Results 11 to 20 of about 1,600,228 (291)

Restricted color $n$-color compositions [PDF]

open access: yesJournal of Combinatorics, 2021
Agarwal introduced $n$-color compositions in 2000 and most subsequent research has focused on restricting which parts are allowed. Here we focus instead on restricting allowed colors. After three general results, giving recurrence formulas for the cases of given allowed colors, given prohibited colors, and colors satisfying modular conditions, we ...
Hopkins, Brian, Wang, Hua
openaire   +2 more sources

Colored percolation [PDF]

open access: yesPhysical Review E, 2017
A model named `Colored Percolation' has been introduced with its infinite number of versions in two dimensions. The sites of a regular lattice are randomly occupied with probability $p$ and are then colored by one of the $n$ distinct colors using uniform probability $q = 1/n$.
Kundu, Sumanta, Manna, S. S.
openaire   +3 more sources

Color Vision: Decoding Color Space [PDF]

open access: yesCurrent Biology, 2021
A new study has used magnetoencephalography to track cortical responses to color as they emerge in time. Similarities and differences within these neural responses parallel characteristics of the perceptual experience of color.
Retter, Talia, Webster, Michael A.
openaire   +3 more sources

The Semiotics of Colors in Al Maghout Poetry [PDF]

open access: yesدراسات في اللغة العربيّة وآدابها, 2017
Mohammed Maghout expresses his feelings through colors and uses colors to communicate his ideas. He also uses colors to define and characterize his poetry and render it different from what is conventional so that it provokes more, appeals to the eye as ...
Tayseer Graykous, Fadia Sulaiman
doaj   +1 more source

Phenotypic variation from waterlogging in multiple perennial ryegrass varieties under climate change conditions

open access: yesFrontiers in Plant Science, 2022
Identifying how various components of climate change will influence ecosystems and vegetation subsistence will be fundamental to mitigate negative effects.
Carl A. Frisk   +8 more
doaj   +1 more source

Sport, the arts, and fans’ loyalty: the role of color for sport fans

open access: yesFrontiers in Psychology, 2023
Sport fandom has attracted far-ranging research attention. Fans’ commitment, loyalty, and sense of affinity are abundantly expressed in a long list of life practices.
Ron Schleifer, Ilan Tamir
doaj   +1 more source

On Partitioning Colored Points [PDF]

open access: yes, 2010
P. Kirchberger proved that, for a finite subset $X$ of $\mathbb{R}^{d}$ such that each point in $X$ is painted with one of two colors, if every $d+2$ or fewer points in $X$ can be separated along the colors, then all the points in $X$ can be separated ...
Toda, Takahisa
core   +2 more sources

Behavioral Response of Leptoglossus zonatus (Heteroptera: Coreidae) to Stimuli Based on Colors and its Aggregation Pheromone

open access: yesInsects, 2018
The leaf-footed bug Leptoglossus zonatus (Dallas) (Heteroptera: Coreidae) is an important pest in the Americas. However, no preference of colors, sexual behavior nor aggregation pheromone has been reported, which can be used for detection, monitoring ...
Sandra Lisbeth Franco-Archundia   +3 more
doaj   +1 more source

Improved Inapproximability Results for Maximum k-Colorable Subgraph [PDF]

open access: yes, 2009
We study the maximization version of the fundamental graph coloring problem. Here the goal is to color the vertices of a k-colorable graph with k colors so that a maximum fraction of edges are properly colored (i.e.
Guruswami, Venkatesan, Sinop, Ali Kemal
core   +2 more sources

Judging Others by Your Own Standards: Attractiveness of Primate Faces as Seen by Human Respondents

open access: yesFrontiers in Psychology, 2018
The aspects of facial attractiveness have been widely studied, especially within the context of evolutionary psychology, which proposes that aesthetic judgements of human faces are shaped by biologically based standards of beauty reflecting the mate ...
Silvie Rádlová   +2 more
doaj   +1 more source

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