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Search Results: 1 - 10 of 3247 matches for " Marty Ross "
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Marching in squares
Burkard Polster,Marty Ross
Mathematics , 2015,
Abstract: In this articles we consider very mathematical (if not very plausible) geometric marching. Our marchers will exhibit beautiful mathematics, some familiar and some less so. In a final summary section we discuss the point of all the fancy footwork.
Mathematical table turning revisited
Bill Baritompa,Rainer L"owen,Burkard Polster,Marty Ross
Mathematics , 2005,
Abstract: We investigate under which conditions a rectangular table can be placed with all four feet touching a continuous ground by turning it on the spot.
Overview of Electrochemical DNA Biosensors: New Approaches to Detect the Expression of Life
Stefano Cagnin,Marcelo Caraballo,Carlotta Guiducci,Paolo Martini,Marty Ross,Mark SantaAna,David Danley,Todd West,Gerolamo Lanfranchi
Sensors , 2009, DOI: 10.3390/s90403122
Abstract: DNA microarrays are an important tool with a variety of applications in gene expression studies, genotyping, pharmacogenomics, pathogen classification, drug discovery, sequencing and molecular diagnostics. They are having a strong impact in medical diagnostics for cancer, toxicology and infectious disease applications. A series of papers have been published describing DNA biochips as alternative to conventional microarray platforms to facilitate and ameliorate the signal readout. In this review, we will consider the different methods proposed for biochip construction, focusing on electrochemical detection of DNA. We also introduce a novel single-stranded DNA platform performing high-throughput SNP detection and gene expression profiling.
Counterinsurgency and the People's War in El Salvador
Marty Villalobos
Kasarinlan : Philippine Journal of Third World Studies , 1987,
Abstract: Low Intensity Conflict (LIC) advocates “total war” in all fronts—economic, social, political, and psychological. El Salvador has served as the main model for the application of LIC. In this study, the author will look into how the anti-imperialist or revolutionary forces in El Salvador responded to LIC and how they were able to frustrate this counter-insurgency scheme of the United States and the Duarte regime. He will also tackle how these forces further developed their revolutionary struggle. The paper will deal mainly with the Salvadoran situation from 1981 up to the present.
Vers une narratologie naturelle de la musique
Nicolas Marty
Cahiers de Narratologie , 2011, DOI: 10.4000/narratologie.6476
Abstract: Grace à l’étude du modèle de la narratologie naturelle de Monika Fludernik, nous souhaitons montrer qu’il est possible d’envisager une narratologie naturelle de la musique, prenant en compte tous les phénomènes sémiotiques, sémantiques et narratifs présents dans l’écoute de la musique. Nous ouvrons de plus la question de la différence observable entre les narrativisations opérées par les musiciens experts et celles opérées par les non-experts. Following Monika Fludernik’s frame for a “natural” narratology, we wish to demonstrate that it is in fact possible to think of “natural” narratology for music, which would consider every semiotic, semantic and narrative phenomenon found in the listening of music. We then open the question of the apparent difference between music experts’ and non-experts’ “narrativizations”.
The origins and concentrations of water, carbon, nitrogen and noble gases on Earth
Bernard Marty
Physics , 2014, DOI: 10.1016/j.epsl.2011.10.040
Abstract: The isotopic compositions of terrestrial hydrogen and nitrogen are clearly different from those of the nebular gas from which the solar system formed, and also differ from most of cometary values. Terrestrial N and H isotopic compositions are in the range of values characterizing primitive meteorites, which suggests that water, nitrogen, and other volatile elements on Earth originated from a cosmochemical reservoir that also sourced the parent bodies of primitive meteorites. Remnants of the proto-solar nebula (PSN) are still present in the mantle, presumably signing the sequestration of PSN gas at an early stage of planetary growth. The contribution of cometary volatiles appears limited to a few percents at most of the total volatile inventory of the Earth. The isotope signatures of H, N, Ne and Ar can be explained by mixing between two end-members of solar and chondritic compositions, respectively, and do not require isotopic fractionation during hydrodynamic escape of an early atmosphere. The terrestrial inventory of 40Ar (produced by the decay of 40K throughout the Earth's history) suggests that a significant fraction of radiogenic argon may be still trapped in the silicate Earth. By normalizing other volatile element abundances to this isotope, it is proposed that the Earth is not as volatile-poor as previously thought. Our planet may indeed contain up to ~3000 ppm water (preferred range : 1000-3000 ppm), and up to ~500 ppm C, both largely sequestrated in the solid Earth. This volatile content is equivalent to a ~2 (+/-1) % contribution of carbonaceous chondrite (CI-CM) material to a dry proto-Earth, which is higher than the contribution of chondritic material advocated to account for the platinum group element budget of the mantle. Such a (relatively) high contribution of volatile-rich matter is consistent with the accretion of a few wet planetesimals during Earth accretion.
Relative Zariski Open Objects
Florian Marty
Mathematics , 2007,
Abstract: In [TV], Bertrand To\"en and Michel Vaqui\'e define a scheme theory for a closed monoidal category $(\mathcal{C},\otimes,1)$. One of the key ingredients of this theory is the definition of a Zariski topology on the category of commutative monoids in $\mathcal{C}$. The purpose of this article is to prove that under some hypotheses, Zariski open subobjects of affine schemes can be classified almost as in the usual case of rings $(Z-mod,\otimes,Z)$. The main result states that for any commutative monoid $A$, the locale of Zariski open subobjects of the affine scheme $Spec(A)$ is associated to a topological space whose points are prime ideals of $A$ and open subsets are defined by the same formula as in rings. As a consequence, we compare the notions of scheme over $\mathbb{F}_{1}$ of [D] and [TV].
Smoothness in Relative Geometry
Florian Marty
Mathematics , 2008,
Abstract: In \cite{tva}, Bertrand Toen and Michel Vaquie defined a scheme theory for a closed monoidal category $(C,\otimes,1)$. In this article, we define a notion of smoothness in this relative (and not necesarilly additive) context which generalizes the notion of smoothness in the category of rings. This generalisation consists practically in changing homological finiteness conditions into homotopical ones using Dold-Kahn correspondance. To do this, we provide the category $sC$ of simplicial objects in a monoidal category and all the categories $sA-mod$, $sA-alg$ ($a\in sComm(C)$) with compatible model structures using the work of Rezk in \cite{r}. We give then a general notions of smoothness in $sComm(C)$. We prove that this notion is a generalisation of the notion of smooth morphism in the category of rings and provide some examples of smooth morphisms in $N-alg$, $Comm(Set)$ and Comm(C).
Resolution of Chronic Subdural Hematoma after Treatment with Tumor Necrosis Factor Alpha Inhibitor  [PDF]
Donald Ross
Neuroscience & Medicine (NM) , 2011, DOI: 10.4236/nm.2011.24045
Abstract: Background and Importance: Chronic subdural hematomas (cSDH) are a common problem for which solutions remain imperfect. Surgery is effective, but not without risk. Recent data have suggested a role for inflammation in the genesis of cSDH and several reports have documented some benefit to steroid treatment. In this report, a possible role for tumor necrosis factor alpha blockade in the resolution of a multiply recurrent cSDH is described. Clinical Presentation: An 86-year-old man with rheumatoid arthritis treated with infliximab presented with a large, symptomatic, multiloculated cSDH. Infliximab was withheld and craniotomy for evacuation was uncomplicated, but recurrent symptoms were noted and a recurrence was operated upon again several weeks later. Follow up CT showed a second recurrence. The patient requested to go back on his infliximab due to painful arthralgias. After a single dose of 10 mg/kg, follow up CT showed that the cSDH resolved and did not recur. Conclusion: Anti-TNF-alpha treatment with infliximab may have played a role in the resolution of this patient’s cSDH. Further investigation of this possible effect seems warranted.
Endometriosis of the Inguinal Region, Case Report  [PDF]
Nagui Ross
International Journal of Clinical Medicine (IJCM) , 2014, DOI: 10.4236/ijcm.2014.513108
Abstract:

Endometriosis of the groin is a rare condition, with only 40 cases reported in literature. We here present 2 cases of this rare condition presented in the Shouldice Clinic, Thornhill, Ontario, Canada.

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