Institution
University of Texas at Austin
Education•Austin, Texas, United States•
About: University of Texas at Austin is a education organization based out in Austin, Texas, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 94352 authors who have published 206297 publications receiving 9070052 citations. The organization is also known as: UT-Austin & UT Austin.
Topics: Population, Poison control, Galaxy, Stars, Finite element method
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TL;DR: A review of previous research yields four key issues that form the core of a theory of hybrid arrangements as mentioned in this paper, which is then used to generate researchable propositions that explore differences among types of hybrids and to offer insights for managers of hybrid organizations.
Abstract: Hybrid organizational arrangements, in which two or more sovereign organizations combine to pursue common interests, raise significant questions for both scholars and managers. A review of previous research yields four key issues—breadth of purpose, boundary determination, value creation, and stability mechanisms—that form the core of a theory of hybrid arrangements. This theory is then used to generate researchable propositions that explore differences among types of hybrids and to offer insights for managers of hybrid organizations.
1,135 citations
University of Erlangen-Nuremberg1, University of Zaragoza2, University of Cambridge3, University College London4, Pennsylvania State University5, University of Texas at Austin6, Vrije Universiteit Brussel7, Open University8, Imperial College London9, University of Münster10, University of Vienna11, Tohoku University12, Mexican Institute of Petroleum13, Natural Resources Canada14, Denver Museum of Nature and Science15, Humboldt University of Berlin16, Universities Space Research Association17, University of Missouri18, Chiba Institute of Technology19, Purdue University20, University of Notre Dame21, University of California, San Diego22, Planetary Science Institute23, Katholieke Universiteit Leuven24, National Autonomous University of Mexico25, Lund University26, University of Alaska Fairbanks27
TL;DR: Records of the global stratigraphy across this boundary are synthesized to assess the proposed causes of the Cretaceous-Paleogene boundary and conclude that the Chicxulub impact triggered the mass extinction.
Abstract: The Cretaceous-Paleogene boundary similar to 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within the time of Deccan flood basalt volcanism in India. Here, we synthesize records of the global stratigraphy across this boundary to assess the proposed causes of the mass extinction. Notably, a single ejecta-rich deposit compositionally linked to the Chicxulub impact is globally distributed at the Cretaceous-Paleogene boundary. The temporal match between the ejecta layer and the onset of the extinctions and the agreement of ecological patterns in the fossil record with modeled environmental perturbations (for example, darkness and cooling) lead us to conclude that the Chicxulub impact triggered the mass extinction.
1,135 citations
TL;DR: In this paper, a theory of human behavior in 3 × 3 symmetric games was developed and tested, and the experimental evidence rejected the rational expectations type but confirmed the boundedly rational theory.
1,135 citations
Fermilab1, University of California, Santa Cruz2, Rensselaer Polytechnic Institute3, Princeton University4, University College London5, University of Texas at Austin6, Ohio State University7, Apache Corporation8, New Mexico State University9, University of Washington10, Max Planck Society11, Joint Institute for Nuclear Astrophysics12, University of Cambridge13, University of Porto14, University of Chicago15, University of Warwick16, Heidelberg University17, Case Western Reserve University18, American Museum of Natural History19, California Institute of Technology20, Australian National University21, Lawrence Berkeley National Laboratory22, University of Ljubljana23, Drexel University24, Pennsylvania State University25, Valparaiso University26, Austin Peay State University27, Adler Planetarium28, Johns Hopkins University29, Carnegie Institution for Science30, National Centre for Radio Astrophysics31, Texas Tech University32
TL;DR: The Sloan Extension for Galactic Understanding and Exploration (SEGUE) Survey as mentioned in this paper obtained approximately 240,000 moderate-resolution spectra from 3900 to 9000 of fainter Milky Way stars (14.0 10 per resolution element).
Abstract: The Sloan Extension for Galactic Understanding and Exploration (SEGUE) Survey obtained {approx}240,000 moderate-resolution (R {approx} 1800) spectra from 3900 {angstrom} to 9000 {angstrom} of fainter Milky Way stars (14.0 10 per resolution element, stellar atmospheric parameters are estimated, including metallicity, surface gravity, and effective temperature. SEGUE obtained 3500 deg{sup 2} of additional ugriz imaging (primarily at low Galactic latitudes) providing precise multicolor photometry ({sigma}(g, r, i) {approx} 2%), ({sigma}(u, z) {approx} 3%) and astrometry ({approx}0.1) for spectroscopic target selection. The stellar spectra, imaging data, and derived parameter catalogs for this survey are publicly available as part of Sloan Digital Sky Survey Data Release 7.
1,133 citations
TL;DR: It is argued here that in universes that do not recollapse, the only bound on the cosmological constantlambda is that it should not be so large as to prevent the formation of gravitationally bound states, and it turns out that the bound is quite large.
Abstract: In recent cosmological models, there is an "anthropic" upper bound on the cosmological constant $\ensuremath{\Lambda}$. It is argued here that in universes that do not recollapse, the only such bound on $\ensuremath{\Lambda}$ is that it should not be so large as to prevent the formation of gravitationally bound states. It turns out that the bound is quite large. A cosmological constant that is within 1 or 2 orders of magnitude of its upper bound would help with the missing-mass and age problems, but may be ruled out by galaxy number counts. If so, we may conclude that anthropic considerations do not explain the smallness of the cosmological constant.
1,132 citations
Authors
Showing all 95138 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| George M. Whitesides | 240 | 1739 | 269833 |
| Eugene Braunwald | 230 | 1711 | 264576 |
| Yi Chen | 217 | 4342 | 293080 |
| Robert J. Lefkowitz | 214 | 860 | 147995 |
| Joseph L. Goldstein | 207 | 556 | 149527 |
| Eric N. Olson | 206 | 814 | 144586 |
| Hagop M. Kantarjian | 204 | 3708 | 210208 |
| Rakesh K. Jain | 200 | 1467 | 177727 |
| Francis S. Collins | 196 | 743 | 250787 |
| Gordon B. Mills | 187 | 1273 | 186451 |
| Scott M. Grundy | 187 | 841 | 231821 |
| Michael S. Brown | 185 | 422 | 123723 |
| Eric Boerwinkle | 183 | 1321 | 170971 |
| Aaron R. Folsom | 181 | 1118 | 134044 |
| Jiaguo Yu | 178 | 730 | 113300 |