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Articles 1 - 30 of 51
Full-Text Articles in Entire DC Network
Producer-Scrounger Roles And Joining Based On Dominance In A Free-Living Group Of Mexican Jays (Aphelocoma Ultramarina), John Mccormack, Piotr Jablonski, Jerram Brown
Producer-Scrounger Roles And Joining Based On Dominance In A Free-Living Group Of Mexican Jays (Aphelocoma Ultramarina), John Mccormack, Piotr Jablonski, Jerram Brown
John E. McCormack
While foraging, animals often exploit group members to obtain food. One way to describe this behaviour is with the producer-scrounger (PS) model, where scroungers use social interaction to obtain food discovered by producers. Mexican jays (Aphelocoma ultramarina) are a groupforaging species with a linear dominance hierarchy. We studied interactions in a free-living foraging group to determine (1) if foraging interactions can be explained with the PS model, (2) if these roles are consistent and (3) if dominance or relatedness affects joining frequency. We recorded board-flipping, eating, and joining events during sets of feeding trials. We show that Mexican jays use …
Recent Postglacial Range Expansion Drives The Rapid Diversification Of A Songbird Lineage In The Genus Junco, Borja Milá, John Mccormack, Gabriela Castañeda, Robert Wayne, Thomas Smith
Recent Postglacial Range Expansion Drives The Rapid Diversification Of A Songbird Lineage In The Genus Junco, Borja Milá, John Mccormack, Gabriela Castañeda, Robert Wayne, Thomas Smith
John E. McCormack
Pleistocene glacial cycles are thought to have played a major role in the diversification of temperate and boreal species of North American birds. Given that coalescence times between sister taxa typically range from 0.1 to 2.0 Myr, it has been assumed that diversification occurred as populations were isolated in refugia over long periods of time, probably spanning one to several full glacial cycles. In contrast, the rapid postglacial range expansions and recolonization of northern latitudes following glacial maxima have received less attention as potential promoters of speciation. Here we report a case of extremely rapid diversification in the songbird genus …
State Sponsored Armed Conflict: The Salwa Judum And The State Of Chattisgarh, Aditya Swarup
State Sponsored Armed Conflict: The Salwa Judum And The State Of Chattisgarh, Aditya Swarup
Aditya Swarup
No abstract provided.
Terrorism And The Rule Of Law: A Case Comment On Kartar Singh V. State Of Punjab, Aditya Swarup
Terrorism And The Rule Of Law: A Case Comment On Kartar Singh V. State Of Punjab, Aditya Swarup
Aditya Swarup
No abstract provided.
Socialism And The New Economic Order: Constitutional Perspectives, Aditya Swarup
Socialism And The New Economic Order: Constitutional Perspectives, Aditya Swarup
Aditya Swarup
No abstract provided.
Sierra Santa Rosa: An Oasis Of Bird Diversity In Arid Northern Mexico, John Mccormack, Gabriela Castañeda, Greg Levandoski
Sierra Santa Rosa: An Oasis Of Bird Diversity In Arid Northern Mexico, John Mccormack, Gabriela Castañeda, Greg Levandoski
John E. McCormack
No abstract provided.
Arthur A. Dugoni School Of Dentistry 113th Commencement, University Of The Pacific
Arthur A. Dugoni School Of Dentistry 113th Commencement, University Of The Pacific
Commencement Programs
No abstract provided.
Reading And Queering Plato In Hedwig And The Angry Inch, Wendy Hsu
Reading And Queering Plato In Hedwig And The Angry Inch, Wendy Hsu
Wendy Hsu
No abstract provided.
I'M A Star, Get It': Yoko Ono Subverts Rock Masculinity, Wendy Hsu
I'M A Star, Get It': Yoko Ono Subverts Rock Masculinity, Wendy Hsu
Wendy Hsu
No abstract provided.
Lacuny Executive Council Meeting Minutes, April 2007, Lacuny
Lacuny Executive Council Meeting Minutes, April 2007, Lacuny
Meeting Minutes
No abstract provided.
Racing The Archive: Will The Real William Dubois Please Stand Up?, Shannon Rose Riley
Racing The Archive: Will The Real William Dubois Please Stand Up?, Shannon Rose Riley
Faculty Publications
No abstract provided.
Extraction Of The Neutron Magnetic Form Factor From Quasielastic 3He(E , E') At Q2=0.1-0.6 (Gev/C)2, B. Anderson, L. Auberbach, T. Averett, W. Bertozzi, T. Black, J. Calarco, L. Cardman, G. D. Cates, Z. W. Chai, J. P. Chen, Seonho Choi, E. Chudakov, S. Churchwell, G. S. Corrado, C. Crawford, A. Deur, P. Djawotho, D. Dutta, J. M. Finn, H. Gao, J. Golak, J. Gomez, V. G. Gorbenko, J. O. Hansen, F. W. Hersman, D. W. Higinbotham, R. Holmes, C. R. Howell, E. Hughes, B. Humensky, S. Incerti, C. W. De Jager, J. S. Jensen, X. Jiang, C. E. Jones, M. Jones, R. Kahl, H. Kamada, A. Kievsky, I. Kominis, W. Korsch, K. Kramer, G. Kumbartzki, M. Kuss, Enkeleida K. Lakuriqi, M. Liang, N. Liyanange, J. Lerose, S. Malov, D. J. Margaziotis, J. W. Martin, K. Mccormick, R. D. Mckeown, K. Mcilhany, Z. E. Meziani, R. Michaels, G. W. Miller, J. Mitchell, S. Nanda, E. Pace, T. Pavlin, G. G. Petratos, R. I. Pomatsalyuk, D. Pripstein, D. Prout, R. D. Ransome, Y. Roblin, M. Rvachev, A. Saha, G. Salme, M. Schnee, J. Seely, T. Shin, K. Slifer, P. A. Souder, S. Strauch, R. Suleiman, M. Sutter, B. Tipton, L. Todor, M. Viviani, R. Gilman, A. V. Glamazdin, C. Glashausser, B. Vlahovic, J. Watson, C. F. Williamson, H. Witala, B. Wojsekhowski, F. Xiong, X. Wu, J. Yeh, P. Zolmierczuk
Extraction Of The Neutron Magnetic Form Factor From Quasielastic 3He(E , E') At Q2=0.1-0.6 (Gev/C)2, B. Anderson, L. Auberbach, T. Averett, W. Bertozzi, T. Black, J. Calarco, L. Cardman, G. D. Cates, Z. W. Chai, J. P. Chen, Seonho Choi, E. Chudakov, S. Churchwell, G. S. Corrado, C. Crawford, A. Deur, P. Djawotho, D. Dutta, J. M. Finn, H. Gao, J. Golak, J. Gomez, V. G. Gorbenko, J. O. Hansen, F. W. Hersman, D. W. Higinbotham, R. Holmes, C. R. Howell, E. Hughes, B. Humensky, S. Incerti, C. W. De Jager, J. S. Jensen, X. Jiang, C. E. Jones, M. Jones, R. Kahl, H. Kamada, A. Kievsky, I. Kominis, W. Korsch, K. Kramer, G. Kumbartzki, M. Kuss, Enkeleida K. Lakuriqi, M. Liang, N. Liyanange, J. Lerose, S. Malov, D. J. Margaziotis, J. W. Martin, K. Mccormick, R. D. Mckeown, K. Mcilhany, Z. E. Meziani, R. Michaels, G. W. Miller, J. Mitchell, S. Nanda, E. Pace, T. Pavlin, G. G. Petratos, R. I. Pomatsalyuk, D. Pripstein, D. Prout, R. D. Ransome, Y. Roblin, M. Rvachev, A. Saha, G. Salme, M. Schnee, J. Seely, T. Shin, K. Slifer, P. A. Souder, S. Strauch, R. Suleiman, M. Sutter, B. Tipton, L. Todor, M. Viviani, R. Gilman, A. V. Glamazdin, C. Glashausser, B. Vlahovic, J. Watson, C. F. Williamson, H. Witala, B. Wojsekhowski, F. Xiong, X. Wu, J. Yeh, P. Zolmierczuk
Enkeleida K. Lakuriqi
We have measured the transverse asymmetry AT' in the quasielastic 3He(e,e') process with high precision at Q2 values from 0.1 to 0.6 (GeV/c)2. The neutron magnetic form factor GnM was extracted at Q2 values of 0.1 and 0.2(GeV/c)2 using a nonrelativistic Faddeev calculation which includes both final-state interactions (FSI) and meson-exchange currents (MEC). Theoretical uncertainties due to the FSI and MEC effects were constrained with a precision measurement of the spin-dependent asymmetry in the threshold region of 3He(e,e'). We also extracted the neutron magnetic form factor …
The Role Of Error In The Conceptual Design Of A Transport Aircraft, Robert A. Mcdonald
The Role Of Error In The Conceptual Design Of A Transport Aircraft, Robert A. Mcdonald
Robert A. McDonald
A fidelity trade environment was demonstrated by using it to simulate a decision making process for a transport aircraft. This scenario was not possible without the fidelity trade environment. The role of system feedback and coupling in error stability was also investigated.
A sensitivity approach which relies on the system sensitivity matrix was used to rapidly approximate the propagation of error through the complex system. In verification tests, the sensitivity approach provided approximate results substantially similar to a Monte Carlo approach that was many orders of magnitude more expensive. The rapid sensitivity approach to modeling error propagation enabled the responsive …
The Reconstruction Of Inuit Collective Identity: From Cultural To Civic: The Case Of Nunavut, André LéGaré
The Reconstruction Of Inuit Collective Identity: From Cultural To Civic: The Case Of Nunavut, André LéGaré
Aboriginal Policy Research Consortium International (APRCi)
No abstract provided.
Triflic Acid Controlled Successive Annelation Of Aromatic Sulfonamides: An Efficient One-Pot Synthesis Of N-Sulfonyl Pyrroles, Indoles And Carbazoles, Abid Shaikh, Liliana Teixeira, Béla Török
Triflic Acid Controlled Successive Annelation Of Aromatic Sulfonamides: An Efficient One-Pot Synthesis Of N-Sulfonyl Pyrroles, Indoles And Carbazoles, Abid Shaikh, Liliana Teixeira, Béla Török
Abid Shaikh
A novel one-pot synthesis of N-substituted heterocycles via successive cyclization/annelation starting from primary sulfonamides is described. This process directly leads to N-sulfonyl pyrroles, indoles and carbazoles. The selection of an appropriate reactant/triflic acid ratio successfully controls the formation of the desired product.
Using Gold Nanorods To Probe Cell-Induced Collagen Deformation, John W. Stone, Patrick N. Sisco, Edie C. Goldsmith, Sarah C. Baxter, Catherine J. Murphy
Using Gold Nanorods To Probe Cell-Induced Collagen Deformation, John W. Stone, Patrick N. Sisco, Edie C. Goldsmith, Sarah C. Baxter, Catherine J. Murphy
John W. Stone
In biological tissue, complex mechanisms of cellular response are closely linked to the mechanical environment that cells experience. The key to understanding these mechanisms may lie in measurement of local mechanical fields near living cells and between cells. We have developed a novel optical measurement technique which combines the light elastically scattered from gold nanorods with digital image analysis to track local deformations that occur in vitro between cells, in real time, under darkfield optical microscopy. We find that measurable tension and compression exist in the intercellular matrix at the length scale of micrometers, as the cells assess, adapt, and …
On Governance And Agency Issues In Small Firms, Clifford W. Smith
On Governance And Agency Issues In Small Firms, Clifford W. Smith
Clifford W Smith
No abstract provided.
Closure Under Transfinite Extensions, Edgar E. Enochs, Alina Iacob, Overtoun Jenda
Closure Under Transfinite Extensions, Edgar E. Enochs, Alina Iacob, Overtoun Jenda
Alina Iacob
The closure under extensions of a class of objects in an abelian category is often an important property of that class. Recently the closure of such classes under transfinite extensions (both direct and inverse) has begun to play an important role in several areas of mathematics, for example, in Quillen's theory of model categories and in the theory of cotorsion pairs. In this paper we prove that several important classes are closed under transfinite extensions.
Ultraviolet Radiation Stimulates Expression Of Snail Family Transcription Factors In Keratinocytes. Hudson L, Choi C, Newkirk K, Parkhani J, Cooper K, Lu P, Kusewitt D, Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Uveal Spindle Cell Tumor Of Blue-Eyed Dogs: An Immunohistochemical Study. Zarfoss M, Klauss G, Newkirk K, Kiupel M, Jones Y, Colitz C, Weisbrode S, Kusewitt D, Dubielzig R., Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Snai2 Expression Enhances Uvr-Induced Skin Carcinogenesis. Newkirk K, Parent A, Fossey S, Choi C, Chandler H Rajala-Schultz P, Kusewitt D., Kim M. Newkirk
Snai2 Expression Enhances Uvr-Induced Skin Carcinogenesis. Newkirk K, Parent A, Fossey S, Choi C, Chandler H Rajala-Schultz P, Kusewitt D., Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Ultraviolet Radiation Exposure Induces Corneal Degeneration In 129 Mice. Newkirk K, Chandler H, Parent A, Young D, Colitz C, Wilkie D, Kusewitt D, Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Synthesis Of Trifluoromethyl-Imines By Solid Acid/Superacid Catalyzed Microwave-Assisted Approach, Abid Shaikh, Markku Savolainen, Shainaz M. Landge, Jinbo Hu, G. K. S. Prakash, George A. Olah, Béla Török
Synthesis Of Trifluoromethyl-Imines By Solid Acid/Superacid Catalyzed Microwave-Assisted Approach, Abid Shaikh, Markku Savolainen, Shainaz M. Landge, Jinbo Hu, G. K. S. Prakash, George A. Olah, Béla Török
Abid Shaikh
Trifluoromethyl, Imine, Clay, Solid acids, Solid superacid, Catalysis, Microwave irradiation Abstract: A new solid acid/superacid catalyzed microwave assisted synthesis of trifluoromethyl-imines is described. Various α,α,α-trifluoromethylketones react readily with primary amines to produce the corresponding imines. Two different strategies have been employed; one is the application of microwave irradiation coupled with solvent-free solid acid catalysis. The other method, for highly deactivated substrates includes the use of a pressure vessel at 175 °C temperature, with solid superacid catalysis. Using the solid acid K-10 montmorillonite or the superacidic perfluorinated resinsulfonic acid Nafion-H, a wide variety of trifluoromethylated imines have been synthesized using the …
University Of Michigan Law School Faculty, 07/08, University Of Michigan Law School
University Of Michigan Law School Faculty, 07/08, University Of Michigan Law School
Miscellaneous Law School History & Publications
Biographies of the University of Michigan Law School faculty.
Corticosterone And Foraging Behaviour In A Pelagic Seabird, F Angelier, Scott A. Shaffer, H Weimerskirch, C Trouvé, O Chastel
Corticosterone And Foraging Behaviour In A Pelagic Seabird, F Angelier, Scott A. Shaffer, H Weimerskirch, C Trouvé, O Chastel
Faculty Publications, Biological Sciences
Because endocrine mechanisms are thought to mediate behavioral responses to changes in the environment, examining these mechanisms is essential for understanding how long-lived seabirds adjust their foraging decisions to contrasting environmental conditions in order to maximize their fitness. In this context, the hormone corticosterone (CORT) deserves specific attention because of its major connections with locomotor activities. We examined for the first time the relationships between individual CORT levels and measurements of foraging success and behavior using satellite tracking and blood sampling from wandering albatrosses (Diomedea exulans) before (pretrip CORT levels) and after (posttrip CORT levels) foraging trips during the incubation …
Algorithm Refinement For Fluctuating Hydrodynamics, Alejandro Garcia, S. Williams, J. B. Bell
Algorithm Refinement For Fluctuating Hydrodynamics, Alejandro Garcia, S. Williams, J. B. Bell
Faculty Publications
This paper introduces an adaptive mesh and algorithm refinement method for fluctuating hydrodynamics. This particle-continuum hybrid simulates the dynamics of a compressible fluid with thermal fluctuations. The particle algorithm is direct simulation Monte Carlo (DSMC), a molecular-level scheme based on the Boltzmann equation. The continuum algorithm is based on the Landau–Lifshitz Navier–Stokes (LLNS) equations, which incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. It uses a recently developed solver for the LLNS equations based on third-order Runge–Kutta. We present numerical tests of systems in and out of equilibrium, including time-dependent systems, and demonstrate dynamic adaptive refinement by the …
How Heel Oxygenation Changes Under Pressure, Vivian K. Wong, N. A. Stotts, H. W. Hopf, E. S. Froelicher, G. A. Dowling
How Heel Oxygenation Changes Under Pressure, Vivian K. Wong, N. A. Stotts, H. W. Hopf, E. S. Froelicher, G. A. Dowling
Faculty Publications
The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one-group, prospective, repeated-measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip surgery. Transcutaneous oxygen sensors were placed on the plantar surface of each foot, close to the heels. Measures were taken on room air and with an oxygen challenge with the heels (1) suspended above the bed surface (preload), (2) on the bed surface for 15 minutes (loading), and (3) again suspended above the …
Responsibility For Hiv Prevention: Patterns Of Attribution Among Hiv-Seropositive Gay And Bisexual Men, C. Offer, O. Grinstead, E. Goldstein, Edward M. Mamary, N. Alvarado, J. Euren, W. Woods
Responsibility For Hiv Prevention: Patterns Of Attribution Among Hiv-Seropositive Gay And Bisexual Men, C. Offer, O. Grinstead, E. Goldstein, Edward M. Mamary, N. Alvarado, J. Euren, W. Woods
Faculty Publications
The article presents research based on narratives by gay and bisexual men recently infected with HIV. Researchers looked at the men's attributions of responsibility for infection, comparing recollections of feelings before becoming infected with views expressed after seroconversion. The research responds to a call to better understand risk behavior among HIV-positive persons, in an effort to craft effective prevention interventions. In both before-and after-HIV infection views, survey participants expressed a sense of personal responsibility. Researchers report also nuances of views about shared responsibility.
The Effects Of Economic Crisis, Domestic Discord, And State Efficacy On The Decision To Initiate Interstate Conflict, Charles R. Boehmer
The Effects Of Economic Crisis, Domestic Discord, And State Efficacy On The Decision To Initiate Interstate Conflict, Charles R. Boehmer
Charles Boehmer
Studies of diversionary conflict typically claim that lower rates of economic growth and domestic unrest increase the risk of militarized interstate conflict. However, extant research shows that these factors are also related to regime changes. Lower rates of economic growth and domestic conflict should increase the risk that governments are overthrown. This paper investigates the comparative risk of economic growth and domestic turmoil on militarized interstate conflict and regime changes on a sample of over a hundred countries from 1920-1992. I find that higher rates of economic growth are related to violent militarized interstate conflicts and reduce the risk of …
Algorithm Refinement For Fluctuating Hydrodynamics, Alejandro Garcia, Sarah Williams, John B. Bell
Algorithm Refinement For Fluctuating Hydrodynamics, Alejandro Garcia, Sarah Williams, John B. Bell
Alejandro Garcia
This paper introduces an adaptive mesh and algorithm refinement method for fluctuating hydrodynamics. This particle-continuum hybrid simulates the dynamics of a compressible fluid with thermal fluctuations. The particle algorithm is direct simulation Monte Carlo (DSMC), a molecular-level scheme based on the Boltzmann equation. The continuum algorithm is based on the Landau–Lifshitz Navier–Stokes (LLNS) equations, which incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. It uses a recently developed solver for the LLNS equations based on third-order Runge–Kutta. We present numerical tests of systems in and out of equilibrium, including time-dependent systems, and demonstrate dynamic adaptive refinement by the …