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Projective hypersurfaces in tropical scheme theory I: the Macaulay ideal. [PDF]

open access: yesRes Math Sci
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Analytical evaluations using neural network-based method for wave solutions of combined Kairat-II-X differential equation in fluid mechanics. [PDF]

open access: yesSci Rep
Zhou P   +8 more
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Projections in Spaces of Bimeasures

Canadian Mathematical Bulletin, 1988
AbstractLet X and Y be metrizable compact spaces and μ and v be nonzero continuous measures on X and Y, respectively. Then there is no bounded operator from the space of bimeasures BM(X, Y) onto the closed subspace of BM(X, Y) generated by L1 (μ X v); in particular, if X and Fare nondiscrete locally compact groups, then there is no bounded projection ...
Graham, Colin C., Schreiber, Bertram M.
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Immersing Projective Spaces

The Annals of Mathematics, 1967
THEOREM 2. (a) HPn immerses in R8 n-Ea(n)-3J. (b) For n even, CPn immerses in R4ln-a(n)-1]. (c) For n odd, CPn immerses in R4n-a(n). Here a(n) is the number of ones in the dyadic expansion of n, and k(n) is a non-negative function depending only on the mod (8) residue class of n with k(1) = 0, k(3) = k(5) = 1 and k(7) = 4. As a consequence, for every j>
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On the Embedding of an Affine Space into a Projective Space

Geometriae Dedicata, 2000
Let \(k\) and \(K\) be commutative fields. An embedding of the affine space \(AG(n,k)\) into the projective space \(PG(m,K)\) is an injective mapping \(\psi\) from the point set of \(AG(n,k)\) to the point set of \(PG(m,K)\) which maps collinear points to collinear points and non-collinear points to non-collinear points. The author shows that for \(|k |
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