Search results for: Martin R. Weber
Thrombosis Research > 2016 > 140 > S1 > S27-S36
Positivity > 2014 > 18 > 4 > 823-837
Positivity > 2013 > 17 > 3 > 819-840
Positivity > 2009 > 13 > 1 > 145-163
Positivity > 2007 > 11 > 4 > 563-574
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Metastasis is the main cause of death in cancer patients, and understanding mechanisms that control tumor cell dissemination may lead to improved therapy. Tumor cell adhesion receptors contribute to cancer spreading. We noted earlier that tumor cells can expressing the adhesion receptor integrin αvβ3 in distinct states of activation, and found that cells which metastasize from the blood stream express...
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A finite element in an Archimedean vector lattice is called self-majorizing if its modulus is a majorant. Such elements exist in many vector lattices and naturally occur in different contexts. They are also known as semi-order units as the modulus of a self-majorizing element is an order unit in the band generated by the element. In this paper the properties of self-majorizing elements are studied...
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Finite elements, which are well-known and studied in the framework of vector lattices, are investigated in $$\ell $$ -algebras, preferably in $$f$$ -algebras, and in product algebras. The additional structure of an associative multiplication leads to new questions and some new properties concerning the collections of finite, totally finite and self-majorizing elements. In some cases the order...
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If the vector space $${\mathcal{L}}^r(E, F)$$ of all regular operators between the vector lattices E and F is ordered by the collection of its positive operators, then the Dedekind completeness of F is a sufficient condition for $${\mathcal{L}}^r(E, F)$$ to be a vector lattice. $${\mathcal{L}}^r(E, F)$$ and some of its subspaces might be vector lattices also in a more general situation. In...
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Let E and F be vector lattices and $${\mathcal L}^r(E,F)$$ the ordered space of all regular operators, which turns out to be a (Dedekind complete) vector lattice if F is Dedekind complete. We show that every lattice isomorphism from E onto F is a finite element in $${\mathcal L}^r(E,F)$$ , and that if E is an AL-space and F is a Dedekind complete AM-space with an order unit, then each regular...
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