Results 131 to 140 of about 407,904 (307)

On the Quadratic Irrationals, Quadratic Ideals and Indefinite Quadratic Forms

open access: yesIrish Mathematical Society Bulletin, 2006
TEKCAN, AHMET, ÖZDEN, HACER
openaire   +2 more sources

Angled Nozzle Aerosol Jet Printing to Streamline Conformal Patterning of Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
A modular, angled aerosol jet printhead is demonstrated to streamline patterning on nonplanar surfaces, including 90° step edges and confined internal geometries. A detailed analysis of gravitational settling for a sheathed aerosol flow and deconvolution of oblique deposition and gravitational effects supports the versatility of this approach for ...
Louis O. Morgan   +4 more
wiley   +1 more source

The Optimal Linear Quadratic Feedback State Regulator Problem for Index One Descriptor Systems [PDF]

open access: yes
In this note we present both necessary and sufficient conditions for the existence of a linear static state feedback controller if the system is described by an index one descriptor system. A priori no definiteness restrictions are made w.r.t.
Salmah, Y.   +2 more
core  

Multiple Scattering Model for the Coherent Optical Response of Correlated Disordered Plasmonic Metasurfaces

open access: yesAdvanced Optical Materials, EarlyView.
Disordered plasmonic metasurfaces enable advanced control over light scattering through disorder engineering. A theoretical model based on multiple scattering theory is developed to predict the coherent reflection and transmission of light from disordered metasurfaces with arbitrary pair correlations.
Jialin Hu, Kevin Vynck
wiley   +1 more source

Pricing of Defaultable Securities in a Multi-Factor Quadratic Gaussian Model [PDF]

open access: yes
We present the multi-factor quadratic reduced form model for pricing of credit risky securities. We use quadratic Gaussian processes to model the short term interest rate and the intensity of default showing that we get tractable formulas for the price ...
Samson Assefa
core  

Massively Degenerate Coherent Perfect Absorption in Gradient‐Index Fibers

open access: yesAdvanced Optical Materials, EarlyView.
A coherent perfect absorber (CPA) normally operates for only one or very few spatial modes. The CPA proposed here uses a gradient‐index (GRIN) fiber to absorb hundreds of spatial modes at once, its self‐imaging property replacing the bulky free‐space degenerate cavity of earlier designs. An analytic criterion sets how much modal degeneracy is required,
Helmut Hörner   +2 more
wiley   +1 more source

Quadratic pairs

open access: yesJournal of Algebra, 2004
This paper is a successor of [J. Algebra 258, No. 2, 442-476 (2002; Zbl 1024.20003)] due to the same author. Here he considers the case of a group having a faithful quadratic module over \(\text{GF}(p)\), \(p\) odd, and possessing a component. A module \(V\) over \(\text{GF}(p)\) is said to be quadratic if \([V,A,A]=0\) for some \(p\)-subgroup \(A\) of
openaire   +1 more source

Nonlocomotory Robotic Strategies for Dynamic Rotation Control in Terrestrial Robots: A Review

open access: yesAdvanced Robotics Research, EarlyView.
Terrestrial robots increasingly require rapid body rotation to maintain stability and agility in complex environments. This review shows nonlocomotory rotational control strategies that operate without ground contact, including reaction wheels, tails, bars, limbs, and thrusters.
Y. Liang   +14 more
wiley   +1 more source

Geometric representations of quadratic solutions [PDF]

open access: yes, 2013
textThis report explores several geometric representations of quadratic equations and their solutions. Topics discussed include applications of geometry relating to solving quadratic equations using graphs and constructions as well as deriving compatible
DeMetsenaere, Anna Lisa
core  

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

open access: yesAdvanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds   +2 more
wiley   +1 more source

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