Results 111 to 120 of about 3,634,484 (348)

On the degree of the polynomial defining a planar algebraic curves of constant width

open access: yes, 2013
In this paper, we consider a family of closed planar algebraic curves $\mathcal{C}$ which are given in parametrization form via a trigonometric polynomial $p$.
Bardet, Magali, Bayen, Térence
core   +1 more source

Generalizing Gelatin Methacryloyl Granular Hydrogel Fabrication Using Stable Microgels with Predictable Stiffness

open access: yesAdvanced Healthcare Materials, EarlyView.
Gelatin methacryloyl (GelMA) granular hydrogel scaffolds (GHS) are fabricated using a generalized two‐step photocrosslinking approach to yield stable (non‐dissolving) microgels suitable for in situ covalent assembly under physiological conditions. A phase diagram is developed to define the interplay between individual microgel stability and scaffold ...
Yuanhui Xiang   +4 more
wiley   +1 more source

Trigonometric polynomial solutions of equivariant trigonometric polynomial Abel differential equations

open access: yesElectronic Journal of Differential Equations, 2017
Let $A(\theta)$ non-constant and $B_j(\theta)$ for $j=0,1,2,3$ be real trigonometric polynomials of degree at most $\eta \ge 1$ in the variable x. Then the real equivariant trigonometric polynomial Abel differential equations $A(\theta) y' =B_1(\theta)
Claudia Valls
doaj  

Generalized Chebyshev Polynomials

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2018
Let h(x) be a non constant polynomial with rational coefficients. Our aim is to introduce the h(x)-Chebyshev polynomials of the first and second kind Tn and Un. We show that they are in a ℚ-vectorial subspace En(x) of ℚ[x] of dimension n.
Abchiche Mourad, Belbachir Hacéne
doaj   +1 more source

On the Complexity of Random Quantum Computations and the Jones Polynomial [PDF]

open access: yes, 2017
There is a natural relationship between Jones polynomials and quantum computation. We use this relationship to show that the complexity of evaluating relative-error approximations of Jones polynomials can be used to bound the classical complexity of ...
Bremner, Michael J., Mann, Ryan L.
core   +2 more sources

Si Inhibited Osteoclastogenesis: The Role of Fe and the Fenton Reaction

open access: yesAdvanced Healthcare Materials, EarlyView.
Silicate (Si) inhibition of osteoclastogenesis, is mediated by Fe. Si chemical interactions with Fe inhibit the Fenton reaction and intercellular ROS availability. This reduction in ROS availability inhibits osteoclastogenesis. The addition of Fe, in Si‐inhibited osteoclast cultures, restores the Fenton reaction, and osteoclastogenesis.
Yutong Li   +7 more
wiley   +1 more source

Integral method from even to odd order for trigonometric B-spline basis

open access: yesAIMS Mathematics
The conventional trigonometric B-spline basis of odd order for piecewise trigonometric polynomial space possesses a lot of good modeling properties. However, its order cannot be increased by the integral method like B-spline because of the particularity ...
Mei Li, Wanqiang Shen
doaj   +1 more source

Model Order Selection From Noisy Polynomial Data Without Using Any Polynomial Coefficients

open access: yesIEEE Access, 2020
Given a set of noisy data values from a polynomial, determining the degree and coefficients of the polynomial is a problem of polynomial regressions. Polynomial regressions are very common in engineering, science, and other disciplines, and it is at the ...
Asoke K. Nandi
doaj   +1 more source

On a linear program for minimum-weight triangulation [PDF]

open access: yes, 2014
Minimum-weight triangulation (MWT) is NP-hard. It has a polynomial-time constant-factor approximation algorithm, and a variety of effective polynomial-time heuristics that, for many instances, can find the exact MWT.
Young, NE, Yousefi, A
core  

Coagulation Matters: ATIII‐Enriched Biomolecular Corona Enhances the Hemocompatibility of PEG Nanoparticles

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineering of a functional protein corona with a synergistic heparin‐ATIII complex significantly improves hemocompatibility of PEG nanoparticles. Through deliberate engineering of the protein corona, a 4‐fold reduction in coagulation activation (F1 + 2) without inducing adverse thromboinflammatory reactions (CD11b, C5a) is achieved without disrupting ...
Vaidehi Londhe   +5 more
wiley   +1 more source

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