Results 21 to 30 of about 178,696 (298)

Superhydrophobic surfaces: a model approach to predict contact angle and surface energy of soil particles [PDF]

open access: yes, 2009
Wettability of soil affects a wide variety of processes including infiltration, preferential flow and surface runoff. The problem of determining contact angles and surface energy of powders, such as soil particles, remains unsolved.
Bachmann, Jörg   +3 more
core   +1 more source

Characterizations of Some Special Space-like Curves in Minkowski Space-time [PDF]

open access: yes, 2008
In this work, a system of differential equation on Minkowski space-time, a special case of Smarandache geometries, whose solution gives the components of a space-like curve on Frenet axis is constructed by means of Frenet equations.
Turgut, Melih, Yilmaz, Suha
core   +1 more source

Algebraic Cycles and Special Horikawa Surfaces [PDF]

open access: yesActa Mathematica Vietnamica, 2021
15 pages, to appear in Acta Math.
openaire   +2 more sources

The Arithmetic and Geometry of a Class of Algebraic Surfaces of General Type and Geometric Genus One [PDF]

open access: yes, 2010
We study of a class of algebraic surfaces of general type and geometric genus one, with a view toward arithmetic results. These surfaces, called CC surfaces here, have been classified over the complex numbers by Catanese and Ciliberto.
Lyons, Christopher Michael
core   +1 more source

SPECIAL VALUES OF THE ZETA FUNCTION OF AN ARITHMETIC SURFACE [PDF]

open access: yesJournal of the Institute of Mathematics of Jussieu, 2021
AbstractWe prove that the special-value conjecture for the zeta function of a proper, regular, flat arithmetic surface formulated in [6] at$s=1$is equivalent to the Birch and Swinnerton-Dyer conjecture for the Jacobian of the generic fibre. There are two key results in the proof.
Matthias Flach, Daniel Siebel
openaire   +3 more sources

The design and manufacture of biomedical surfaces [PDF]

open access: yes, 2007
Surfaces are the primary place of contact between a biomaterial and its host organism. Typically, prostheses have to fulfil demanding structural and mechanical requirements, yet the material best for those functions may be bio- incompatible.
Alcock, Jeffrey R.   +13 more
core   +1 more source

Surfaces of Constant Curvature in the Pseudo-Galilean Space

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2012
We develop the local theory of surfaces immersed in the pseudo-Galilean space, a special type of Cayley-Klein spaces. We define principal, Gaussian, and mean curvatures.
Željka Milin Šipuš, Blaženka Divjak
doaj   +1 more source

On extra-special Enriques surfaces

open access: yes, 2022
We refine Cossec and Dolgachev's classification of extra-special Enriques surfaces, providing a complete and concise proof.Comment: 9 ...
Mezzedimi, Giacomo   +2 more
core   +1 more source

New characterization of b-m2 developable surfaces

open access: yesActa Scientiarum: Technology, 2015
In this paper, b-m2 developable surfaces of biharmonic b-slant helices in the special three-dimensional Ricci symmetric para-Sasakian manifold P is studied.
Talat Körpınar
doaj   +1 more source

Diameter Bounds on the Complex of Minimal Genus Seifert Surfaces for Hyperbolic Knot [PDF]

open access: yes, 2007
Given a link L in the 3-sphere, one can build simplicial complexes MS(L) and IS(L), called the Kakimizu complexes. These complexes have isotopy classes of minimal genus and incompressible Seifert surfaces for L as their vertex sets and have simplicial ...
Pelayo, Roberto Carlos
core   +1 more source

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