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Stomatal and mesophyll conductance are dominant limitations to photosynthesis in response to heat stress during severe drought in a temperate and a tropical tree species
High temperature Water deficit Water use efficiency Carbon exchange Vcmax
2023/12/6
Drought and heat stress cause a significant reduction in forest primary production. The current study aims to determine the major limitations to photosynthesis in a temperate and tropical tree species...
Limitations of Diels-Alder Dynamic Covalent Networks as Thermal Conductivity Switches
thermal conductivity thermal switching dynamic covalent networks RAFT polymerization Diels-Alder cross-linking
2023/12/1
Creating polymers that exhibit a switchable thermal conductivity requires a fundamental understanding of how polymer structure and inter- and intramolecular interactions influence thermal transport. T...
Designs, applications, and limitations of genetically encoded fluorescent sensors to explore plant biology
plant biology spatial dynamics imaging systems
2023/12/1
The understanding of signaling and metabolic processes in multicellular organisms requires knowledge of the spatial dynamics of small molecules and the activities of enzymes, transporters, and other p...
Computational Limitations in Robust Classification and Win-Win Results
Robust Classification Learning Parity with Noise
2019/2/28
We continue the study of statistical/computational tradeoffs in learning robust classifiers, following the recent work of Bubeck, Lee, Price and Razenshteyn who showed examples of classification tasks...
18 Seconds to Key Exchange: Limitations of Supersingular Isogeny Diffie-Hellman on Embedded Devices
Post-quantum cryptography supersingular isogeny SIDH
2018/11/8
The quantum secure supersingular isogeny Diffie-Hellman (SIDH) key exchange is a promising candidate in NIST's on-going post-quantum standardization process. The evaluation of various implementation c...
Laboratory methodologies for indicators of iron status: strengths, limitations, and analytical challenges
iron analysis ferritin soluble transferrin receptor total body iron NHANES iron methodologies
2018/11/21
Biochemical assessment of iron status relies on serum-based indicators, such as serum ferritin (SF), transferrin saturation, and soluble transferrin receptor (sTfR), as well as erythrocyte protoporphy...
PROBLEMS AND LIMITATIONS OF SATELLITE IMAGE ORIENTATION FOR DETERMINATION OF HEIGHT MODELS
ZY3 WorldView-2 Pleiades Cartosat-1 systematic errors
2017/7/12
The usual satellite image orientation is based on bias corrected rational polynomial coefficients (RPC). The RPC are describing the direct sensor orientation of the satellite images. The locations of ...
ACCOUNTING FOR VARIANCE IN HYPERSPECTRAL DATA COMING FROM LIMITATIONS OF THE IMAGING SYSTEM
Supervised classification decorrelation Mahalanobis distance Signal-to-noise ratio (SNR) Bayesian approach Principal component analysis Pixel-wise calibration
2016/11/23
Over the course of the past few years, a number of methods was developed to incorporate hyperspectral imaging specifics into generic data mining techniques, traditionally used for hyperspectral data p...
Limitations of the review and meta-analysis of fish and PUFA intake and mild-to-severe cognitive impairment risks: a dose-response meta-analysis of 21 cohort studies
Limitation meta-analysis of fish 21 cohort studies
2018/12/13
The recent meta-analysis by Zhang et al. (1) on fish and PUFA intake and the risk of mild-to-severe cognitive impairment raises several methodologic issues that have important implications for the int...
Finding Significant Fourier Coefficients: Clarifications, Simplifications, Applications and Limitations
Significant Fourier transform Goldreich-Levin algorithm Kushilevitz-Mansour algorithm
2016/7/13
Ideas from Fourier analysis have been used in cryptography for three decades. Akavia, Goldwasser
and Safra unified some of these ideas to give a complete algorithm that finds significant
Fourier coe...
The study by McCrory et al (1) in this issue of the Journal
explores the association between obesity, body fatness, and
dietary variety. As we continue to search for potential determinants
of obesi...
Limitations of Spectral Electromyogramic Analysis to Determine the Onset of Neuromuscular Fatigue Threshold during Incremental Ergometer Cycling
Cycling neuromuscular fatigue surface electromyography motor unit recruitment spectral EMG analysis
2016/3/11
Recently, a new method has been proposed to detect the onset of neuromuscular fatigue during an incremental cycling test by assessing the changes in spectral electromyographic (sEMG) frequencies withi...
On the Possibilities and Limitations of Computational Fuzzy Extractors
error-correcting code leakage-resilient cryptography key encapsulation mechanism
2016/1/8
Fuller et al. (Asiacrypt 2013) studied on computational fuzzy extractors, and showed, as a
negative result, that the existence of a computational “secure sketch” implies the existence of an
informat...
Zeroizing Without Low-Level Zeroes: New MMAP Attacks and Their Limitations
Cryptanalysis Hardness Assumptions Multilinear Maps
2015/12/29
We extend the recent zeroizing attacks of Cheon, Han, Lee, Ryu and Stehl磂 (Eurocrypt?5)
on multilinear maps to settings where no encodings of zero below the maximal level are available.
Some of the ...
On Limitations of the Fiat瓥Shamir Transformation
zero-knowledge sigma protocol adaptive security
2015/12/24
It has long been known (Shoup and Gennaro 1998 [1]) that non-interactive proofs in the
Random Oracle model that rely on rewinding extractors can be problematic. Recent results by
Seurin and Treger [...