Results 21 to 30 of about 87,667 (308)

Sunflowers in Lattices [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2005
A Sunflower is a subset $S$ of a lattice, with the property that the meet of any two elements in $S$ coincides with the meet of all of $S$. The Sunflower Lemma of Erdös and Rado asserts that a set of size at least $1 + k!(t-1)^k$ of elements of rank $k$ in a Boolean Lattice contains a sunflower of size $t$.
openaire   +2 more sources

ALGEBRAIC SUNFLOWERS

open access: yes, 2023
We study sunflowers within the context of finitely generated substructures of ultrahomogeneous structures. In particular, we look at bounds on how large a set system is needed to guarantee the existence of sunflowers of a given size. We show that if we fix the size of the sunflower, the function which takes the size of the substructures in our set ...
Ackerman, Nathanael, Mirabi, Mostafa
openaire   +2 more sources

Validation of the Child Post-Traumatic Cognitions Inventory in Korean survivors of sexual violence

open access: yesChild and Adolescent Psychiatry and Mental Health, 2018
Background Dysfunctional cognitions related to trauma is an important factor in the development and maintenance of post-traumatic stress disorder symptoms in children and adolescents.
Han Byul Lee   +8 more
doaj   +1 more source

Sterol concentration and distribution in sunflower seeds (Helianthus annuus L.) during seed development [PDF]

open access: yes, 2010
Sunflower seeds are currently used for edible oil production. Among oil minor compounds, phytosterols are of special interest due to their cholesterol reducing properties.
Merah, O   +12 more
core   +1 more source

Differences in Trauma-Related Guilt in Females with History of Sexual Violence Based on Insomnia Severity [PDF]

open access: yesSleep Medicine Research, 2018
Background and Objective Females with history of sexual violence report a high percentage of insomnia. Guilt is a common symptom among this group. This study investigated differences in trauma-related guilt cognition between females of sexual violence ...
Sora Han   +6 more
doaj   +1 more source

On sunflowers and matrix multiplication [PDF]

open access: yescomputational complexity, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Noga Alon   +2 more
openaire   +5 more sources

Expression of FLOWERING LOCUS C and a frameshift mutation of this gene on chromosome 20 differentiate a summer and winter annual biotype of Camelina sativa

open access: yesPlant Direct, 2018
The nature of the vegetative to reproductive transition in the shoot apical meristem of Camelina sativa summer annual cultivar CO46 and winter annual cultivar Joelle was confirmed by treating seedlings with or without 8 weeks of vernalization.
James V. Anderson   +8 more
doaj   +1 more source

Anaphylaxis to Sunflower Seed with Tolerance to Sunflower Oil: A Case Report

open access: yesMedicina, 2021
Sunflower seeds (Helianthus annuus) are an uncommon source of allergy; however, some cases of allergy to sunflower seeds have been reported. Sunflower seed sensitization occurs to storage proteins (2S albumins) and lipid transfer proteins (LTPs).
Jin An
doaj   +1 more source

Effect of Intercropping Sunflower Cultivars with Different Plant Densities and Gurma Watermelon Pulp in Relation to Yield [PDF]

open access: yesJournal of Plant Production, 2023
A two - year study was carried out to determine the effects of intercropping Gurma watermelon pulp and sunflower cultivars with various plant densities in Itai El-Baroud, Research Station, El  Behaira Governorate, Agriculture of Research Center  Giza ...
A. Zen El-Dein,, M. Koriem
doaj   +1 more source

FACTORS EVALUATION AFFECTING SUNFLOWER OIL PRICES IN UKRAINE [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2022
In the article were evaluated factors that influence on Ukrainian sunflower oil prices. There was made price analysis, where domestic sunflower seed prices and European sunflower oil prices were taken into account.
Oksana MAKARCHUK, Tetyana KUTS
doaj  

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