tait, J. F. (1952). Endocrinology, 50, 150. Simpson, S. A. & Tait, J. F. (1953). Mem. Soc. Endocrin. 2,9. Southcott, C. M., Bandy, H. E., Newsom, S. E. & Darrach, M. (1956). Canad. J. Biochem. Phy8iol. 34, 913. Speirs, R. S. & Meyer, R. K. (1951). Endocrinology, 48, 316. Vogt, M. (1955). J. Physiol. 130, 601. Vogt, M. (1957). Ciba Foundation Colloq. Endocrin. 11, 193. Weichselb...