Sulfur Passivation of GaAs Surfaces, (9999)
Passivation of GaAs (100) surfaces with chemical solutions containing P2s5 has been studied using photoluminescence, electrical tests(I-V, C-V), Auger electron and X-ray photoelectron spectroscopies,...
Effects of general anesthetics on visceral pain transmission in the spinal cord (2008)
Wang, Yun, Wu, Jing, Lin, Qing, Nauta, HJ, Yue, Yun, Fang, Li
Abstract Current evidence suggests an analgesic role for the spinal cord action of general anesthetics; however, the cellular population and intracellular mechanisms underlying anti-visceral pain by...
Deconstructing Baryon Acoustic Oscillations: A Comparison of Methods (2008)
Rassat, Anais, Amara, Adam, Amendola, Luca, Castander, Francisco J., Kitching, Thomas, Kunz, Martin, ...
The Baryon Acoustic Oscillations (BAOs) or baryon wiggles which are present in the galaxy power spectrum at scales 100-150Mpc/h are powerful features with which to constrain cosmology. The potential...
Model-Independent Distance Measurements from Gamma-Ray Bursts and Constraints on Dark Energy (2008)
Gamma-Ray Bursts (GRB) are the most energetic events in the Universe, and provide a complementary probe of dark energy by allowing the measurement of cosmic expansion history that extends to...
Nolen, Brian M, Marks, Jeffrey R, Ta'san, Shlomo, Rand, Alex, Luong, The, Wang, Yun, ...
Abstract Introduction Neoadjuvant chemotherapy has become the standard of care for the diverse population of women diagnosed with locally advanced breast cancer. Serum biomarker levels are...
Figure of Merit for Dark Energy Constraints from Current Observational Data (2008)
Choosing the appropriate figure of merit (FoM) for dark energy (DE) constraints is key in comparing different DE experiments. Here we show that for a set of DE parameters {f_i}, it is most intuitive...
Planck priors for dark energy surveys (2008)
Mukherjee, Pia, Kunz, Martin, Parkinson, David, Wang, Yun
Although cosmic microwave background (CMB) anisotropy data alone cannot constrain simultaneously the spatial curvature and the equation of state of dark energy, CMB data provide a valuable addition...
A Note on Convergence Analysis of an SQP-Type Method for Nonlinear Semidefinite Programming (2008)
Yun Wang, Shaowu Zhang, Liwei Zhang
We reinvestigate the convergence properties of the SQP-type method for solving nonlinear semidefinite programming problems studied by Correa and Ramirez (2004). We prove, under the strong...
Application-Specific Quality of Service Constraint Design in Wireless Sensor Networks (2008)
A Wireless Sensor Network (WSN) is usually made up of hundreds or thousands of small sensors, for monitoring environmental changes or events in a given field. On the one hand, a WSN offers the...
Observational approaches to understanding dark energy (2007)
Illuminating the nature of dark energy is one of the most important challenges in cosmology today. In this review I discuss several promising observational approaches to understanding dark energy, in...
Improving the Calibration of Type Ia Supernovae Using Late-time Lightcurves (2007)
The use of Type Ia supernovae (SNe Ia) as cosmological standard candles is a key to solving the mystery of dark energy. Improving the calibration of SNe Ia increases their power as cosmological...
Differentiating dark energy and modified gravity with galaxy redshift surveys (2007)
The observed cosmic acceleration today could be due to an unknown energy component (dark energy), or a modification to general relativity (modified gravity). If dark energy models and modified...
Survey Requirements for Accurate and Precise Photometric Redshifts for Type Ia Supernovae (2007)
Wang, Yun, Narayan, Gautham, Wood-Vasey, Michael
In this paper we advance the simple analytic photometric redshift estimator for Type Ia supernovae (SNe Ia) proposed by Wang (2007), and use it to study simulated SN Ia data. We find that better than...
Huang, Jian, Hao, Pei, Zhang, Yun-Li, Deng, Fu-Xing, Deng, Qing, Hong, Yi, ...
Abstract Background The liver is the largest human internal organ – it is composed of multiple cell types and plays a vital role in fulfilling the body's metabolic needs and maintaining...
Observational Bounds on Modified Gravity Models (2007)
De Felice, Antonio, Mukherjee, Pia, Wang, Yun
Modified gravity provides a possible explanation for the currently observed cosmic accelaration. In this paper, we study general classes of modified gravity models. The Einstein-Hilbert action is...
Nontrivial Geometries: Bounds on the Curvature of the Universe (2007)
Mersini-Houghton, Laura, Wang, Yun, Mukherjee, Pia, Kafexhiu, Ervin
Probing the geometry of the universe is one of the most important endevours in cosmology. Current observational data from the Cosmic Microwave Background anisotropy (CMB), galaxy surveys and type Ia...
Observational Constraints on Dark Energy and Cosmic Curvature (2007)
Current observational bounds on dark energy depend on assumptions about the curvature of the universe. We present a simple and efficient method for incorporating constraints from CMB anisotropy data,...
オーステナイト系ステンレス鋼の塑性変形および初期疲労損傷に関する微視的研究 (2007)
名古屋大学博士学位論文 学位の種類: 博士(工学)(課程) 学位授与年月日: 平成19年3月23日
オーステナイト系ステンレス鋼の塑性変形および初期疲労損傷に関する微視的研究 (2007)
名古屋大学博士学位論文 学位の種類: 博士(工学)(課程) 学位授与年月日: 平成19年3月23日
Present and future evidence for evolving dark energy (2006)
Liddle, Andrew R, Mukherjee, Pia, Parkinson, David, Wang, Yun
We compute the Bayesian evidences for one- and two-parameter models of evolving dark energy, and compare them to the evidence for a cosmological constant, using current data from Type Ia supernova,...
A Model-Independent Photometric Redshift Estimator for Type Ia Supernovae (2006)
The use of type Ia supernovae (SNe Ia) as cosmological standard candles is fundamental in modern observational cosmology. In this letter, we derive a simple empirical photometric redshift estimator...
Analysis of Transient Phenomena in Polymer Electrolyte Fuel Cells (2006)
Dynamic characteristics of polymer electrolyte fuel cells (PEFC) are of paramount importance for the automotive applications, given the rapid variation of loads. First, a three-dimensional...
Phillips, M. M., Garnavich, Peter, Wang, Yun, Branch, David, Baron, Edward, Crotts, Arlin, ...
JEDI (Joint Efficient Dark-energy Investigation) is a candidate implementation of the NASA-DOE Joint Dark Energy Mission (JDEM). JEDI will probe dark energy in three independent methods: (1) type Ia...
Colloidal Behavior of Polyampholytes (2006)
Polyampholytes are polymers that have both positively and negatively charged groups in the same chain. In recent years polyampholytes have started to be used in papermaking applications, as well as...
From the early presentation by Rosenberg and Hovland (1960), three components- affect, cognition and conation- of attitude are introduced. Moreover, attitude is a result of learning and is strongly...
Type Ia supernova (SN Ia), galaxy clustering, and cosmic microwave background anisotropy (CMB) data provide complementary constraints on the nature of the dark energy in the universe. We find that...
Jen-Tsan Chi, Zhen Wang, Edwin H. Rodriguez, Marci E. Schaner, Ali Salim, ...
The transcriptional response to hypoxia varies between cell types. A gene-expression signature of the cellular response to hypoxia is associated with a significantly poorer prognosis in breast and...
Jen-Tsan Chi, Zhen Wang, Edwin H. Rodriguez, Marci E. Schaner, Ali Salim, ...
Background Inadequate oxygen (hypoxia) triggers a multifaceted cellular response that has important roles in normal physiology and in many human diseases. A transcription factor, hypoxia-inducible...
Wieland, K. A., Wang, Yun, Solin, S. A., Girgis, A. M., Ram-Mohan, L. R.
We present a detailed discussion of extraordinary optoconductance (EOC). Experimental data was acquired via macroscopic metal-semiconductor hybrid structures composed of GaAs and In and subjected to...
Dark Energy Constraints from Baryon Acoustic Oscillations (2006)
Baryon acoustic oscillations (BAO) in the galaxy power spectrum allows us to extract the scale of the comoving sound horizon at recombination, a cosmological standard ruler accurately determined by...
Analysis of transient phenomena in polymer electrolyte fuel cells (2006)
Thesis (Ph.D.)--Pennsylvania State University, 2006.
Kringen, Pedro, Wang, Yun, Dumeaux, Vanessa, Nesland, Jahn M, Kristensen, Gunnar, Borresen-Dale, Anne-Lise, ...
Abstract Background Ovarian carcinomas from 30 BRCA1 germ-line carriers of two distinct high penetrant founder mutations, 20 carrying the 1675delA and 10 the 1135insA, and 100 sporadic cases were...
Crotts, Arlin, Garnavich, Peter, Priedhorsky, William, Habib, Salman, Heitmann, Katrin, Wang, Yun, ...
JEDI will probe dark energy in three independent ways by measuring the expansion history of the universe: (1) using type Ia supernovae as cosmological standard candles over a range of distances, (2)...
Primordial Power Spectrum Reconstruction (2005)
In order to reconstruct the initial conditions of the universe it is important to devise a method that can efficiently constrain the shape of the power spectrum of primordial matter density...
Uncorrelated Measurements of the Cosmic Expansion History and Dark Energy from Supernovae (2005)
We present a method for measuring the cosmic expansion history H(z) in uncorrelated redshift bins, and apply it to current and simulated type Ia supernova data assuming spatial flatness. If the...
Interpreting soil organic matter characteristics in organic farming systems (2005)
Wander, Michelle M., Marriott, Emily E., Wang, Yun
Soil organic matter (SOM) fraction characteristics need to be developed as indicies that can be related to specific soil functions. The general effects of organic management on prominsing indicies of...
Methods for missing values in dichotomous response variables (2005)
In this dissertation, we focus on methods for analyzing data with missing values for dichotomous response variables. We compare several methods, including complete cases, weighting, the EM algorithm,...
Development of Nanostructure Fabrication Technology and New Electron-Quantum Wave Devices (2005)
Chou, Stephen Y., Fischer, Paul B., Fischer, P. B., Wang, Yun, Liu, Yue, Hsiang, Thomas Y., ...
Under the three-year grant, we have investigated and developed various nanofabrication technologies including construction of an ultra-high resolution electron beam lithography system, sub-20 nm...
Banks, H. T., Smith, R. C., Wang, Yun
Based on a distributed parameter model for vibrations, an approximate finite dimensional dynamic compensator is designed to suppress vibrations (multiple modes with a broad band of frequencies) of a...
A new statistical approach for anomaly intrusion detection / (2005)
Presented as the author's thesis (Ph.D) - Nova Southeastern University.
Thesis (M.S.C.I.T.)--Regis University, Denver, Colo., 2005.
On t.p.: "III,IV" and "III" in superscript; "2" in subscript.
Probing the evolution of the dark energy density with future supernova surveys (2004)
Wang, Yun, Kostov, Veselin, Freese, Katherine, Frieman, Joshua A, Gondolo, Paolo
The time dependence of the dark energy density can be an important clue to the nature of dark energy in the universe. We show that future supernova data from dedicated telescopes (such as SNAP), when...
Current Observational Constraints on Cosmic Doomsday (2004)
Wang, Yun, Kratochvil, Jan Michael, Linde, Andrei, Shmakova, Marina
In a broad class of dark energy models, the universe may collapse within a finite time t_c. Here we study a representative model of dark energy with a linear potential, V(\phi)=V_0(1+\alpha\phi)....
Observational signatures of the weak lensing magnification of supernovae (2004)
Due to the deflection of light by density fluctuations along the line of sight, weak lensing is an unavoidable systematic uncertainty in the use of type Ia supernovae (SNe Ia) as cosmological...
Dark Energy Search with Supernovae (2004)
To determine the nature of dark energy from observational data, it is important that we use model-independent and optimal methods. We should probe dark energy using its density (allowed to be a free...
Looking for Cosmological Alfven Waves in WMAP Data (2004)
Chen, Gang, Mukherjee, Pia, Kahniashvili, Tina, Ratra, Bharat, Wang, Yun
A primordial cosmological magnetic field induces and supports vorticity or Alfven waves, which in turn generate cosmic microwave background (CMB) anisotropies. A homogeneous primordial magnetic field...
New dark energy constraints from supernovae, microwave background and galaxy clustering (2004)
Using the spectacular new high redshift supernova observations from the HST/GOODS program and previous supernova, CMB and galaxy clustering data, we make the most accurate measurements to date of the...
Wavelets and WMAP non-Gaussianity (2004)
We study the statistical properties of the 1st year WMAP data on different scales using the spherical mexican hat wavelet transform. Consistent with the results of Vielva et al. (2003) we find a...
Probing Dark Energy Using Its Density Instead of Its Equation of State (2004)
The variation of dark energy density with redshift, $\rho_X(z)$, provides a critical clue to the nature of dark energy. Since $\rho_X(z)$ depends on the dark energy equation of state $w_X(z)$ through...
Probing the Evolution of the Dark Energy Density with Future Supernova Surveys (2004)
Wang, Yun, Kostov, Veselin, Freese, Katherine, Frieman, Joshua A., Gondolo, Paolo
The time dependence of the dark energy density can be an important clue to the nature of dark energy in the universe. We show that future supernova data from dedicated telescopes (such as SNAP), when...
This dissertation is on the fabrication of polymer-based microfluidic arrays for the detection of genetic mutations. Poly(methyl methacrylate) was chosen as one of the polymer substrate materials due...
This dissertation is on the fabrication of polymer-based microfluidic arrays for the detection of genetic mutations. Poly(methyl methacrylate) was chosen as one of the polymer substrate materials due...
Design patterns for distributed application security / (2004)
"Mémoire présenté en vue de l'obtention du diplôme de maîtrise ès sciences appliquées (génie informatique)"
We reconstruct the dark energy density $\rho_X(z)$ as a free function from current type Ia supernova (SN Ia) data (Tonry et al. 2003; Barris et al. 2003; Knop et al. 2003), together with the Cosmic...
Leonid Baraz, Tevi Devor, Orna Etzion, Shalom Goldenberg, Alex Skaletsky, Yun Wang
IA-32 Execution Layer (IA-32 EL) is a new technology that executes IA-32 applications on Intel Itanium processor family systems. Currently, support for IA-32 applications on Itanium-based platforms...
Wang, Yun, Tenbarge, Jason, Fleshman, Bobby
Weak gravitational lensing due to the inhomogeneous matter distribution in the universe is an important systematic uncertainty in the use of standard candles in cosmology. There are two different...
Reduction of parasitic capacitance in vertical MOSFETs by spacer local oxidation (2003)
Kunz, V. Dominik, Uchino, Takashi, De Groot, C. H. (Kees), Ashburn, Peter, Donaghy, David C., Hall, Steven, ...
Application of double gate or surround-gate vertical metal oxide semiconductor field effect transistors (MOSFETs) is hindered by the parasitic overlap capacitance associated with their layout, which...
Reduction of Parasitic Capacitance in Vertical MOSFETs by Spacer Local Oxidation (2003)
Kunz, V Dominik, Uchino, Takashi, De Groot, C H (Kees), Ashburn, Peter, Donaghy, David C, Hall, Steven, ...
Application of double gate or surround-gate vertical metal oxide semiconductor field effect transistors (MOSFETs) is hindered by the parasitic overlap capacitance associated with their oayout, which...
Reduction of Parasitic Capacitance in Vertical MOSFETs by Spacer Local Oxidation (2003)
Kunz, V Dominik, Uchino, Takashi, De Groot, C H (Kees), Ashburn, Peter, Donaghy, David C, Hall, Steven, ...
Application of double gate or surround-gate vertical metal oxide semiconductor field effect transistors (MOSFETs) is hindered by the parasitic overlap capacitance associated with their oayout, which...
Reduction of Parasitic Capacitance in Vertical MOSFETs by Spacer Local Oxidation (2003)
Kunz, V Dominik, Uchino, Takashi, De Groot, C H (Kees), Ashburn, Peter, Donaghy, David C, Hall, Steven, ...
Application of double gate or surround-gate vertical metal oxide semiconductor field effect transistors (MOSFETs) is hindered by the parasitic overlap capacitance associated with their oayout, which...
Reduction of Parasitic Capacitance in Vertical MOSFETs by Spacer Local Oxidation (2003)
Kunz, V Dominik, Uchino, Takashi, De Groot, C H (Kees), Ashburn, Peter, Donaghy, David C, Hall, Steven, ...
Application of double gate or surround-gate vertical metal oxide semiconductor field effect transistors (MOSFETs) is hindered by the parasitic overlap capacitance associated with their oayout, which...
Model-Independent Reconstruction of the Primordial Power Spectrum from WMAP Data (2003)
Reconstructing the shape of the primordial power spectrum in a model independent way from cosmological data is a useful consistency check on what is usually assumed regarding early universe physics....
Galaxy Clustering and Dark Energy (2003)
Munshi, Dipak, Porciani, Cristiano, Wang, Yun
We study the evolution of galaxy clustering in various cosmological models with quintessence. We investigate how the analytical predictions vary with change of dark energy equation of state $w_X$....
Future Type Ia Supernova Data as Tests of Dark Energy from Modified Friedmann Equations (2003)
Wang, Yun, Freese, Katherine, Gondolo, Paolo, Lewis, Matthew
In the Cardassian model, dark energy density arises from modifications to the Friedmann equation, which becomes $H^2 = g(\rhom)$, where $g(\rhom)$ is a new function of the energy density. The...
Direct Wavelet Expansion of the Primordial Power Spectrum (2003)
In order to constrain and possibly detect unusual physics during inflation, we allow the power spectrum of primordial matter density fluctuations, P_{in}(k), to be an arbitrary function in the...
Wavelet Band Powers of the Primordial Power Spectrum from CMB Data (2003)
Measuring the primordial matter power spectrum is our primary means of probing unknown physics in the very early universe. We allow the primordial power spectrum to be an arbitrary function, and...
Dark energy effects on the Lyman-alpha forest (2002)
Viel, M., Matarrese, S., Theuns, Tom, Munshi, D., Wang, Yun
In quintessence models, the dark energy content of the universe is described by a slowly rolling scalar field whose pressure and energy density obey an equation of state of the form p=w $\rho$; w is...
How Sensitive Are Weak Lensing Statistics to Dark Energy Content? (2002)
Future weak lensing surveys will directly probe the clustering of dark matter, in addition to providing a test for various cosmological models. Recent studies have provided us with the tools which...
A universal probability distribution function for weak-lensing amplification (2002)
Wang, Yun, Holz, Daniel E., Munshi, Dipak
We present an approximate form for the weak lensing magnification distribution of standard candles, valid for all cosmological models, with arbitrary matter distributions, over all redshifts. Our...
Unbiased Estimate of Dark Energy Density from Type Ia Supernova Data (2001)
Type Ia supernovae (SNe Ia) are currently the best probes of the dark energy in the universe. To constrain the nature of dark energy in a model-independent manner, we allow the density of dark...
LoSecco, John M., Mathews, Grant J., Wang, Yun
Observers have demonstrated that it is now feasible to measure the cosmic microwave background (CMB) temperature at high redshifts. We explore the possible constraints on cosmology which might...
Constraints on extra dimensions from cosmological and terrestrial measurements (2001)
Milton, Kimball A., Kantowski, Ronald, Kao, Chung, Wang, Yun
If quantum fields exist in extra compact dimensions, they will give rise to a quantum vacuum or Casimir energy. That vacuum energy will manifest itself as a cosmological constant. The fact that...
Measuring Time-Dependence of Dark Energy Density from Type Ia Supernova Data (2001)
Wang, Yun, Garnavich, Peter M.
Observations of high redshift supernovae imply an accelerating Universe which can only be explained by an unusual energy component such as vacuum energy or quintessence. To assess the ability of...
Model Independent Primordial Power Spectrum from Maxima, Boomerang, and DASI Data (2000)
A model-independent determination of the primordial power spectrum of matter density fluctuations could uniquely probe physics of the very early universe, and provide powerful constraints on...
Scalable Real-Time System Design using Preemption Thresholds (2000)
The maturity of schedulabilty analysis techniques for fixed-priority preemptive scheduling has enabled the consideration of timing issues at design time using a specification of the tasking...
Scheduling Fixed-Priority Tasks with Preemption Threshold (2000)
While it is widely believed that preemptability is a necessary requirement for developing real-time software, there are additional costs involved with preemptive scheduling, as compared to...
Scheduling Fixed-Priority Tasks with Preemption (2000)
While it is widely believed that preemptability is a necessary requirement for developing real-time software, there are additional costs involved with preemptive scheduling, as compared to...
Scalable Multi-Tasking using Preemption Thresholds (2000)
Preemptive multi-tasking is a commonly used architecture for designing and implementing embedded real-time software. However, preemptive multi-tasking comes with its own costs. These costs include...