Results 71 to 80 of about 29,520 (201)

A Class of Quantum LDPC Codes Constructed From Finite Geometries

, 2008
Low-density parity check (LDPC) codes are a significant class of classical codes with many applications. Several good LDPC codes have been constructed using random, algebraic, and finite geometries approaches, with containing cycles of length at least ...
Aly, Salah A.
core   +1 more source

Stepwise Regulation of Cellular Oxidative Stress via Conductive‐Piezoelectric Integrated Microstructured Conduits for Enhanced Nerve Regeneration

Advanced Science, Volume 13, Issue 13, 3 March 2026.
This study presents a conductive‐piezoelectric integrated microstructured conduit for peripheral nerve regeneration. The conduit combines reduced graphene oxide with a piezoelectric nanofiber membrane, enhancing nerve repair through physical guidance, oxidative stress inhibition, and ultrasound‐activated electrical stimulation.
Dong Zhou, Mengxuan Bian, Lingyu Wei, Binghuang Yao, Qi Chen, Lan Xiao, Jing He, Jian Zhang, Yulin Li, Libo Jiang   +9 more
wiley   +1 more source

Type-II QC-LDPC Codes From Multiplicative Subgroup of Prime Field

IEEE Access, 2020
A quasi-cyclic (QC) low-density parity-check (LDPC) code is called type-II, if the maximum weight over all circulants appearing in the parity-check matrix has the value of two. On the basis of multiplicative subgroup analysis for the prime field, a novel
Guohua Zhang, Yulin Hu, Defeng Ren, Yuanhua Liu, Yang Yang   +4 more
doaj   +1 more source

Periodic Cosmological Evolutions of Equation of State for Dark Energy

, 2012
We demonstrate two periodic or quasi-periodic generalizations of the Chaplygin gas (CG) type models to explain the origins of dark energy as well as dark matter by using the Weierstrass $\wp(t)$, $\sigma(t)$ and $\zeta(t)$ functions with two periods ...
Amendola, Cai, Capozziello, Csaki, Durrer, Gulgasyl Nugmanova, Kazuharu Bamba, Kuralay Yesmakhanova, Lu, Nojiri, Petr Tsyba, Ratbay Myrzakulov, Ujjal Debnath   +12 more
core   +3 more sources

Peering Inside Tropical Cyclones With the WIVERN Space‐Borne Doppler Radar

Earth and Space Science, Volume 13, Issue 3, March 2026.
Abstract The WIVERN (Wind Velocity Radar Nephoscope) mission significantly enhances the global tropical cyclone observing system. Operating from a 500 km near‐polar orbit, the 3 m diameter conically scanning antenna provides an 800 km swath. The radar operated at 94 GHz (3 mm wavelength) provides high‐resolution observations with a vertical resolution ...
Alessandro Battaglia, Francesco Manconi, Massimiliano Recupero, Cinzia Cambiotti, Marco Coppola, Antonio Parodi, Frederic Tridon, Simone Mantovani, Pavlos Kollias, David S. Nolan, Marcel Kleinherenbrink, Maryam Pourshamsi   +11 more
wiley   +1 more source

Seismo‐Acoustic Evidence for Meteoric Water Modulation of Hydrothermal Fluid Discharge

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 3, March 2026.
Abstract Deciphering the signal of external processes on active hydrothermal dynamics represents a critical challenge in understanding volcanic unrest. At the Pisciarelli hydrothermal site, located within the densely populated Campi Flegrei caldera (Italy), we investigate the role of meteoric water influx in modulating shallow hydrothermal fluid ...
Rebecca Sveva Morelli, Dario Delle Donne, Stefano Caliro, Lucia Nardone, Massimo Orazi, Alessandro Aiuppa, Ciro Buonocunto, Aldo Benincasa, Antonella Bobbio, Antonio Caputo, Prospero De Martino, Sergio Gammaldi, Danilo Galluzzo, Flora Giudicepietro, Francesco Liguoro, Vincenzo Morra, Lucia Pappalardo, Rosario Peluso, Patrizia Ricciolino, Francesco Rufino, Giovanni Scarpato, Maria Grazia Soldovieri, Anna Tramelli, Mauro Antonio Di Vito   +23 more
wiley   +1 more source

Tanner $(J,L)$ Quasi-Cyclic LDPC Codes: Girth Analysis and Derived Codes

IEEE Access, 2019
Girth plays an important role in the design of low-density parity-check (LDPC) codes. Motivated by the works on the girth of some classes of Tanner quasi-cyclic (QC) LDPC codes, e.g., Tanner (3, 5), (3, 7), (3, 11), and (5, 7) codes, we, in this paper ...
Hengzhou Xu, Huaan Li, Baoming Bai, Min Zhu, Bo Zhang   +4 more
doaj   +1 more source

Circulant Arrays on Cyclic Subgroups of Finite Fields: Rank Analysis and Construction of Quasi-Cyclic LDPC Codes

, 2010
This paper consists of three parts. The first part presents a large class of new binary quasi-cyclic (QC)-LDPC codes with girth of at least 6 whose parity-check matrices are constructed based on cyclic subgroups of finite fields.
Abdel-Ghaffar, Khaled, Ding, Zhi, Lin, Shu, Zhang, Li, Zhou, Bo   +4 more
core  

Liberalism as a Way of Political Life: The Case of George Brandis

Australian Journal of Politics &History, Volume 72, Issue 1, Page 123-142, March 2026.
The lawyer, politician, and diplomat George Brandis was the leading intellectual representative of moderate or “small‐l” liberalism in the contemporary Liberal Party. He criticised John Howard for an ad hoc balancing of liberalism and conservatism. Brandis believed the Liberal Party necessarily included conservatives, but to him their role was to be a ...
Geoffrey Robinson
wiley   +1 more source

Designing Protograph-Based Quasi-Cyclic Spatially Coupled LDPC Codes With Large Girth

IEEE Transactions on Communications, 2020
Spatially coupled (SC) low-density parity-check (LDPC) codes can achieve capacity approaching performance with low message recovery latency when using sliding window (SW) decoding.
Shiyuan Mo, Li Chen, D. Costello, David G. M. Mitchell, R. Smarandache, Jieqi Qiu   +5 more
semanticscholar   +1 more source