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Isogeny volcanoes are graphs whose vertices are elliptic curves and whose edges are $\ell$-isogenies. Algorithms allowing to travel on these graphs were developed by Kohel in his thesis (1996) and later on, by Fouquet and Morain (2001). However, up to now, no method was known, to predict, before taking a step on the volcano, the direction of this step.
Sorina Ionica+2 more
openaire +6 more sources
Volcanic hazards pose a potential threat to 8% of the world’s population, yet the economic literature on their short- and long-term consequences on household behavior and economic development is still in its infancy. In this article, we present the state of the literature and highlight knowledge gaps and methodological challenges inherent to the ...
Choumert-Nkolo, J.+2 more
openaire +5 more sources
Transition from volcano-sagging to volcano-spreading [PDF]
Many volcanoes exhibit evidence of long-term deformation driven by gravity. This deformation influences the development of magmatic plumbing systems and volcanic vent locations, and it manifests as earthquakes and ground surface motions. Two end-member deformation styles are volcano sagging (flexure) and volcano spreading.
Eoghan P. Holohan+6 more
openaire +3 more sources
Thermally induced convective circulation and precipitation over an isolated volcano [PDF]
Intense rainfall over active volcanoes is known to trigger dangerous volcanic hazards, from remobilizing loose volcanic surface material into lahars or mudflows to initiating explosive activity including pyroclastic flows at certain dome-forming ...
Matthews, Adrian+2 more
core +1 more source
Models of Hawaiian volcano growth and plume structure: Implications of results from the Hawaii Scientific Drilling Project [PDF]
The shapes of typical Hawaiian volcanoes are simply parameterized, and a relationship is derived for the dependence of lava accumulation rates on volcano volume and volumetric growth rate.
DePaolo, D. J., Stolper, E. M.
core +1 more source
From the volcano effect to banding: a minimal model for bacterial behavioral transitions near chemoattractant sources [PDF]
Sharp chemoattractant (CA) gradient variations near food sources may give rise to dramatic behavioral changes of bacteria neighboring these sources. For instance, marine bacteria exhibiting run-reverse motility are known to form distinct bands around ...
Jashnsaz, Hossein+2 more
core +1 more source
Predictability of Volcano Eruption: lessons from a basaltic effusive volcano [PDF]
Volcano eruption forecast remains a challenging and controversial problem despite the fact that data from volcano monitoring significantly increased in quantity and quality during the last decades.This study uses pattern recognition techniques to ...
Aki+27 more
core +2 more sources
Volcanoes muon imaging using Cherenkov telescopes [PDF]
A detailed understanding of a volcano inner structure is one of the key-points for the volcanic hazards evaluation. To this aim, in the last decade, geophysical radiography techniques using cosmic muon particles have been proposed.
Catalano, Osvaldo+5 more
core +2 more sources
Geology of Tindfjallajökull volcano, Iceland [PDF]
The geology of Tindfjallajökull volcano, southern Iceland, is presented as a 1:50,000 scale map. Field mapping was carried out with a focus on indicators of past environments.
Dave McGarvie+10 more
core +3 more sources