Results 111 to 120 of about 114,095,801 (232)

(Fuzzy) Ideals of BN-Algebras. [PDF]

open access: yesScientificWorldJournal, 2015
Dymek G, Walendziak A.
europepmc   +1 more source

New views of some invariants associated with the Cartesian 2D velocity gradient tensor

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Vorticity and divergence of horizontal flow are fundamental quantities in meteorology; both are linear functions of the four elements of the 2D velocity gradient tensor and both are formally unchanged under coordinate rotation. We explore four quadratic functions of the elements that are geometrically invariant in this sense, finding some novel ...
I. Roulstone, S. A. Clough, A. A. White
wiley   +1 more source

Group Structures and Derivations on  <i>PMS</i>-algebras. [PDF]

open access: yesF1000Res
Melese Kassahun N   +3 more
europepmc   +1 more source

No-cycle algebras and representation theory [PDF]

open access: yes
In the first half of this dissertation we study certain quotient algebras of preprojective algebras called no-cycle algebras N. These are studied via one-cycle algebras, which are introduced here.
Boddington, Paul
core  

Low‐order system for eddy growth in the storm track

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Reanalysis data for the North Atlantic storm track are used to construct a low‐order model that optimally fits the observed interaction between the mean flow and baroclinic eddies. The resulting model is a certain type of predator–prey model. It explains various properties of the storm track, including why eddies grow linearly with the Eady growth rate,
Maarten H. P. Ambaum, Thomas H. A. Frame
wiley   +1 more source

On <i>t</i>-derivations of PMS-algebras. [PDF]

open access: yesF1000Res
Melese Kassahun N   +3 more
europepmc   +1 more source

On weak-BCC-algebras. [PDF]

open access: yesScientificWorldJournal, 2013
Thomys J, Zhang X.
europepmc   +1 more source

Optimal Homogeneous ℒp$$ {\boldsymbol{\mathcal{L}}}_{\boldsymbol{p}} $$‐Gain Controller

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Nonlinear ℋ∞$$ {\mathscr{H}}_{\infty } $$‐controllers are designed for arbitrarily weighted, continuous homogeneous systems with a focus on systems affine in the control input. Based on the homogeneous ℒp$$ {\mathcal{L}}_p $$‐norm, the input–output behavior is quantified in terms of the homogeneous ℒp$$ {\mathcal{L}}_p $$‐gain as a ...
Daipeng Zhang   +3 more
wiley   +1 more source

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