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Susan Boudreaux '84 Creates Scholarship to Honor Alumna Mother
Winthrop University
Jan 01, 0001
Susan Boudreaux created the Carolyn B. and Susan L. Boudreaux Scholarship in honor of her mother, who earned a B.S. in business administration. The scholarship will be awarded to undergraduate upperclassmen majoring in French...
Published by: Winthrop University
Testing Kerr black hole mimickers with quasi-periodic oscillations from GRO J1655-40
Abstract: The measurements of quasi-periodic oscillations (QPOs) provide a quite powerful tool to test the nature of astrophysical black hole candidates in the strong gravitational field regime. In this paper, we use QPOs within...
Ursinus Magazine, Summer 1969
Henry R. Taylor, Milton E. Detterline, Lucille Hunt Bone, Adele Boyd, Raymond V. Gurzynski, Richard P. Richter, Clark Kerr, Richard Winchester, Ted Taylor, Donald L. Helfferich
Jan 01, 0001
Clark Kerr: It is the best of times, it is the worst of times Alumni Day 1969: Tropp takes office as Alumni President; Annual business meeting held; Outstanding graduates honored; Centennial seminar; Honoraries awarded ...
Ursinus College Collegeville Pennsylvania alumni Deaths Marriages Clark Kerr Walter M. Tropp Gerald M. Edelman Mildred G. Fox Football fundraising track team baseball lacrosse softball tennis field hockey golf Thomas J. Beddow William W. Heefner Frank Smith Higher Education Social History United States History
Published by: Ursinus College
Hidden Spectral Symmetries and Mode Stability of Subextremal Kerr(-de Sitter) Black Holes
Abstract: We uncover hidden spectral symmetries of the Teukolsky equation in Kerr(-de Sitter) black holes, recently conjectured by Aminov, Grassi and Hatsuda (Ann. Henri Poincaré 23, 1951-1977, 2022, and Gen. Relativ. Grav....
Raman solitons in waveguides with simultaneous quadratic and Kerr nonlinearities
We analyze Raman-induced self-frequency shift in two-component solitons supported by both quadratic and cubic nonlinearities. Treating Raman terms as a perturbation, we derive expressions for soliton velocity and frequency...
Testing Kerr black hole mimickers with quasi-periodic oscillations from GRO J1655-40
Abstract: The measurements of quasi-periodic oscillations (QPOs) provide a quite powerful tool to test the nature of astrophysical black hole candidates in the strong gravitational field regime. In this paper, we use QPOs within...
Insulin pump therapy with automated insulin suspension in response to hypoglycemia
Pratik Choudhary, John Shin, Yongyin Wang, Mark L Evans, Peter J Hammond, David Kerr, James Am Shaw, John C Pickup, Stephanie A Amiel
Feb 14, 2020
OBJECTIVE: To evaluate a sensor-augmented insulin pump with a low glucose suspend (LGS) feature that automatically suspends basal insulin delivery for up to 2 h in response to sensor-detected hypoglycemia. RESEARCH DESIGN AND...
Threshold of complexity and Arnold tongues in Kerr-ring microresonators
We show that the threshold condition for two pump photons to convert into a pair of the sideband ones in Kerr microresonators with high-quality factors breaks the pump laser parameter space into a sequence of narrow in frequency...
Testing Kerr black hole mimickers with quasi-periodic oscillations from GRO J1655-40
Abstract The measurements of quasi-periodic oscillations (QPOs) provide a quite powerful tool to test the nature of astrophysical black hole candidates in the strong gravitational field regime. In...
The Kijowski–Liu–Yau quasi-local mass of the Kerr black hole horizon
We use the isometric embedding of the spatial horizon of fast rotating Kerr
black hole in a hyperbolic space to compute the quasi-local mass of the horizon
for any value of the spin parameter $j=J/m^2$. The mass is...
Testing Kerr black hole mimickers with quasi-periodic oscillations from GRO J1655-40
Abstract The measurements of quasi-periodic oscillations (QPOs) provide a quite powerful tool to test the nature of astrophysical black hole candidates in the strong gravitational field regime. In...
The Kijowski–Liu–Yau quasi-local mass of the Kerr black hole horizon * * Dedicated to Gary Gibbons on the occasion of his 75th birthday.
Abstract: We use an isometric embedding of the cross-over surface of the outer horizon of a rapidly rotating Kerr black hole in a hyperbolic space to compute the quasi-local mass of the horizon for any allowed value of the spin...
Mode Stability for the Teukolsky Equation on Extremal and Subextremal Kerr Spacetimes
Rita Teixeira da Costa
Jul 17, 2020
Abstract: We prove that there are no exponentially growing modes nor modes on the real axis for the Teukolsky equation on Kerr black hole spacetimes, both in the extremal and subextremal case. We also give a quantitative...
Testing Kerr black hole mimickers with quasi-periodic oscillations from GRO J1655-40
Abstract: The measurements of quasi-periodic oscillations (QPOs) provide a quite powerful tool to test the nature of astrophysical black hole candidates in the strong gravitational field regime. In this paper, we use QPOs within...
Raman solitons in waveguides with simultaneous quadratic and Kerr nonlinearities
We analyze Raman-induced self-frequency shift in two-component solitons supported by both quadratic and cubic nonlinearities. Treating Raman terms as a perturbation, we derive expressions for soliton velocity and frequency...
Mode Stability for the Teukolsky Equation on Extremal and Subextremal Kerr Spacetimes
Rita Teixeira da Costa
Jul 28, 2021
Abstract: We prove that there are no exponentially growing modes nor modes on the real axis for the Teukolsky equation on Kerr black hole spacetimes, both in the extremal and subextremal case. We also give a quantitative...
Threshold of complexity and Arnold tongues in Kerr-ring microresonators
We show that the threshold condition for two pump photons to convert into a pair of the sideband ones in Kerr microresonators with high-quality factors breaks the pump laser parameter space into a sequence of narrow in frequency...
Hydration and N-acetyl-l-cysteine alter the microstructure of human nail and bovine hoof
This work aimed to (a) characterize the microstructure and porosity of human nail and bovine hoof by mercury intrusion porosimetry and SEM image analysis, (b) study the effects of hydration and of N-acetyl-l-cysteine treatment...
Hydration and N-acetyl-l-cysteine alter the microstructure of human nail and bovine hoof
This work aimed to (a) characterize the microstructure and porosity of human nail and bovine hoof by mercury intrusion porosimetry and SEM image analysis, (b) study the effects of hydration and of N-acetyl-l-cysteine treatment...
Floer Simple Manifolds and L-Space Intervals
An oriented three-manifold with torus boundary admits either no L-space Dehn filling, a unique L-space filling, or an interval of L-space fillings. In the latter case, which we call “Floer simple,” we construct an invariant...
Eugene L. Opie, 1910
The Rockefeller University
Jan 01, 0001
Eugene L. Opie, M.D. Inflammation
Lecture delivered February 10th, 1910
Bacterial Infection inflammation reaction macrophage Lymphatic Vessels polynuclear leucocytes enzyme
Published by: J.B. Lippincott Company
L q -spectra of self-affine measures
Abstract: We study L q -spectra of planar self-affine measures generated by diagonal matrices. We introduce a new technique for constructing and understanding examples based on combinatorial estimates for the exponential growth...
Corinna PMG 655 (= P.Oxy. 2370) fr.1 l. 13 κόσμ[εισα λόγυ]ς
L Prauscello
May 02, 2017
0. Fr. 1 of P.Oxy. 2370 (= MP3
249; LDAB 573), published by Lobel in 1956, is so far the only papyrus
fragment among those extant in Boeotian dialect1
whose authorship can be securely ascribed to
Corinna thanks to the overlap...
S-2-Amino-4-cyanobutanoic acid (β-cyanomethyl-L-Ala) as an atom-efficient solubilising synthon for L-glutamine
Glutamine (Gln) is often a difficult amino acid to incorporate during solution-phase peptide synthesis, owing to poor solubility and unwanted dehydrations as side-reactions. Current approaches to solving these problems are...
Frank L. Horsfall, Jr., 1952
The Rockefeller University
Jan 01, 0001
Frank L. Horsfall, Jr. Experiments on chemical alteration of virus infections.
Lecture delivered November 20, 1952
Posted with permission
Published by: Academic Press Inc., Publishers
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