Results 21 to 30 of about 75 (54)
Millennial-scale rates of erosion and change in relief in north Queensland using cosmogenic nuclide ¹⁰Be [PDF]
, 2019 Although water is one of the main agents of erosion in many environmental settings, many erosion rates derived from beryllium-10 (¹⁰Be) suggests that a relationship between precipitation and erosion rate is statistically non-significant on a global scale.
Mishra, Ashish Kumar
core +1 more source
Rough Sets Determined by Quasiorders
, 2009 In this paper, the ordered set of rough sets determined by a quasiorder relation $R$ is investigated. We prove that this ordered set is a complete, completely distributive lattice.
AH Stone +27 more
core +1 more source
Towards free localic algebras [PDF]
The purpose of this paper is to establish that the underlying objectfunctor from the models of a Lawvere theory to the base category creates limitsand coequalisers of all parallel pairs of homomorphisms whose underlying pairadmit a split coequaliser.
Inderasan Naidoo +2 more
core +1 more source
Internal Neighbourhood Structures II: Closure and closed morphisms
, 2021 Internal preneighbourhood spaces were initiated in \cite{2020}{.} The present paper introduces a closure operator on an internal preneighbourhood space of a finitely complete category with finite coproducts and a proper $(\mathsf{E}, \mathsf{M})$ system.
Ghosh, Partha Pratim
core
Another closure operator on preneighbourhood spaces [PDF]
The notions of dense, proper, separated or perfect morphisms and hence of compact, Hausdorff or compact Hausdorff are all consequent to good properties of a family of closed morphisms is well known in literature.
Partha Ghosh
core +1 more source
Implications in pseudocomplemented and Stone lattices
Two kinds of the connective implication are introduced as term operations of a pseudocomplemented lattice. It is shown that they share a lot of properties with the intuitionistic implication based on Heyting algebras.
Chajda, Ivan, Länger, Helmut
core
Induced orthogonality in semilattices with 0 and in pseudocomplemented lattices and posets
On an arbitrary meet-semilattice S with 0 we define an orthogonality relation and investigate the lattice Cl(S) of all subsets of S closed under this orthogonality. We show that if S is atomic then Cl(S) is a complete atomic Boolean algebra.
Chajda, Ivan +2 more
core