Results 31 to 40 of about 3,406,124 (331)
Dynamical Equations, Invariants and Spectrum Generating Algebras of Mechanical Systems with Position-Dependent Mass [PDF]
, 2013 We analyze the dynamical equations obeyed by a classical system with position-dependent mass. It is shown that there is a non-conservative force quadratic in the velocity associated to the variable mass.
Cruz, Sara Cruz y, Rosas-Ortiz, Oscar
core +4 more sources
Papéis Avulsos de Zoologia, 2007 Notas e descrições em Acanthoderini (Coleoptera, Cerambycidae, Lamiinae). I. Novos táxons e novos registros. Descrição de espécies novas: Zikanita egregia sp. nov. (Bolívia, Santa Cruz); Dufauxia thomasi sp. nov.
Ubirajara R. Martins +1 more
doaj +1 more source
Mixed weak type estimates: Examples and counterexamples related to a problem of E. Sawyer [PDF]
, 2016 We study mixed weighted weak-type inequalities for families of functions, which can be applied to study classical operators in harmonic analysis. Our main theorem extends the key result from D. Cruz-Uribe, J.M. Martell and C.
Ombrosi, Sheldy, Perez, Carlos
core +5 more sources
Las hermandades y cofradías de la Vera Cruz en el País Vasco
Hispania Sacra, 2009 En este artículo se analiza y valora el período en que se produjeron en el País Vasco las primeras fundaciones de las Hermandades y Cofradías de la Vera Cruz, así como la importancia que tuvo el culto a la Cruz en este territorio.
Ernesto García Fernández
doaj +1 more source
Iheringia: Série Zoologia, 2005 Trata-se da descrição de novas espécies de Adetus LeConte, 1852, provenientes da Bolívia (Santa Cruz): Adetus cacapira sp. nov. e A. cecamirim sp. nov.; do Peru (Cuzco) e da Bolívia (Santa Cruz): A. inca sp. nov. e do México (Veracruz): A.
Ubirajara R. Martins +1 more
doaj +1 more source
Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing
FEBS Letters, EarlyView.Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley +1 more source
PLoS ONE, 2015 The taxonomy of giant Galapagos tortoises (Chelonoidis spp.) is currently based primarily on morphological characters and island of origin. Over the last decade, compelling genetic evidence has accumulated for multiple independent evolutionary lineages ...
N. Poulakakis +11 more
semanticscholar +1 more source
The Lancet, 2020 Summary Background Spain is one of the European countries most affected by the COVID-19 pandemic. Serological surveys are a valuable tool to assess the extent of the epidemic, given the existence of asymptomatic cases and little access to ...
M. Pollán +109 more
semanticscholar +1 more source
Multiple ETS family transcription factors bind mutant p53 via distinct interaction regions
FEBS Letters, EarlyView.Mutant p53 gain‐of‐function is thought to be mediated by interaction with other transcription factors. We identify multiple ETS transcription factors that can bind mutant p53 and found that this interaction can be promoted by a PXXPP motif. ETS proteins that strongly bound mutant p53 were upregulated in ovarian cancer compared to ETS proteins that ...
Stephanie A. Metcalf +6 more
wiley +1 more source
¿Cruz Roja o Cruces Rojas? Argentina y México en perspectiva histórica (1864-1923)
Historia Mexicana El Colegio de México, 2022 Se analizan los primeros años de la Cruz Roja argentina y la de México desde 1864, bajo la coordinación del Comité Internacional de la Cruz Roja, hasta 1923, cuando se organizó la Liga de las Sociedades de la Cruz Roja y se dieron cita diversas naciones
María Silvia Di Liscia
doaj +1 more source