Giovanni Stegel

ORCID: 0000-0002-7378-2328
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About
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Research Areas
  • Parasitic infections in humans and animals
  • Advanced Memory and Neural Computing
  • Congenital Anomalies and Fetal Surgery
  • EEG and Brain-Computer Interfaces
  • X-ray Spectroscopy and Fluorescence Analysis
  • Neural dynamics and brain function
  • Differential Equations and Boundary Problems
  • Advanced X-ray and CT Imaging
  • Analytic and geometric function theory
  • Amoebic Infections and Treatments
  • Image Processing Techniques and Applications
  • Breastfeeding Practices and Influences
  • Geometry and complex manifolds
  • Parasites and Host Interactions
  • Cell Image Analysis Techniques
  • Meromorphic and Entire Functions
  • Nonlinear Waves and Solitons
  • Electron and X-Ray Spectroscopy Techniques
  • Geometric Analysis and Curvature Flows
  • Cultural Heritage Materials Analysis
  • Nonlinear Partial Differential Equations
  • Neural Networks and Applications
  • Advanced X-ray Imaging Techniques
  • Nuclear Physics and Applications

University of Sassari
2009-2022

Istituto Zooprofilattico Sperimentale della Sardegna
2015

Background Cystic echinococcosis (CE) is an important neglected zoonotic parasitic infection belonging to the subgroup of seven Neglected Zoonotic Disease (NZDs) included in World Health Organization's official list 18 Tropical Diseases (NTDs). CE causes serious global human health concerns and leads significant economic losses arising from costs medical treatment, morbidity, life impairments fatality rates cases. Moreover, endemic several Italian Regions. The aim this study perform a...

10.1371/journal.pntd.0005771 article EN cc-by PLoS neglected tropical diseases 2017-07-26

The brain exhibits capabilities of fast incremental learning from few noisy examples, as well the ability to associate similar memories in autonomously-created categories and combine contextual hints with sensory perceptions. Together sleep, these mechanisms are thought be key components many high-level cognitive functions. Yet, little is known about underlying processes specific roles different states. In this work, we exploited combination context perception a thalamo-cortical model based...

10.1371/journal.pcbi.1009045 article EN cc-by PLoS Computational Biology 2021-06-28

10.1016/j.nima.2009.05.037 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2009-05-20

This paper introduces a new automatic system of counting based on the elaboration digital images cellular colonies grown on petri dishes. This is mainly based region-growing algorithms for recognition of Regions Of Interest (ROI) in image and Sanger’s neural network the characterization such regions. Moreover recognition most important filters made alternative respect to approach. The Graphics Users Interface introduced. better final classification supplied from Feed- Forward Neural...

10.1393/ncc/i2007-10273-3 article EN 2007-01-01

In this paper we examine the chemical composition results obtained on a collection of 18 dinosaur fossil bones from Spain studied using portable x-ray fluorescence spectrometer together with reverse Monte Carlo numerical technique data analysis. This approach is applied to hypothesis arbitrarily rough surfaces in order account for influence surface state specimens content evaluation. It confirmed that elements essential understanding changes brought about by diagenetic and taphonomic...

10.1088/0031-8949/88/01/015802 article EN Physica Scripta 2013-06-11

Depleted metals have been produced since many centuries ago. Probably the most famous examples from ancient times are so-called Tumbaga gold artifacts, whose production was introduced by pre-Colombian civilizations. Tumbaga-like structures identified also in modern nanotechnological materials. In both cases, but specially for Tumbaga, due to their preciousness, characterization should be obtained non-destructive analysis. Several analytical protocols developed, some of them non-destructive,...

10.3390/ma15134452 article EN Materials 2022-06-24

In this paper we consider some nodal solutions of the H\'enon problem in unit disc with Dirichlet boundary conditions and show that they are quasiradial, is to say nonradial, have two regions their line does not touch disc.

10.48550/arxiv.2001.10850 preprint EN other-oa arXiv (Cornell University) 2020-01-01

In this paper we consider some nodal solutions of the Hénon problem in unit disc with Dirichlet boundary conditions and show that they are quasiradial, is to say nonradial, have two regions their line does not touch disc.

10.1512/iumj.2022.71.8904 article EN Indiana University Mathematics Journal 2022-01-01
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