Results 51 to 60 of about 1,126,709 (293)

Asymptotic enumeration of orientations [PDF]

Discrete Mathematics & Theoretical Computer Science, 2010
We find the asymptotic number of 2-orientations of quadrangulations with n inner faces, and of 3-orientations of triangulations with n inner vertices.
Stefan Felsner, Eric Fusy, Marc Noy
doaj   +1 more source

On the phase transitions of graph coloring and independent sets

, 2002
We study combinatorial indicators related to the characteristic phase transitions associated with coloring a graph optimally and finding a maximum independent set.
Ahuja, Barbosa, Barbosa, Barbosa, Barbosa, Barbosa, Berge, Boettcher, Bollobás, Bollobás, Brélaz, Carraghan, Cherkassky, Cormen, Culberson, Deming, Dilworth, Gallai, Garey, Giordana, Hartmann, Johnson, Karp, Lass, Mitchell, Monasson, Roy, Rubens G. Ferreira, Stanley, Stanley, Stanley, Valmir C. Barbosa, Vo, Weigt, Wu   +34 more
core   +2 more sources

Counting Unique-Sink Orientations [PDF]

, 2013
Unique-sink orientations (USOs) are an abstract class of orientations of the n-cube graph. We consider some classes of USOs that are of interest in connection with the linear complementarity problem.
Bernd Gärtner, Chandrasekaran, Chung, Cottle, Dedekind, Develin, Edelsbrunner, Fischer, Foniok, Gärtner, Gärtner, Gärtner, Jan Foniok, Kleitman, Lorenz Klaus, Mangasarian, Markus Sprecher, Matoušek, Miyazawa, Morris, Morris, Murty, Pang, Saigal, Samelson, Schurr, Stickney, Warren   +27 more
core   +3 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

Impact of Printing Orientation on the Accuracy of Additively Fabricated Denture Base Materials: A Systematic Review

Dentistry Journal
Printing orientation is one of the printing parameters that affect the properties of three-dimensional (3D)-printed resins. Different printing orientations and directions have been suggested; however, no clear and specific orientations are recommended in
Maram A. AlGhamdi, Mohammed M. Gad
doaj   +1 more source

Orientations of hamiltonian cycles in large digraphs [PDF]

, 1986
We prove that, with some exceptions, every digraph with n ≥ 9 vertices and at least (n - 1) (n - 2) + 2 arcs contains all orientations of a Hamiltonian ...
Adam Pawel Wojda, O Technology, P O Box, Twente Unlverslty   +3 more
core   +2 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

A Comment on Junction and Energy Conditions in Thin Shells

, 1994
This comment contains a suggestion for a slight modification of Israel's covariant formulation of junction conditions between two spacetimes, placing both sides on equal footing with normals having uniquely defined orientations.
Barrabès C, Dalia S Goldwirth, Eisenhart C, Hawking S W, Israel W, Israel W, J Katz, Lynden-Bell D, Sato H   +8 more
core   +1 more source

Consensus under Misaligned Orientations [PDF]

, 2017
This paper presents a consensus algorithm under misaligned orientations, which is defined as (i) misalignment to global coordinate frame of local coordinate frames, (ii) biases in control direction or sensing direction, or (iii) misaligned virtual global
Baohua Song (4244161), Charles Quigley (4244164), Edward Fickus (4244158), Guoliang Jiang (546894), Long Yan (172962), Marcio Ferreira (4244152), Nicolle Hofmann (4244155), Perry Cregan (741207), Qijian Song (277210), Shuxian Li (176926), Shuxin Ren (544657)   +10 more
core   +5 more sources