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Microtubules are dynamic intracellular fibers that have been observed experimentally to undergo spontaneous self-alignment. We formulate a three-dimensional (3D) mean-field theory model to analyze the nematic phase transition of microtubules growing and interacting within a 3D space, then make a comparison with computational simulations. We identify a control parameter Geff and predict a unique cr
We study input and state constrained inverse optimal control problems starting from a stabilizing controller with a control Lyapunov function, where the goal is to make the controller an explicit solution of the resulting constrained optimal control problem. For an appropriate cost design and initial states for which a sublevel set of the Lyapunov function is contained in the state constraint set
The genus Parvoplaca is extended with four new species: P. candanii from Antarctica, P. lamprocarpa from Alaska, and P. macroborealis and P. tenebrosa from Oregon. Collections identified as P. tiroliensis are shown to form two independent clades when DNA was analyzed, but it is currently not clear which clade represents the species in a strict sense. Parvoplaca athallina has been considered an Ant
Within the lichen family Teloschistaceae, a high number of genera are restricted to the extreme southern part of the Southern Hemisphere. The taxonomy and phylogeny of the southern genus Gondwania have been analyzed based upon fieldwork in Antarctica, Patagonia, New Zealand and Tasmania and subsequent studies including molecular methods. Five species are accepted in the genus Gondwanea including G
The Sustainable Development Goals (SDGs) with their 169 targets and 231 indicators epitomise the trend of global governance by numbers. This article suggests the notion of a global “indicator reporting trajectory” that is shaped by three main elements: the politics of indicators, a reporting infrastructure and indicator advocacy. I propose that indicator reporting trajectories may result either in
Extracellular vesicles (EVs) play a crucial role in intercellular communication by transferring bioactive molecules from donor to recipient cells. As a result, EV fusion leads to the modulation of cellular functions and has an impact on both physiological and pathological processes in the recipient cell. This study explores the impact of EV fusion on cellular responses to inflammatory signaling. O
En impression från inledningen av det pågående forskningsprojektet Där litteraturen äger rum med anledning av tilldelningen av Svenska Akademiens franska stipendium för vistelse på Svenska institutet i Paris.
This article investigates how an industry leveraged media coverage to publicly oppose governmental policy. Based on a frame analysis of the political contest between the mining industry and the Australian government over a proposed tax on resource corporations, we show how the industry aligned its position with mass media to (a) make the policy contest salient, (b) frame their position in the cont
Corporations play an increasingly significant role in public policy and democratic politics. This article seeks to understand how corporate political activities gain political influence through intertextual strategies. The analysis is conducted on the texts produced by the Australian government in proposing a new tax as well as the texts produced by the mining industry in campaigning against the t
Digital transformations have significant consequences for organizational attempts to shape their environments. Our focus is on how corporate political activity evolves in ways that require us to pay more attention to how information gets structured in digital spaces, and on how information ecosystems operate and shape strategic communication activities in organizational settings. We outline these
Quantum annealing has shown promise for finding solutions to difficult optimization problems, including protein folding. Recently, we used the D-Wave Advantage quantum annealer to explore the folding problem in a coarse-grained lattice model, the HP model, in which amino acids are classified into two broad groups: hydrophobic (H) and polar (P). Using a set of 22 HP sequences with up to 64 amino ac
Traditionally, CPA scholarship has either assumed away policy intermediaries completely, or depicted them as corporate mouthpieces. Meanwhile, research on policy intermediaries has portrayed actors such as think tanks, PR firms and lobbying firms as far more active and self-interested. Our study investigates this puzzle by attending to the question: ‘Whose political agenda is expressed by intermed
