Results 21 to 30 of about 8,504,062 (361)

Wonderful compactifications of the moduli space of points in affine and projective space [PDF]

open access: yes, 2016
We introduce and study smooth compactifications of the moduli space of n labeled points with weights in projective space, which have normal crossings boundary and are defined as GIT quotients of the weighted Fulton–MacPherson compactification.
Patricio Gallardo, Evangelos Routis
semanticscholar   +1 more source

Neutrosophic projective G-submodules [PDF]

open access: yesNeutrosophic Sets and Systems, 2020
A significant area of module theory is the concept of free modules, projective modules and injective modules. The goal of this study is to characterize the projective G-modules under a single-valued neutrosophic set.
Binu R., P. Isaac
doaj   +1 more source

Normal bundles of rational curves in projective space [PDF]

open access: yes, 2016
Let $$b_{\bullet }$$b∙ be a sequence of integers $$1 < b_1 \le b_2 \le \cdots \le b_{n-1 ...
Izzet Coskun, Eric Riedl
semanticscholar   +1 more source

ON PROJECTIONS IN PROJECTIVE SPACES

open access: yesDemonstratio Mathematica, 1998
Die Verff. betonen, daß eine projektive Kollineation \(\varphi\) eines projektiven Raumes \(PG(V)\), \(V\) ein Vektorraum der Dimension \(\geq 2\), auch dadurch definiert werden kann, daß \(\varphi|_U\) für einen wenigstens 2-dimensionalen linearen Unterraum \(U\) eine solche ist.
Krzysztof Prażmowski, H. Oryszczyn
openaire   +2 more sources

Codimension One Holomorphic Distributions on the Projective Three-space [PDF]

open access: yesInternational mathematics research notices, 2016
We study codimension one holomorphic distributions on the projective three-space, analyzing the properties of their singular schemes and tangent sheaves.
O. Calvo-Andrade, M. Corrêa, M. Jardim
semanticscholar   +1 more source

Ropes in projective space [PDF]

open access: yesKyoto Journal of Mathematics, 1996
Let \(C\) be a smooth irreducible curve in \(\mathbb{P}^n\) with homogeneous ideal \(I\). A locally Cohen-Macaulay structure \(Y\) of multiplicity \(\alpha\) on \(C\) is said to be an \(\alpha\)-rope on \(C\), if its homogeneous ideal \(J\) satisfies \(I^2 \subset J\subset I\). A ribbon is a 2-rope.
Migliore, Juan C.   +2 more
openaire   +3 more sources

Projective embedding of projective spaces [PDF]

open access: yesBulletin of the Belgian Mathematical Society - Simon Stevin, 1998
The author studies embeddings \(\phi:M \rightarrow P\) from a linear space \(M\) in a linear space \(P\). Examples of embeddings with \(\dim M >\dim P\) are given, but the author also focusses on conditions on embeddings such that \(\dim M=\dim P\). He introduces two properties (\textbf{G}) and (\textbf{E}) and he also describes a condition called the \
openaire   +3 more sources

Curvature tensor of connection in principal bundle of Cartan's projective connection space

open access: yesДифференциальная геометрия многообразий фигур, 2019
We considered Cartan's projective connection space with structure equations generalizing the structure equations of the projective space and the condition of local projectivity (this condition is an analogue to the equiprojectivity condition in the ...
K. Bashashina
doaj   +1 more source

Cofinitely and co-countably projective spaces

open access: yesApplied General Topology, 2002
We show that X is cofinitely projective if and only if it is a finite union of Alexandroff compactatifications of discrete spaces. We also prove that X is co-countably projective if and only if X admits no disjoint infinite family of uncountable cozero ...
Pablo Mendoza Iturralde   +1 more
doaj   +1 more source

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