Results 51 to 60 of about 1,901,618 (330)

Network topology drives population temporal variability in experimental habitat networks

open access: yesPopulation Ecology, EarlyView.
Habitat patches connected by dispersal pathways form habitat networks. We explored how network topology affects population outcomes in laboratory experiments using a model species (Daphnia carinata). Central habitat nodes in complex lattice networks exhibited lower temporal variability in population sizes, suggesting they support more stable ...
Yiwen Xu   +3 more
wiley   +1 more source

3-Manifold Perspective on Surface Homeomorphisms for Surfaces with Very Negative Euler Characteristic [PDF]

open access: yes, 2017
The goal of this paper is to show for a compact triangulated 3-manifold M with boundary which fibers over the circle that whenever F is a fiber with sufficiently negative Euler characteristic the monodromymaps an essential simple closed curve or an ...
Harris, Michael
core   +2 more sources

Real Gromov-Witten Theory in All Genera and Real Enumerative Geometry: Properties

open access: yes, 2018
The first part of this work constructs positive-genus real Gromov-Witten invariants of real-orientable symplectic manifolds of odd "complex" dimensions; the present part focuses on their properties that are essential for actually working with these ...
Georgieva, Penka, Zinger, Aleksey
core   +1 more source

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves [PDF]

open access: yes, 2020
Spatially resolving exoplanet features from single-point observations is essential for evaluating the potential habitability of exoplanets. The ultimate goal of this protocol is to determine whether these planetary worlds harbor geological features and ...
Fan, Siteng, Yung, Yuk L.
core  

Geographic variation in walking activity in the red flour beetle Tribolium castaneum

open access: yesPopulation Ecology, EarlyView.
This study examined whether there is geographic variation in field populations, focusing on the moving activity in the red flour beetle Tribolium castaneum. Results showed significant differences in moving activity among field populations but no correlation with latitude or meteorological factors.
Kentarou Matsumura
wiley   +1 more source

A comparative analysis of web-based GIS applications using usability metrics [PDF]

open access: yes, 2015
With the rapid expansion of the internet, Web-based Geographic Information System (WGIS) applications have gained popularity, despite the interface of the WGIS application being difficult to learn and understand because special functions are needed to ...
Abdulmonim, Dhafer Abdulameer
core  

Surface Brightness Variation of the Contact Binary SW Lac: Clues From Doppler Imaging

open access: yes, 2012
In this study, we present the preliminary light curve analysis of the contact binary SW Lac, using B, V light curves of the system spanning 2 years (2009 - 2010).
Albayrak   +3 more
core   +1 more source

occumb: An R package for site occupancy modeling of eDNA metabarcoding data

open access: yesPopulation Ecology, EarlyView.
This study introduces a new R package, occumb, for the convenient application of site occupancy modeling using environmental DNA (eDNA) metabarcoding data. We outline a data analysis workflow, including data setup, model fitting, model assessment, and comparison of potential study settings based on model predictions, all of which can be performed using
Keiichi Fukaya, Yuta Hasebe
wiley   +1 more source

Hierarchical map representation using vector maps and geometrical maps for self-localization11 This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

open access: yesIATSS Research, 2022
Map-based self-localization estimates the pose of the self-driving vehicle in an environment, becoming an essential part of autonomous driving tasks.
Yuki Endo, Taiki Izawa, Shunsuke Kamijo
doaj   +1 more source

Presentation of homotopy types under a space [PDF]

open access: yes, 2010
We compare the structure of a mapping cone in the category Top^D of spaces under a space D with differentials in algebraic models like crossed complexes and quadratic complexes. Several subcategories of Top^D are identified with algebraic categories.
Baues, Hans-Joachim, Bleile, Beatrice
core  

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