Results 11 to 20 of about 178,696 (298)

Special triple covers of algebraic surfaces

open access: yesDocumenta Mathematica, 2022
We study special triple covers f:T\to S of algebraic surfaces, where the Tschirnhausen bundle \mathcal{E}=\left(f_*\mathcal{O}_T/\mathcal{O}_S\right)^\vee is a ...
Nicolina Istrati   +2 more
openaire   +3 more sources

Special homogeneous surfaces

open access: yesMathematical Proceedings of the Cambridge Philosophical Society, 2023
AbstractWe classify hyperbolic polynomials in two real variables that admit a transitive action on some component of their hyperbolic level sets. Such surfaces are called special homogeneous surfaces, and they are equipped with a natural Riemannian metric obtained by restricting the negative Hessian of their defining polynomial.
Lindemann, David   +1 more
openaire   +3 more sources

Some Special Integrable Surfaces [PDF]

open access: yesJournal of Nonlinear Mathematical Physics, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gürses M.
openaire   +4 more sources

Fluids and Surfaces [PDF]

open access: yesFluids
Fluids is pleased to present a Special Issue named “Fluids and Surfaces”, a curated collection of ten research articles focused on capillary phenomena and the interaction between fluids and surfaces [...]
Manfredo Guilizzoni
doaj   +2 more sources

Cubic surfaces with special periods [PDF]

open access: yesProceedings of the American Mathematical Society, 2013
We study special values of the point in the unit ball (period) associated to a cubic surface. We show that this point has coordinates in Q
Carlson, James A., Toledo, Domingo
openaire   +3 more sources

Special Issue on Enhancement of Titanium Dental Implant/Abutment Surfaces

open access: yesApplied Sciences, 2022
In the last decades, there has been an increasing effort in enhancing the surface of dental implants and abutments, as a challenge to improve the osseointegration process and implant rehabilitation success [...]
Paolo Pesce   +2 more
doaj   +1 more source

Height estimate for special Weingarten surfaces of elliptic type in ${\mathbb M}^2(c) \times \mathbb {R}$

open access: yesProceedings of the American Mathematical Society, Series B, 2014
In this article we provide a vertical height estimate for compact special Weingarten surfaces of elliptic type in 𝕄²(𝕔)×ℝ, i.e. surfaces whose mean curvature ℍ and extrinsic Gauss curvature 𝕂ₑ satisfy ℍ=𝕗(ℍ²-𝕂ₑ) with 4𝕩(𝕗’(
Filippo Morabito
doaj   +1 more source

Calabi–Yau threefolds and moduli of abelian surfaces I [PDF]

open access: yes, 2001
We describe birational models and decide the rationality/unirationality of moduli spaces $\cal A$d (and $\cal A$levd) of (1, d)-polarized Abelian surfaces (with canonical level structure, respectively) for small values of d.
Sorin Popescu   +3 more
core   +1 more source

On the arithmetic of del Pezzo surfaces of degree 2 [PDF]

open access: yes, 2004
We study the arithmetic of certain del Pezzo surfaces of degree 2. We produce examples of Brauer-Manin obstruction to the Hasse principle, coming from 2- and 4-torsion elements in the Brauer ...
Kresch, A.   +5 more
core   +1 more source

Polydimethylsiloxane based sustainable hydrophobic/oleophilic coatings for oil/water separation: A review

open access: yesCleaner Materials, 2022
Recently, engineered surfaces with special wetting behavior such as superhydrophobic and superoleophilic have gained remarkable attention of scientific community for efficiently oil/water separation application.
Lipika, Arun K. Singh
doaj   +1 more source

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