Results 101 to 110 of about 1,726,318 (276)

Spectral Submanifolds of Delay Systems: Control in Continuous and Discrete Time

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT This paper presents both continuous‐time and discretization‐based approaches for constructing spectral submanifolds (SSMs) for time delay systems. The continuous‐time approach built upon sun–star calculus, reformulates the governing delay differential equation (DDE) as an operator differential equation (OpDE).
Bence Szaksz   +2 more
wiley   +1 more source

Proportional representation review

open access: yes, 1914
Includes supplements.Includes supplements.Mode of access: Internet.Organ of the Proportional Representation League (called, 1914-1920, American Proportional Representation League).The Proportional representation review (v. 1-3) was issued in Chicago from
American Proportional Representation League.   +1 more
core  

Multitarget error estimation and adaptivity in aerodynamic flow simulations [PDF]

open access: yes, 2008
Important quantities in aerodynamic flow simulations are the aerodynamic force coefficients including the pressure induced and the viscous stress induced drag, lift and moment coefficients.
Hartmann, Ralf, Ralf Hartmann
core   +1 more source

Navigating the Early Years: A Guide for New Faculty Traverser les premières années : un guide à l'intention des jeunes chercheurs

open access: yesAccounting Perspectives, EarlyView.
ABSTRACT The transition from doctoral student to tenure‐track assistant professor marks a critical juncture in an academic career. This conceptual commentary offers experience‐based insights for early‐career accounting faculty, addressing the distinct pressures of a discipline shaped by professional certification requirements, diverse institutional ...
Seda Oz, Steve Fortin, Christopher Wong
wiley   +1 more source

Nonabelian fluids and helicities

open access: yesJournal of High Energy Physics
In analogy with the non-Abelian gauge helicities conserved in time for “null fields”, that we have defined previously, in this paper we first define non-Abelian fluid helicities and then total non-Abelian helicities for combined non-Abelian fluid and ...
Horatiu Nastase, Jacob Sonnenschein
doaj   +1 more source

The canonical basis of the quantum adjoint representation

open access: yes, 2018
We identify the canonical basis of the quantum adjoint representation of a quantized enveloping algebra with a basis that we defined before the theory of canonical bases was available.
Lusztig, George
core   +1 more source

Time‐dependent sensitivity of R0$$ {\boldsymbol{R}}_{\mathbf{0}} $$ and other threshold parameters in seasonal ecological and epidemiological dynamics

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Periodically driven systems are ubiquitous in nature, and their stability against perturbations such as the introduction of a novel pathogens or invasive species is often a major concern. To better understand and control these systems, it is common to assess the sensitivity to changes in the model parameters of stability threshold quantities ...
Wee Hao Ng   +3 more
wiley   +1 more source

Electroweak gauge invariant Higgs multiplets

open access: yesJournal of High Energy Physics
We investigate the potential of general Higgs multiplets. We establish the domain of general Higgs multiplets within the context of the adjoint representation.
M. Maniatis
doaj   +1 more source

Comparison between Gradient-free and Adjoint Based Aerodynamic Optimization of a Flying Wing Transport Aircraft in the Preliminary Design. [PDF]

open access: yes, 2007
This paper describes investigations of planform and shape optimizations for a flying wing transport aircraft with an Euler continuous adjoint method.
Arno, Ronzheimer   +2 more
core  

Hierarchical Differentiable Fluid Simulation

open access: yesComputer Graphics Forum, EarlyView.
We introduce a two‐step algorithm that significantly reduces memory usage for solving control problems using differentiable fluid simulation techniques: our method first optimizes for bulk forces at reduced resolution, then refines local details over sub‐domains while maintaining differentiability. In trading runtime for memory, it enables optimization
Xiangyu Kong   +4 more
wiley   +1 more source

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