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Dénes Kőnig
Dénes Kőnig (1884–1944) was a Hungarian mathematician at the Technical University of Budapest who wrote the first graph theory textbook in 1936 and proved foundational matching results.
Dengying Formation
Dengying Formation: terminal Ediacaran (551–541 Ma) dolomite unit on the Yangtze platform, South China, with four members, microbialite fossil Lagerstätten, and giant Sichuan Basin gas reservoirs.
DENIS
DENIS (DEep Near-Infrared Survey of the Southern Sky) was a European astronomical survey that imaged the southern sky in one optical and two near-infrared bands from La Silla, Chile.
Denis Bartolo
Denis Bartolo is a French physicist and professor at the École Normale Supérieure de Lyon, known for pioneering experimental and theoretical work on active matter.
Denis Jacquemin
Denis Jacquemin, born 1974 in Dinant, Belgium, is a theoretical and quantum chemist, professor at Nantes Université since 2010, known for benchmarking TD-DFT and modeling dye spectra.
Denis Jérôme
Denis Jérôme, born in Paris in 1939, is a French condensed-matter physicist who, with Klaus Bechgaard, discovered superconductivity in an organic compound at Orsay, winning the 1991 Europhysics Prize.
Denise L. Mauzerall
Denise L. Mauzerall is an atmospheric scientist who studies air pollution, energy systems, and climate policy; a Princeton professor since 1999, she is a 2023 American Geophysical Union Fellow.
Dennis Baldocchi
Dennis Baldocchi is a biometeorologist and emeritus professor at the University of California, Berkeley, who helped develop eddy covariance and led FLUXNET for two decades.
Dennis G. Hall
Dennis G. Hall (born 1968) is a Canadian organic chemist at the University of Alberta known for boron chemistry, especially organoboronic acids in catalysis and drug discovery.
Dennis Gabor
Dennis Gabor (Gábor Dénes, 1900 to 1979) was a Hungarian-born British electrical engineer and physicist who won the 1971 Nobel Prize in Physics for inventing holography.
Dennis Gaitsgory
Dennis Gaitsgory (born 1973) is a mathematician at Harvard and the Max Planck Institute for Mathematics in Bonn, known for the geometric Langlands program.
Dennis L. Hartmann
Dennis L. Hartmann is an American atmospheric scientist, Emeritus Professor at the University of Washington, known for research on cloud-radiative feedbacks, climate dynamics, and the stratosphere.
Dennis Lettenmaier
Dennis P. Lettenmaier is an American hydrologist, Distinguished Professor Emeritus at UCLA, known for the VIC model and elected to the National Academy of Engineering in 2010.
Dennis Lindley
Dennis Lindley (1923–2013) was a British statistician, decision theorist, and leading advocate of Bayesian statistics, known for Lindley's paradox, Lindley's equation, and coining Cromwell's rule.
Dennis P. Curran
Dennis P. Curran is an American organic chemist at the University of Pittsburgh, on its faculty since 1981, known for developing fluorous synthesis and radical reactions in drug synthesis.
Dennis R. Salahub
Dennis R. Salahub is a Canadian theoretical and computational chemist, Professor Emeritus at the University of Calgary, known for density functional theory and the deMon software.
Dennis Sciama
Dennis Sciama (1926–1999) was a British cosmologist who defended the steady state model of the Universe, recanted over quasar data, and mentored Stephen Hawking and Martin Rees.
Dennis Sullivan
Dennis Sullivan, born 1941, is an American mathematician working in topology and dynamical systems, known for rational homotopy theory and the no-wandering-domain theorem, and winner of the 2022 Abel Prize.
Dennis V. Kent
Dennis V. Kent, born 1946 in Prague, is an American paleomagnetist at Lamont-Doherty and Rutgers known for geomagnetic polarity reversals, magnetostratigraphy, and calibrating the geologic time scale.
Dennis Zaritsky
Dennis Zaritsky is an observational astronomer and Regents Professor at the University of Arizona's Steward Observatory, known for work on dark matter and satellite galaxies.
Denotational semantics
Denotational semantics, also known as the Scott-Strachey approach, is a formal method assigning each programming language phrase a mathematical meaning, built compositionally from its parts using domain theory.
Dense set
A dense set, sometimes called an everywhere-dense set, is a subset of a topological space that intersects every nonempty open set, such as the rationals in the reals.
Density
Density, also called mass density or volumetric density, is a material's mass divided by its volume, ρ = m/V, usually given in kg/m³ or g/cm³.
Density estimation
Density estimation is the statistical task of recovering a probability density function from observed data, using parametric mixture models or nonparametric methods like kernel density estimation.
Density evolution
Density evolution is an analytical technique in coding theory that tracks the probability densities of messages exchanged by iterative decoders, predicting code ensemble performance and yielding the decoding threshold.
Density functional theory
Density functional theory (DFT) is a quantum-mechanical method for calculating the electronic structure of atoms, molecules, and solids using electron density rather than wave functions.
Density functional theory volcano plots for HER/OER
Density functional theory volcano plots are activity maps for the hydrogen and oxygen evolution reactions, plotting adsorption free energies from DFT against predicted rates or overpotentials.
Density functional tight binding
Density functional tight binding (DFTB) is an approximate quantum-chemical method deriving a tight-binding model from density functional theory, running roughly 100 to 1000 times faster at modest accuracy cost.
Density matrix
The density matrix, or density operator, is the most general description of a quantum state, covering both pure states and statistical mixtures; it was introduced by von Neumann and Landau in 1927.
Density matrix embedding theory
Density matrix embedding theory (DMET) is a quantum embedding method for computing ground-state properties of large quantum systems by dividing them into fragments, each solved as a small impurity problem.