Results 31 to 40 of about 2,115,111 (294)

Dynamics of the Transition corona [PDF]

open access: yes, 2014
Magnetic reconnection between open and closed magnetic field in the corona is believed to play a crucial role in the corona/heliosphere coupling. At large scale, the exchange of open/closed connectivity is expected to occur in pseudo-streamer structures.
DeLuca, Ed   +4 more
core   +3 more sources

1-Safe Petri nets and special cube complexes: equivalence and applications

open access: yes, 2019
Nielsen, Plotkin, and Winskel (1981) proved that every 1-safe Petri net $N$ unfolds into an event structure $\mathcal{E}_N$. By a result of Thiagarajan (1996 and 2002), these unfoldings are exactly the trace regular event structures.
Chalopin, Jérémie, Chepoi, Victor
core   +3 more sources

Are periodic solar wind number density structures formed in the solar corona? [PDF]

open access: yes, 2009
[1] We present an analysis of the alpha to proton solar wind abundance ratio (AHe) during a period characterized by significant large size scale density fluctuations, focusing on an event in which the proton and alpha enhancements are anti-correlated. In
Kasper, J.   +2 more
core   +2 more sources

Configuration structures, event structures and Petri nets [PDF]

open access: yesTheoretical Computer Science, 2009
Contributed to the Festschrift for Mogens Nielsen's 60th ...
van Glabbeek, R.J., Plotkin, Gordon
openaire   +2 more sources

Spatial structures in event-place formation

open access: yesJournal of Architecture and Urbanism
Event-places occupy different physical layouts, but we lack a comprehensive understanding of their structures and arrangements. This study aims to uncover some of these patterns by examining various urban spaces recognized as event-places.
Manoochehr Moazzami, Faezeh Tafreshi
doaj   +1 more source

To be at the right place at the right time

open access: yesDiagnostic Pathology, 2011
Aim To analyze the hypothesis of events or neighborhood interactions that is based upon recognizable structures of systems which possess a surface in a four dimensional space - time constellation {x, y, z, t}. To include the theory of hierarchic order of
Goldmann Torsten   +3 more
doaj   +1 more source

Data Structures on Event Graphs [PDF]

open access: yesAlgorithmica, 2012
15 pages, 7 figures, a preliminary version appeared in Proc.
Chazelle, Bernard, Mulzer, Wolfgang
openaire   +3 more sources

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Signature of Granular Structures by Single-Event Intensity Interferometry

open access: yes, 2004
The observation of a granular structure in high-energy heavy-ion collisions can be used as a signature for the quark-gluon plasma phase transition, if the phase transition is first order in nature. We propose methods to detect a granular structure by the
Wong, Cheuk-Yin, Zhang, Wei-Ning
core   +1 more source

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