Results 81 to 90 of about 84,678 (251)
Brief introduction to tropical geometry
, 2015 The paper consists of lecture notes for a mini-course given by the authors at the G\"okova Geometry \& Topology conference in May 2014. We start the exposition with tropical curves in the plane and their applications to problems in classical enumerative ...
Brugallé, Erwan +3 more
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Tropical Principal Component Analysis and its Application to Phylogenetics [PDF]
, 2017 Principal component analysis is a widely-used method for the dimensionality reduction of a given data set in a high-dimensional Euclidean space. Here we define and analyze two analogues of principal component analysis in the setting of tropical geometry.
Yoshida, Ruriko, Zhang, Leon, Zhang, Xu
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ChemMedChem, EarlyView.Schematic representation depicting the influence of phosphine ligand identity on the biological and physicochemical characteristics of Pt(II) complexes: PTA promotes antileishmanial activity, PPh2(Php–COOH) strengthens antiviral activity, and TCEP enhances fluorescence.
Antonio A. de Oliveira‐Neto +12 more
wiley +1 more source
PLoS ONE, 2013 Many invasive species exploit the disturbed habitats created by human activities. Understanding the effects of habitat disturbance on invasion success, and how disturbance interacts with other factors (such as biotic resistance to the invaders from the ...
Elisa Cabrera-Guzmán +3 more
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Developing a macroecology for human‐altered ecosystems
Ecography, EarlyView.Although anthropogenically‐induced ecological disruptions are fundamentally important in defining ecosystem properties, they are largely overlooked by macroecological theory. Anthropogenic disruptions and their effects are generally not comparable to one another, nor to disturbances that are part of natural disturbance regimes.
Erica A. Newman +7 more
wiley +1 more source
Clouds, Circulation, and Climate Sensitivity in a Radiative‐Convective Equilibrium Channel Model
Journal of Advances in Modeling Earth Systems, 2017 Tropical cloud and circulation changes are large sources of uncertainty in future climate change. This problem owes partly to the scale separation between large‐scale tropical dynamics ( ∼104 km) and convective dynamics ( ∼1 km), which generally requires
Timothy W. Cronin, Allison A. Wing
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Ecography, EarlyView.Species diversity typically increases from higher to lower latitudes, but the regional‐scale variation along this geographic gradient remains unclear. It has been suggested that species diversity throughout Amazonia generally increases westward toward the Andes, but this pattern and its environmental determinants require further investigation for most ...
Pilar L. Maia‐ Braga +14 more
wiley +1 more source
Affine Buildings and Tropical Convexity
, 2007 The notion of convexity in tropical geometry is closely related to notions of convexity in the theory of affine buildings. We explore this relationship from a combinatorial and computational perspective.
Joswig, Michael +2 more
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Exponential sums equations and tropical geometry
Selecta Mathematica, 2023 AbstractZilber’s Exponential-Algebraic Closedness Conjecture states that algebraic varieties in $${{\mathbb {C}}}^n \times ({{\mathbb {C}}}^\times )^n$$ C n ×
openaire +3 more sources
Flexible methods for species distribution modeling with small samples
Ecography, EarlyView.Species distribution models (SDMs) predict where species live or could potentially live and are a key resource for ecological research and conservation decision‐making. However, current SDM methods often perform poorly for rare or inadequately sampled species, which include most species on earth, as well as most of those of the greatest conservation ...
Brian S. Maitner +4 more
wiley +1 more source