Results 11 to 20 of about 4,939 (206)

Bumblebee [PDF]

open access: yes2009 Annual Conference & Exposition Proceedings, 2020
Comment: 15 ...
Brian Rodrigue   +5 more
openaire   +2 more sources

Quantifying the relative predation pressure on bumblebee nests by the European badger (Meles meles) using artificial nests

open access: yesEcology and Evolution, 2020
Bumblebee populations are declining. Factors that impact the size and success of colonies act by either limiting resource availability (bottom‐up regulation) or causing mortality, for example, pesticides, disease, and possibly predation (top‐down ...
Bethany R. Roberts   +2 more
doaj   +1 more source

Rotating BTZ-like black hole and central charges in Einstein-bumblebee gravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
We obtain an exact rotating BTZ-like black hole solution by solving the corresponding gravitational field equations and the bumblebee motion equations in Einstein-bumblebee gravity theory.
Chikun Ding   +5 more
doaj   +1 more source

BumbleBee: A Transformer for Music

open access: yesCoRR, 2021
We will introduce BumbleBee, a transformer model that will generate MIDI music data . We will tackle the issue of transformers applied to long sequences by implementing a longformer generative model that uses dilating sliding windows to compute the attention layers. We will compare our results to that of the music transformer and Long-Short term memory
Lucas Fenaux, Maria Juliana Quintero
openaire   +3 more sources

Metric-affine bumblebee gravity: classical aspects

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We consider the metric-affine formulation of bumblebee gravity, derive the field equations, and show that the connection can be written as Levi-Civita of a disformally related metric in which the bumblebee field determines the disformal part.
Adrià Delhom   +4 more
doaj   +1 more source

Braneworlds in bumblebee gravity

open access: yesNuclear Physics B, 2023
We investigate thick-brane solutions within the five-dimensional bumblebee gravity in the presence of a real scalar field. Specifically, we implement the Lorentz symmetry breaking scenario within this context and obtain brane-like structures.
M.A. Marques   +3 more
doaj   +1 more source

Interspecific Variation in Bumblebee Performance on Pollen Diet: New Insights for Mitigation Strategies. [PDF]

open access: yesPLoS ONE, 2016
Bumblebees (i.e. Bombus genus) are major pollinators of flowering wild plants and crops. Although many species are currently in decline, a number of them remain stable or are even expanding.
Romain Moerman   +4 more
doaj   +1 more source

Influence of Pollination Technique on Greenhouse Tomato Production

open access: yesJournal of Agricultural and Marine Sciences, 2003
An experiment was carried out to study the effects of four pollination techniques; Bumblebees (Bombus terrerstris L.), plant growth bioregulator (PGB) (Parachlorophenoxy acetic acid), hand vibration, and control (natural pollination) on tomato ...
I.K. Nazer, M.A. Kasrawi, Y.Z. Al-Attal
doaj   +1 more source

Evidence for Handedness in Bumblebees [PDF]

open access: yesJournal of Insect Behavior, 2001
We describe a simple study of how bumblebees (Bombus spp.) behave when visiting florets which are arranged in a circle around a vertical inflorescence. In four species of bees, individuals showed a tendency for rotation in the same direction around each inflorescence on successive visits, i.e., each individual tended to go either clockwise or ...
Kells, Andrea.R., Goulson, Dave
openaire   +2 more sources

Einstein–Bumblebee-dilaton black hole solution

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
We obtain new black hole solutions in a Einstein–Bumblebee-scalar theory. By starting with a Einstein–Bumblebee theory in ( $$D+d$$ D + d ) dimensions, the scalar dilaton field and its interaction with the gravitational and Bumblebee fields are obtained ...
L. A. Lessa, J. E. G. Silva
doaj   +1 more source

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