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The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's Almagest, [1] a treatise on mathematical astronomy. It is essentially equivalent to a table of values of the sine function.
The correspondence was defined by Roger Howe in Howe (1979). The assertion that this is a 1-1 correspondence is called the Howe duality conjecture. Key properties of local theta correspondence include its compatibility with Bernstein-Zelevinsky induction [3] and conservation relations concerning the first occurrence indices along Witt towers . [4]
The Rokeach Value Survey (RVS) is a values classification instrument. Developed by social psychologist Milton Rokeach , the instrument is designed for rank-order scaling of 36 values, including 18 terminal and 18 instrumental values. [ 1 ]
Roger Evans Howe (born May 23, 1945) is the William R. Kenan, Jr. Professor Emeritus of Mathematics at Yale University, and Curtis D. Robert Endowed Chair in Mathematics Education at Texas A&M University.
Āryabhaṭa's table was the first sine table ever constructed in the history of mathematics. [8] The now lost tables of Hipparchus (c. 190 BC – c. 120 BC) and Menelaus (c. 70–140 CE) and those of Ptolemy (c. AD 90 – c. 168) were all tables of chords and not of half-chords. [8] Āryabhaṭa's table remained as the standard sine table of ...
For example, a basic biology taxonomy would have concepts such as mammal, which is a subset of animal, and dogs and cats, which are subsets of mammal. This kind of taxonomy is called an is-a model because the specific objects are considered as instances of a concept. For example, Fido is-an instance of the concept dog and Fluffy is-a cat. [23]
is the total number of attributes where A has value 0 and B has value 1, and M 10 {\displaystyle M_{10}} is the total number of attributes where A has value 1 and B has value 0. The simple matching distance (SMD) , which measures dissimilarity between sample sets, is given by 1 − SMC {\displaystyle 1-{\text{SMC}}} .
Generates phylogenetic trees in various formats, based on NCBI taxonomy: none: I. Letunic PhyloQuart Quartet implementation (uses sequences or distances) Quartet method: V. Berry PhyloWGS Reconstructing subclonal composition and evolution from whole-genome sequencing of tumors MCMC A. G. Deshwar, S. Vembu, C. K. Yung, G. H. Jang, L. Stein, and ...