Results 91 to 100 of about 1,349,598 (293)

Transgression of D-branes

open access: yes, 2018
Closed strings can be seen either as one-dimensional objects in a target space or as points in the free loop space. Correspondingly, a B-field can be seen either as a connection on a gerbe over the target space, or as a connection on a line bundle over ...
Bunk, Severin, Waldorf, Konrad
core  

Small loop spaces

open access: yesTopology and its Applications, 2010
The notion of small loops arises in covering spaces as an obstruction to being semi-locally simply connected, cf. [\textit{N. Brodskiy} et al., Houston J. Math. 39, No. 2, 667--699 (2013; Zbl 1278.55024)] and Fundam. Math. 218, No. 1, 13--46 (2012; Zbl 1260.55013)].
openaire   +1 more source

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

Digital twin for in – space manufacturing: a comprehensive review from framework to future

open access: yesVirtual and Physical Prototyping
Digital Twin (DT) provides a pivotal solution to space manufacturing bottlenecks through high-fidelity simulation and closed-loop control. This paper systematically reviews DT for space manufacturing.
Lei Wang   +6 more
doaj   +1 more source

Investigation of Costas Loop Synchronization Effect on BER Performance of Space Uplink Optical Communication System With BPSK Scheme

open access: yesIEEE Photonics Journal, 2015
The Costas loop is the key technique of synchronous demodulation in the next generation of satellite optical communication systems. To better understand the Costas loop, the relationship between phase deviation of the Costas loop and bit error rate (BER)
Mi Li   +5 more
doaj   +1 more source

Loop Equations as a Generalized Virasoro Constraints

open access: yes, 1994
The loop equations in the $U(N)$ lattice gauge theory are represented in the form of constraints imposed on a generating functional for the Wilson loop correlators. These constraints form a closed algebra with respect to commutation.
Bowick   +11 more
core   +1 more source

dUTPase is essential in zebrafish development and possesses several single‐nucleotide variants with pronounced structural and functional consequences

open access: yesFEBS Open Bio, EarlyView.
dUTPases are involved in balancing the appropriate nucleotide pools. We showed that dUTPase is essential for normal development in zebrafish. The different zebrafish genomes contain several single‐nucleotide variations (SNPs) of the dut gene. One of the dUTPase variants displayed drastically lower protein stability and catalytic efficiency as compared ...
Viktória Perey‐Simon   +6 more
wiley   +1 more source

1-loop amplitudes from the Halohedron

open access: yesJournal of High Energy Physics, 2019
We recently proposed the Halohedron to be the 1-loop Amplituhedron for planar 𝜙3 theory. Here we prove this claim by showing how it is possible to extract the integrand for the partial amplitude m n 1 $$ {m}_n^1 $$ (l, ..., n|1, ...
Giulio Salvatori
doaj   +1 more source

Collapsible loop antenna for space vehicle Patent [PDF]

open access: yes, 1963
Collapsible, space erectable loop antenna system for space ...
Mitchum, L. L., Jr., Wagner, H. R.
core   +1 more source

The role of lipid metabolism in neuronal senescence

open access: yesFEBS Open Bio, EarlyView.
Disrupted lipid metabolism, through alterations in lipid species or lipid droplet accumulation, can drive neuronal senescence. However, lipid dyshomeostasis can also occur alongside neuronal senescence, further amplifying tissue damage. Delineating how lipid‐induced senescence emerges in neurons and glial cells, and how it contributes to ageing and ...
Dikaia Tsagkari   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy