Results 71 to 80 of about 127,892 (269)

Tiles with no spectra

open access: yes, 2006
We exhibit a subset of a finite Abelian group, which tiles the group by translation, and such that its tiling complements do not have a common spectrum (orthogonal basis for their L-2 space consisting of group characters).
Kolountzakis, M. N., Matolcsi, Máté
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

Relaxation of Wegner's Planar Graph Conjecture for maximum degree 4

open access: yes, 2022
The famous Wegner's Planar Graph Conjecture asserts tight upper bounds on the chromatic number of the square G2 of a planar graph G, depending on the maximum degree Δ(G) of G. The only case that the conjecture is resolved is when Δ(G)=3, which was proven
Cho, Eun-Kyung   +2 more
core  

Quasi-isolated blocks and Brauer's height zero conjecture [PDF]

open access: yes, 2012
Received: 19 December 2011 Revised: 16 October 2012 Accepted: 16 November 2012Peer ...
Malle, Gunter   +6 more
core   +1 more source

Linking neurogenesis, oligodendrogenesis, and myelination defects to neurodevelopmental disruption in primary mitochondrial disorders

open access: yesFEBS Letters, EarlyView.
Mitochondrial remodeling shapes neural and glial lineage progression by matching metabolic supply with demand. Elevated OXPHOS supports differentiation and myelin formation, while myelin compaction lowers mitochondrial dependence, revealing mitochondria as key drivers of developmental energy adaptation.
Sahitya Ranjan Biswas   +3 more
wiley   +1 more source

Why do Collatz series converge? [PDF]

open access: yes, 2014
The aim of this study was to investigate why Collatz series, starting with positive whole numbers, always seem to converge (i.e. end in the 4,2,1 cycle), regardless of their initial behaviour.
Kanber, Baris, B Kanber (666864)
core   +1 more source

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

Complex Hadamard matrices and the spectral set conjecture

open access: yes, 2006
By analyzing the connection between complex Hadamard matrices and spectral sets, we prove the direction "spectral double right arrow tile" of the Spectral Set Conjecture, for all sets A of size \A\
Kolountzakis, M. N., Matolcsi, Máté
core  

roarin-roran/Towards-the-5-over-6-Density-Conjecture-of-Pinwheel-Scheduling: Towards the 5/6-Density Conjecture in Pinwheel Scheduling ALENEX '22 code

open access: yes, 2021
code used to generate the experiments in our '22 ALENEX paper "Towards the 5/6-Density Conjecture in Pinwheel ...
Ben Smith
core   +1 more source

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