Results 21 to 30 of about 16,757 (142)
Order dense injectivity of $S$-posets [PDF]
Categories and General Algebraic Structures with Applications, 2015 In this paper, the notion of injectivity with respect to order dense embeddings in the category of $S$-posets, posets with a monotone action of a pomonoid $S$ on them, is studied.
Leila Shahbaz
doaj
Journal of Petroleum Exploration and Production Technology, 2018 Existing reducing agents for cross-linking polymers are expensive and toxic and mostly limited for water shut off applications. A gelation study was performed on a safer, cheaper, more soluble, and short-lived gel by cross-linking polyacrylamide and ...
Sameer Al-Hajri +3 more
doaj +1 more source
Amenability and geometry of semigroups [PDF]
, 2017 We study the connection between amenability, Følner conditions and the geometry of finitely generated semigroups. Using results of Klawe, we show that within an extremely broad class of semigroups (encompassing all groups, left cancellative semigroups ...
Gray, Robert, Kambites, Mark
core +1 more source
Weak expectations and injectivity in operator algebras [PDF]
Proceedings of the American Mathematical Society, 1978 An example is given of a noninjective von Neumann algebra M on a separable Hilbert space H \mathcal {H} for which there exists a weak expectation of L ( H ) \mathcal {L}(\mathcal {H}) into M.
openaire +2 more sources
Cone fields and topological sampling in manifolds with bounded curvature [PDF]
, 2012 Often noisy point clouds are given as an approximation of a particular compact set of interest. A finite point cloud is a compact set. This paper proves a reconstruction theorem which gives a sufficient condition, as a bound on the Hausdorff distance ...
Turner, Katharine
core +1 more source
Algebraic K-theory of group rings and the cyclotomic trace map
, 2016 We prove that the Farrell-Jones assembly map for connective algebraic K-theory is rationally injective, under mild homological finiteness conditions on the group and assuming that a weak version of the Leopoldt-Schneider conjecture holds for cyclotomic ...
Lueck, Wolfgang +3 more
core +1 more source
Positive Entropy Invariant Measures on the Space of Lattices with Escape of Mass [PDF]
, 2010 On the space of unimodular lattices, we construct a sequence of invariant probability measures under a singular diagonal element with high entropy and show that the limit measure is ...
Kadyrov, Shirali
core +4 more sources
$\lambda$ -presentable Morphisms, Injectivity and (Weak) Factorization Systems [PDF]
Applied Categorical Structures, 2006 We show that in a locally lambda-presentable category, every lambda(m)-injectivity class (i.e., the class of all the objects injective with respect to some class of lambda-presentable morphisms) is a weakly reflective subcategory determined by a functorial weak factorization system cofibrantly generated by a class of lambda-presentable morphisms.
openaire +3 more sources
Kan injectivity in order-enriched categories
, 2013 Continuous lattices were characterised by Martin Escardo as precisely the objects that are Kan-injective w.r.t. a certain class of morphisms. We study Kan-injectivity in general categories enriched in posets.
Adamek, Jiri +2 more
core +1 more source
On the injectivity radius in Hofer's geometry
, 2014 In this note we consider the following conjecture: given any closed symplectic manifold $M$, there is a sufficiently small real positive number $\rho$ such that the open ball of radius $\rho$ in the Hofer metric centered at the identity on the group of ...
Lalonde, François, Savelyev, Yakov
core +1 more source