Results 291 to 300 of about 163,993 (328)

Identifiability of Phylogenetic Level-2 Networks under the Jukes-Cantor Model

open access: yes
Englander AK   +6 more
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Algebraic cycles and Beauville’s involution

European Journal of Mathematics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Decomposability of Reflexive Cycle Algebras

Journal of the London Mathematical Society, 1995
We give, for each \(n\geq 3\), an example of a reflexive operator algebra \({\mathcal A}_ n\) with the following properties: (i) each finite rank operator with rank less than \(n-1\) is the sum of rank-one operators in \({\mathcal A}_ n\), and (ii) there is an operator of rank \(n-1\) in \({\mathcal A}_ n\) which is not the sum of rank-one operators in
Harrison, K. J., Mueller, U. A.
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Algebraic Cycle Complexes

2000
We collect several basic properties of algebraic cycle complexes defined by Bloch, Friedlander, Suslin and Voevodsky, like moving lemmas, localization, homotopy invariance and Mayer-Vietoris exact sequences. We also explain a generalization of the theorem of Nesterenko/Suslin/Totaro from fields to smooth, semilocal algebras of geometric type over an ...
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Algebraic Systems of Positive Cycles in an Algebraic Variety

American Journal of Mathematics, 1950
Ein \(d\)-dimensionaler \glqq Zykel\grqq{} (Divisor) auf einer algebraischen Mannigfaltigkeit \(U\) in einem projektiven Raum \(S_m\) wird nach \textit{A. Weil} [Foundation of algebraic geometry. New York: American Mathematical Society (1946; Zbl 0063.08198; Zbl 0168.18701), p.
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Optimal v-cycle algebraic multilevel preconditioning

Numerical Linear Algebra with Applications, 1998
This paper deals with the iterative solution of large sparse symmetric positive (non-negative) definite linear systems arising from the discretization of second order elliptic partial differential equations. The author considers algebraic multilevel preconditioning methods based on the recursive use of a \(2\times 2\) block incomplete factorization ...
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Algebraic Equivalence and Homology Classes of Real Algebraic Cycles

Mathematische Nachrichten, 1996
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Algebraic Limit Cycles

International Journal of Bifurcation and Chaos
In the qualitative theory of differential equations in the plane [Formula: see text], one of the most difficult objects to study is the existence of limit cycles. Here, we summarize some results and open problems on the algebraic limit cycles of the planar polynomial differential systems.
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