Sentences with phrase «by stochastic»

«The false assumption is that the period 1880 — 1935 is purely governed by stochastic processes, whereas in reality there as already a change in climate forcing in that period (from solar, volcanic and GHG).»

The longer persistence of soil water properties can be explained by the stochastic drought model concept captured by Eq.

The chaotic features may also be smoothened and effectively removed by stochastic influences.

The chaotic version is just included for completeness because it could happen where the deterministic behavior is not removed by stochastic disturbances.

«Natural climatic variation is quantified by the stochastic uncertainty envelope of historical and paleo data, embodying the nonlinear chaotic interaction of atmospheric, oceanic, volcanic, solar, and galactic processes, including climate persistence quantified by Hurst - Kolmogorov dynamics.»

I propose the following Climatic null hypothesis that: «Natural climatic variation is quantified by the stochastic uncertainty envelope of historical and paleo data, embodying the nonlinear chaotic interaction of atmospheric, oceanic, volcanic, solar, and galactic processes, including climate persistence quantified by Hurst - Kolmogorov dynamics.»

Our papers on DO events triggered by stochastic resonance are here and here.

«As one of the reviewers noted, the essence of it is remarkably simple: use the stochastic approach to determine what is important and the deterministic approach to determine the important, while correcting for the information missed by stochastic sampling.»

C. albicans is known to undergo a parasexual cycle involving heterothallic fusion of α and a mating type cells followed by stochastic, concerted loss of chromosomes [44].

In situations where ratios become increasingly complex, or the fractions have larger denominators, the mix of cells might be more easily achieved by stochastic means, without basic units.

The study, said George V. Nazin, a professor of physical chemistry, modeled the behavior often observed in carbon nanotube - based electronic devices, where electronic traps are induced by stochastic external charges in the immediate vicinity of the nanotubes.

In the classical picture, nucleation is considered to take place in a solution of ions that has become supersaturated, leading to the nucleation of the solid phase by stochastic solute clustering, and the earliest crystal precursor is considered to be a cluster of critical size (14, 15).

The choice between these possible futures is made, in a condition of chemical instability, by stochastic (nondeterministic) processes, such as random internal fluctuations of the system.

The signal for DI below level ten will be established by the Stochastic Oscillator (5,3,3).

This was consequently confirmed by stochastics when a sell signal was printed.

Not exact matches

The stochastic discount factor is time varying and by just the right amount to explain the variance in returns (and the high volatility of the stock market).

This foundational course provides a broad overview of approaches in applied mathematics, covering both deterministic and stochastic methods, with an emphasis on ecological questions, and is taken by general mathematics students who wish to obtain an introduction to graduate - level applied math, as well as by our students who are specifically interested in mathematical biology.

The rules of stochastic geometry are thereby enriched by tree geometry relationships, and the resulting tree packing system is compared to inventory data from tropical forests in Panama and Sri Lanka.

By combining concepts from landscape ecology and Markowitz portfolio theory, they developed the landscape portfolio platform to quantify and predict the behaviour of multiple stochastic populations across spatial scales.

By building a physical framework for this motion, we can identify key factors in the nuclear structure and function as well as expand the field of stochastic polymer dynamics.

By developing methods for systematically solving such equations, Hairer's work «allows one to give a rigorous meaning to a bunch of stochastic PDEs», says Ofer Zeitouni of the University of Minnesota in Minneapolis.

The methodology developed in Lovejoy's two recent papers could also be used by researchers to help analyze precipitation trends and regional climate variability and to develop new stochastic methods of climate forecasting, he adds.

It's highly stochastic — it's affected by many factors, including the weather.»

Their analysis reveals that linear, stochastic scattering by intense, natural very low - frequency radio waves — known as chorus waves — in Earth's upper atmosphere can account for the observed relativistic electron build - up.

Johanna Grames investigated these questions as part of her PhD thesis supervised by Prof. Alexia Fürnkranz - Prskawetz at the Institute of Stochastics and Mathematical Methods in Economics at TU Wien.

Here we use a stochastic, two - sex computational model implemented by computer simulation to show how male mating preference for younger females could lead to the accumulation of mutations deleterious to female fertility and thus produce a menopausal period.

Eventually, simulations produced mutation - selection balance (or alternatively, fixation) in which the introduction of new mutations was balanced by the elimination, through stochastic deaths, of existing mutations.

As an aside, it is also easy to get an apparent coherence between two band - pass filtered stochastic series of finite extent which are unrelated by definition — a common weakness in many studies on solar - terrestrial climate connection.

* Stochastic catastrophism * involves an assumption that Earth is hit randomly by lumps (asteroids, comets, meteoroids).

This was accomplished using a stochastic climate model based on the concept that ocean temperature variability is a slow dynamical system, a red noise signal, generated by integrating stochastic atmospheric forcing, or white noise71.

His research interests are single - molecule fluorescence spectroscopy and imaging, with a particular focus on super-resolution fluorescence imaging by direct stochastic optical reconstruction microscopy (dSTORM) and its applications in neurobiology and immunology.

Miguel Coelho (Tolić - Nørrelykke, MPG)-- «Ageing by passive aggregation and stochastic distribution of protein aggregates» (2012)

Rfam is a comprehensive collection of non-coding RNA (ncRNA) families, represented by multiple sequence alignments and profile stochastic context - free grammars.

The group provides details for a new way of obtaining highly accurate electronic energies by merging the deterministic coupled - cluster approaches and stochastic sampling using probability concepts.

A reactor physicist by education and training, Mr. Marcille became the GE - Nuclear Chief Technologist and responsible engineer for control blades, nuclear fuel design and performance, spent fuel criticality and thermal management, nuclear cross-sections and deterministic and stochastic methods.

It is suggested that Gaussian patterns identified may be further extrapolated into discrete distributes as stochastic, discrete functions enable characterization of plant species in terms of different secondary metabolic groups (e.g. by plant product).

Pricing Callable Bonds with Stochastic Interest Rate and Stochastic Default Risk: A 3D Finite Difference Model by David Wang of Hsuan Chuang University (62K PDF)-- 10 pages — February 2005

Ratings - Based Pricing and Stochastic Spreads by Mariam Harfush - Pardo of Risk Control Limited Robert Lamb of Imperial College, and William Perraudin of Imperial College (292K PDF)-- 33 pages — September 2007

We have adapted it for swing trading by observing the weekly chart for trends and the daily chart for stochastic entries.

Stochastic - Definition, Applications and Much More by: Colibri Trader Stochastic Definition What is Stochastic?

Trading 101: How to Use the Stochastic Oscillator by EWI's Jeffrey Kennedy 2.

Stochastic is calculated by taking the lowest low price and the highest high price for a number of previous trading periods, usually fourteen.

But here it is: «Combining Stochastic Simulations and Actuarial Withdrawals into One Model» by Larry R. Frank, Sr. and Shawn Brayman.

The cost of retirement, also known as the stochastic (or random) present value of retirement, was the actual cost of paying for a given income in retirement when the unknown variables of longevity and asset returns were allowed to occur by chance.

ex4 custom indicator stands for «double smoothed stochastic» and was designed by Walter Bressert.

«Volcanoes are a stochastic system, many complexities are unknown by the human brain and technology.»

These paintings paint themselves by application of very simple rules and from this process new models of experience emerge that suggest a broad consilience of form and stochastic connectivity.

[Response: Red noise is produced by a kind of stochastic process that has more variability at longer time scales than at shorter time scales.

I realize of course that this is conjecture, and other explanations such as e.g. stochastic behavior or modulation by other modes of variability are perhaps more likely to be correct.

The weather is what is particular, whereas the climate itself is a statistical description of what particulars we can expect to find as the result of the stochastic process by which a climate system evolves.