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Search Results: 1 - 10 of 1151 matches for " Jaclyn Clement Kinney "
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Recent Advances in Arctic Ocean Studies Employing Models from the Arctic Ocean Model Intercomparison Project
Andrey Proshutinsky,Yevgeny Aksenov |,Jaclyn Clement Kinney,Rüdiger Gerdes
Oceanography , 2011,
Abstract: Observational data show that the Arctic Ocean has significantly and rapidly changed over the last few decades, which is unprecedented in the observational record. Air and water temperatures have increased, sea ice volume and extent have decreased, permafrost has thawed, storminess has increased, sea level has risen, coastal erosion has progressed, and biological processes have become more complex and diverse. In addition, there are socio-economic impacts of Arctic environmental change on Arctic residents and the world, associated with tourism, oil and gas exploration, navigation, military operations, trade, and industry. This paper discusses important results of the Arctic Ocean Model Intercomparison Project, which is advancing the role of numerical modeling in Arctic Ocean and sea ice research by stimulating national and international synergies for high-latitude research.
Phase diagram of electrostatically doped Strontium Titanate (SrTiO3)
Yeonbae Lee,Colin Clement,Jack Hellerstedt,Joseph Kinney,Laura Kinnischtzke,S. D. Snyder,A. M. Goldman
Physics , 2011, DOI: 10.1103/PhysRevLett.106.136809
Abstract: Electric double layer transistor configurations have been employed to electrostatically dope single crystals of insulating SrTiO_{3}. Here we report on the results of such doping over broad ranges of temperature and carrier concentration employing an ionic liquid as the gate dielectric. The surprising results are, with increasing carrier concentration, an apparent carrier-density dependent conductor-insulator transition, a regime of anomalous Hall effect, suggesting magnetic ordering, and finally the appearance of superconductivity. The possible appearance of magnetic order near the boundary between the insulating and superconducting regimes is reminiscent of effects associated with quantum critical behavior in some complex compounds.
On the image of the Galois representation associated to a non-CM Hida family
Jaclyn Lang
Mathematics , 2014,
Abstract: Fix a prime $p > 2$. Let $\rho : \text{Gal}(\overline{\mathbb{Q}}/\mathbb{Q}) \to \text{GL}_2(\mathbb{I})$ be the Galois representation coming from a non-CM irreducible component $\mathbb{I}$ of Hida's $p$-ordinary Hecke algebra. Assume the residual representation $\bar{\rho}$ is absolutely irreducible. Under a minor technical condition we identify a subring $\mathbb{I}_0$ of $\mathbb{I}$ containing $\mathbb{Z}_p[[T]]$ such that the image of $\rho$ is large with respect to $\mathbb{I}_0$. That is, $\text{Im} \rho$ contains $\text{ker}(\text{SL}_2(\mathbb{I}_0) \to \text{SL}_2(\mathbb{I}_0/\mathfrak{a}))$ for some non-zero $\mathbb{I}_0$-ideal $\mathfrak{a}$. This paper builds on recent work of Hida who showed that the image of such a Galois representation is large with respect to $\mathbb{Z}_p[[T]]$. Our result is an $\mathbb{I}$-adic analogue of the description of the image of the Galois representation attached to a non-CM classical modular form obtained by Ribet and Momose in the 1980s.
Ito’s Formula for the Discrete-Time Quantum Walk in Two Dimensions  [PDF]
Clement Ampadu
Journal of Quantum Information Science (JQIS) , 2012, DOI: 10.4236/jqis.2012.22008
Abstract: Following Konno [1], it is natural to ask: What is the Ito’s formula for the discrete time quantum walk on a graph different than Z, the set of integers? In this paper we answer the question for the discrete time quantum walk on Z2, the square lattice.
On Some Questions of C. Ampadu Associated with the Quantum Random Walk  [PDF]
Clement Ampadu
Applied Mathematics (AM) , 2014, DOI: 10.4236/am.2014.519291
Abstract: We review (not exhaustively) the quantum random walk on the line in various settings, and propose some questions that we believe have not been tackled in the literature. In a sense, this article invites the readers (beginner, intermediate, or advanced), to explore the beautiful area of quantum random walks.
Rapid Lab-Scale Microwave-Assisted Extraction and Analysis of Anthropogenic Organic Chemicals in River Sediments  [PDF]
Thomas J Brown, Chad A Kinney
International Journal of Geosciences (IJG) , 2011, DOI: 10.4236/ijg.2011.23029
Abstract: An Ethos EZ Microwave Lab Station is employed in the development of a robust and efficient microwave extraction method for organic contaminants of anthropogenic origin in river sediments. The extraction method is designed for a small, representative set of target compounds encompassing a range of physicochemical properties. Listed in order of gas chromatography elution they are para-cresol, indole, 4-tert-octylphenol, phenanthrene, triclosan, bisphenol-A, carbamazepine, and benzo [a] pyrene. The sediments samples are extracted wet, which reduces preparation time, and allows the ambient moisture of the sediments to aid in microwave energy absorption and the extraction process. The microwave can hold up to 12 samples that can be simultaneously extracted allowing for rapid sample preparation. Utilizing the pressurized vessels, microwave energy, and a unique mixture of three organic solvents allows for multiple samples to be extracted rapidly with minimal solvent consumption. The final extracts are quantified by gas chromatography/mass spectrometry. Recoveries of the 8 target compounds in sediment range from 49% to 113%, and method detection limits range between 14 and 114 μg kg–1, which are comparable with other more time consuming methods.
Metaphoric Topicality in Femi Osofisan’s Drama  [PDF]
Clement O. Ajidahun
Advances in Literary Study (ALS) , 2013, DOI: 10.4236/als.2013.11001
Abstract: This paper examines the functional and the significant role of metaphors in literary works. It discusses the centrality of metaphors as a dominant literary device consciously deployed by Femi Osofisan to project the theme of oppression, dehumanization, social injustice and poverty in his plays. The paper focuses on the use of animal and predatory metaphors in Osofisan’s plays to launch an offensive literary attack on the rich and the ruling elite in the society who use their privileged positions to brazenly oppress and brutalize the poor and the downtrodden. The paper, on the other hand, examines the appropriate use of animal metaphors to enlighten and educate the poor on their precarious condition as preys in the hands of the carnivorous ruling class. Finally, the paper discusses the settings and the titles of Osofisan’s plays, the quest motif and the traditional modes as metaphors for oppression.
Bible Interpretation, Evangelization and Faith: Nigerian Context  [PDF]
Clement I. Osunwokeh
Open Journal of Philosophy (OJPP) , 2014, DOI: 10.4236/ojpp.2014.42026
Abstract:

In Christianity evangelization entails bringing the Good News of Jesus Christ into all the strata of humanity from within and making it new. Evangelization efforts in Nigeria have been going on for more than a century. Indeed it has made a noticeable inroad of growth. The evidence is seen. Thunderous sounds are heard from all corners of villages and cities, of Christian church activities; series of strategies are explored by multitude of Christian denominations aimed at “packaging and selling out” one’s denomination to attract more adherents; imposing and well architectural-designed structures of Christian places of worship are seen in many cities. Yet in the same society, all forms of atrocities and abominations of man’s inhumanity to man, lack of basic Christian virtues of honesty, justice, and respect for sacredness of human life are witnessed. In the light of the foregoing, this paper seeks both to presume the general shallowness of Christian faith in Nigeria and to blame it to flaw in the understanding of the Bible as a Christian text. It critically analyzes the three Christian concepts: Bible interpretation, evangelization and faith, exposing their interrelatedness and the challenges posed by such reality to an authentic Christian living.

3D Mobile Augmented Reality Interface for Laboratory Experiments  [PDF]
Clement Onime, Olatunde Abiona
Int'l J. of Communications, Network and System Sciences (IJCNS) , 2016, DOI: 10.4236/ijcns.2016.94006
Abstract: In fields such as science and engineering, virtual environment is commonly used to provide replacements for practical hands-on laboratories. Sometimes, these environments take the form of a remote interface to the physical laboratory apparatus and at other times, in the form of a complete software implementation that simulates the laboratory apparatus. In this paper, we report on the use of a semi-immersive 3D mobile Augmented Reality (mAR) interface and limited simulations as a replacement for practical hands-on laboratories in science and engineering. The 3D-mAR based interfaces implementations for three different experiments (from micro-electronics, power and communications engineering) are presented; the discovered limitations are discussed along with the results of an evaluation by science and engineering students from two different institutions and plans for future work.
The Impact of Commodity Prices, Interest Rate and Exchange Rate on Stock Market Performance: Evidence from Zambia  [PDF]
Nsama Musawa, Clement Mwaanga
Journal of Financial Risk Management (JFRM) , 2017, DOI: 10.4236/jfrm.2017.63022
Abstract: In 2016, the performance of Capital markets in Africa experienced a downward trend. Notable among them were Zambia, Ghana and Nigeria (http://www.african-markets.com/). The Lusaka Securities Exchange (LuSE) share price index was the worst performer year-to-date, down 26.83% in local currency. Among the contributing factors cited were commodity prices as the country relies on copper for more than 70% of its export revenue and had therefore suffered from commodity prices plunged which led to weakened currencies and widened budget shortfalls (http://www.african-markets.com/). Although the contributing factors are known, their impact on the Zambian stock market is not known. This study was an attempt to establish the impact of commodity prices and macroeconomic factors on the stock market returns. Like in similar studies, Nordin et al. (2014) and Alam & Uddin (2009), we used Auto regression Distribution Lag and Cointegration analysis and the Vector Error Correction model on the variables (stock price index, copper price, oil price, interest rates, and exchange rates) for the period 2004-2016. The findings of the study revealed Interest rates, exchange rates, copper and Oil price jointly have the long and short Run impact on the Lusaka Stock Market, but individually, only interest rates and copper prices had a significant long term impact on the stock market, but in the short run only Copper and Exchange rates had an immediate impact on the stock market. One important policy implication of this study is that it will alert the authorities and the investors on the impact of commodity prices, interest rate, and the exchange rate on the Lusaka Securities Exchange stock market performance.
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