Results 71 to 80 of about 492,455 (357)

The Application of Directional Univariate Structure Functions Analysis for Studying the Spatial Anisotropy of Environmental Variables

Ekológia (Bratislava), 2019
As anisotropy is a fundamental property of the real-world environmental spatial variables, the conventional omnidirectional variograms and correlograms do not provide means enough to characterise spatial dependence between observations.
Svidzinska Daria
doaj   +1 more source

Negative Spatial Autocorrelation: One of the Most Neglected Concepts in Spatial Statistics

Stats, 2019
Negative spatial autocorrelation is one of the most neglected concepts in quantitative geography, regional science, and spatial statistics/econometrics in general.
D. Griffith
semanticscholar   +1 more source

Multivalent Protein Nanorings for Broad and Potent SARS‐CoV‐2 Neutralization

Advanced Healthcare Materials, EarlyView.
A protein‐only, modular multivalent nanoscaffold displaying 20 anchor points, decorated with two different binders (10 of each), targeting the SARS‐CoV‐2 receptor‐binding domain is presented. The construct self‐assembles into stable, biocompatible, homogeneous nanoparticles, exhibit synergistic binding with fM IC50 values. It also detects spike at 9 ng 
Molood Behbahanipour, Carla Goldin, Cecilia Arahi Prato, Ana Luz Paletta, Oriol Bárcenas, Susanna Navarro, Jordi Pujols, Daniel H. Murgida, María Virginia Tribulatti, Sebastián Esperante, Damian Alvarez‐Paggi, Salvador Ventura   +11 more
wiley   +1 more source

Brownian markets

, 2013
Financial market dynamics is rigorously studied via the exact generalized Langevin equation. Assuming market Brownian self-similarity, the market return rate memory and autocorrelation functions are derived, which exhibit an oscillatory-decaying behavior
Baaquie B E, Bachelier L, Black F, Cont R, Dana R A, Doob J L, Einstein A, Frank T D, Gopikrishnan P, Gopikrishnan P, Gu G F, Ito K, Lee M H, Mantegna R N, McCauley J L, Mori H, Mu G H, Pechukas P, Plerou V, Plerou V, Rachev S T, Rostek S, Roumen Tsekov, Rubin R J, Rubin R J, Stratonovich R L, Sznajd-Weron K, Takahashi M, Tsekov R, Tsekov R, Tsekov R, Tsekov R, Tsekov R, Voit J, Voit J, Zhou W X, Zwanzig R   +36 more
core   +1 more source

Optimization Methods for Designing Sequences With Low Autocorrelation Sidelobes [PDF]

IEEE Transactions on Signal Processing, 2014
Unimodular sequences with low autocorrelation are desired in many applications, especially in radar systems and code-division multiple access (CDMA) communication systems.
Junxiao Song, P. Babu, D. Palomar
semanticscholar   +1 more source

Dual‐Functional Polyphosphoesters for Gene Delivery: Synergistic Effects of Guanidinium and Hydrophobic Side Chains in Degradable Polymers

Advanced Healthcare Materials, EarlyView.
This study presents guanidinium‐ and indole‐functionalized polyphosphoesters as degradable, non‐viral gene delivery vectors. Through precise tuning of charge density and hydrophobicity, these polymers form stable polyplexes with low toxicity. Remarkably, minor structural changes yield up to 200‐fold differences in transfection efficiency, highlighting ...
Markus Kötzsche, Andreas Dzierza, Jan Egger, Timo Rheinberger, Christin Weilandt, Frederik R. Wurm, Ivo Nischang, Dagmar Fischer, Kalina Peneva   +8 more
wiley   +1 more source

Meta-rules for Networks (Invited Paper) [PDF]

Journal of Systemics, Cybernetics and Informatics, 2020
This article proposes conceptual approaches for both the design and implementation of network linkages, that dependent on context, should respect interlinking topological and parametric constraints, possess formal properties, be compatible with ...
Gianfranco Minati
doaj  

On Correlation Polynomials and Subword Complexity [PDF]

Discrete Mathematics & Theoretical Computer Science, 2007
We consider words with letters from a $q-ary$ alphabet $\mathcal{A}$. The kth subword complexity of a word $w ∈\mathcal{A}^*$ is the number of distinct subwords of length $k$ that appear as contiguous subwords of $w$.
Irina Gheorghiciuc, Mark Daniel Ward
doaj   +1 more source

Probing Cellular Activity Via Charge‐Sensitive Quantum Nanoprobes

Advanced Materials, EarlyView.
A new quantum sensing modality detects shifts in zero‐field splitting caused by charge rearrangement with diamond nanocrystals in response to cellular activity. These electric‐field‐driven effects provide an alternative to temperature‐based interpretations, enabling real‐time, single‐cell readout of inflammation.
Uri Zvi, Shivam Mundhra, David Ovetsky, Qing Chen, Aidan R. Jones, Stella Wang, Maria J. Román‐Vazquez, Marie Kim, Udoka M. Ibeh, Michele Ferro, Kunle Odunsi, Marina C. Garassino, Michael E. Flatté, Melody A. Swartz, Denis R. Candido, Aaron Esser‐Kahn, Peter C. Maurer   +16 more
wiley   +1 more source

An Improved Map-Matching Technique Based on the Fréchet Distance Approach for Pedestrian Navigation Services

Sensors, 2016
Wearable and smartphone technology innovations have propelled the growth of Pedestrian Navigation Services (PNS). PNS need a map-matching process to project a user’s locations onto maps.
Yoonsik Bang, Jiyoung Kim, Kiyun Yu
doaj   +1 more source