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NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, ISSN 0362-546X, 07/2015, Volume 121, pp. 188 - 205
We prove some L-p-Liouville theorems for hypoelliptic second order Partial Differential Operators left translation invariant with respect to a Lie group... 
MATHEMATICS | MATHEMATICS, APPLIED | Liouville theorems | Invariant Partial Differential Operators | Hypoelliptic operators on Lie groups | SPACES
Journal Article
Nonlinear Analysis, Theory, Methods & Applications, ISSN 0362-546X, 07/2015, Volume 121, pp. 188 - 205
We prove some L super(p)-Liouville theorems for hypoelliptic second order Partial Differential Operators left translation invariant with respect to a Lie group... 
Operators | Theorems | Law | Lie groups | Nonlinearity | Translations | Invariants
Journal Article
Nonlinear Analysis: Theory, Methods & Applications, ISSN 0362-546X, 07/2015, Volume 121, pp. 188 - 205
Journal Article
Journal of Mathematical Sciences, ISSN 1072-3374, 11/2010, Volume 171, Issue 1, pp. 22 - 33
If $ \mathcal{L} = \sum\limits_{j = 1}^m {X_j^2} + {X_0} $ is a Hörmander partial differential operator in $ {\mathbb{R}^N} $ , we give sufficient conditions... 
Mathematics, general | Mathematics
Journal Article
ADVANCES IN MATHEMATICS, ISSN 0001-8708, 03/1996, Volume 118, Issue 2, pp. 177 - 243
Journal Article
Journal of Mathematical Sciences, ISSN 1072-3374, 11/2010, Volume 171, Issue 1, p. 22
If L = [summation with index].sub.j = 1.sup.m X.sub.j.sup.2 + X.sub.0 is a Hormander partial differential operator in R.sup.N , we give sufficient conditions... 
Journal Article
Earth-Science Reviews, ISSN 0012-8252, 01/2015, Volume 140, Issue C, pp. 108 - 157
Journal Article
11/2014
We prove some $L^p$-Liouville theorems for hypoelliptic second order Partial Differential Operators left translation invariant with respect to a Lie group... 
Mathematics - Analysis of PDEs
Journal Article
Mathematics and Computers in Simulation, ISSN 0378-4754, 2010, Volume 80, Issue 10, pp. 2109 - 2114
Nowadays, Monte Carlo techniques are very common for the development of Nuclear Medicine systems. Simulations can be very helpful for the optimization of SPECT... 
Particle transport | Nuclear Medicine | Detector modeling | Monte Carlo | COMPUTER SCIENCE, SOFTWARE ENGINEERING | MATHEMATICS, APPLIED | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Journal Article
Journal Article
Journal Article
IEEE Transactions on Nuclear Science, ISSN 0018-9499, 02/2009, Volume 56, Issue 1, pp. 51 - 56
Journal Article
Journal Article
The Cryosphere, ISSN 1994-0416, 07/2014, Volume 8, Issue 4, pp. 1361 - 1373
Moderate-Resolution Imaging spectroradiometer (MODIS) land surface temperatures in Antarctica were processed in order to produce a gridded data set at 25 km... 
Environmental Science(all) | Earth and Planetary Sciences(all) | VARIABILITY | HEAT | BOUNDARY-LAYER | GEOGRAPHY, PHYSICAL | GEOSCIENCES, MULTIDISCIPLINARY | QUALITY | PERFORMANCE | CYCLES | GREENLAND ICE-SHEET | SIMULATION | IN-SITU | AUTOMATIC WEATHER STATIONS
Journal Article
Medical Physics, ISSN 0094-2405, 10/2013, Volume 40, Issue 10, pp. 101902 - n/a
Purpose: A characterization of a clinical unit for digital radiography (FUJIFILM FDR D-EVO) is presented. This system is based on the irradiation side sampling... 
detective quantum efficiency | the detector being a liquid | Measurement of nuclear or x‐radiation | the detector being a crystal | biodiffusion | with semiconductor detectors | Modulation transfer functions | optical transfer function | solid scintillation detectors | digital radiology | Particle beam detectors | modulation transfer function | Medical imaging | Scintillation detectors | diagnostic radiography | Photons | Biological material, e.g. blood, urine; Haemocytometers | X‐ray detectors | Plates or blocks in which tracks of nuclear particles are made visible by after‐treatment, e.g. using photographic emulsion, using mica | the detector being made of plastics | Image sensors | Phosphors | Tubes for determining the presence, intensity, density or energy of radiation or particles | irradiation side sampling | Digital radiography | Spatial resolution | Digital radiology | Modulation transfer function | Detective quantum efficiency | Irradiation side sampling | PERFORMANCE EVALUATION | PSYCHOPHYSICAL CHARACTERIZATION | IMAGE QUALITY | SYSTEMS | PHYSICAL-CHARACTERIZATION | CHEST RADIOGRAPHY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | CONTRAST-DETAIL ANALYSIS | AMORPHOUS SELENIUM | FLAT-PANEL DETECTORS | Cesium - chemistry | Iodides - chemistry | Humans | Gadolinium - chemistry | Radiographic Image Enhancement - methods | Sulfides - chemistry | INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY | GADOLINIUM | IRRADIATION | SPATIAL RESOLUTION | CESIUM IODIDES | RADIOLOGY AND NUCLEAR MEDICINE | TRANSFER FUNCTIONS | QUANTUM EFFICIENCY | SOLID SCINTILLATION DETECTORS | RADIOLOGY | SCINTILLATIONS
Journal Article
Parkinsonism and Related Disorders, ISSN 1353-8020, 02/2018, Volume 47, pp. 64 - 70
In this study we attempt to automatically classify individual patients with different parkinsonian disorders, making use of pattern recognition techniques to... 
MR markers | Support vector machines | Parkinsonian disorders | Feature selection | Graph-based features | CRITERIA | DIAGNOSIS | CEREBELLAR | CLINICAL NEUROLOGY | ACCURACY | MULTIPLE SYSTEM ATROPHY | DISEASE | DIFFERENTIATION | PROGRESSIVE SUPRANUCLEAR PALSY
Journal Article
Physics in Medicine and Biology, ISSN 0031-9155, 02/2016, Volume 61, Issue 4, pp. 1634 - 1649
Journal Article