Results 71 to 80 of about 211,321 (287)

The magnetic formalism; new results

open access: yes, 2009
We review recent results on the magnetic pseudo-differential calculus both in symbolic and in $C^*$-algebraic form. We also indicate some applications to spectral analysis of pseudo-differential operators with variable magnetic ...
Iftimie, Viorel   +2 more
core   +2 more sources

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

open access: yesFEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang   +5 more
wiley   +1 more source

La dinámica interdisciplinar del proceso de enseñanza-aprendizaje del Cálculo Diferencial e Integral en la carrera Ingeniería Civil Model of the interdisciplinary dynamics of the teaching-learning process of Differential and Integral Calculus in the Civil Engineering career

open access: yesTransformación, 2018
The current information society demands that civil engineers have an adequate command of the contents of Differential and Integral Calculus as a basis for their successful professional performance.
Nilda Iglesias Domecq   +2 more
doaj  

Research on Application of Fractional Calculus Operator in Image Underlying Processing

open access: yesFractal and Fractional
Fractional calculus extends traditional, integer-based calculus to include non-integer orders, offering a powerful tool for a range of engineering applications, including image processing.
Guo Huang   +5 more
doaj   +1 more source

El movimiento de la variable en el cálculo diferencial: orientaciones didácticas / The movement of the variable in the differential calculation: didactics orientations [PDF]

open access: yesTransformación, 2017
The paper describes didactic alternative procedures to the interpretation of the movement of the variable, from three perspectives: the movement of the variable approaching to a straight-line, the movement of the variable to infinity and the movement of ...
Neel Lobatchewski Báez Ureña   +2 more
doaj  

The Caenorhabditis elegans DPF‐3 and human DPP4 have tripeptidyl peptidase activity

open access: yesFEBS Letters, EarlyView.
The dipeptidyl peptidase IV (DPPIV) family comprises serine proteases classically defined by their ability to remove dipeptides from the N‐termini of substrates, a feature that gave the family its name. Here, we report the discovery of a previously unrecognized tripeptidyl peptidase activity in DPPIV family members from two different species.
Aditya Trivedi, Rajani Kanth Gudipati
wiley   +1 more source

The homotopy analysis method for q-difference equations

open access: yesAin Shams Engineering Journal, 2018
The q-difference equations are kind of important problems in q-calculus and applied mathematics. In this paper, the homotopy analysis method is extended to find approximate solution for some of q-differential equations.
Mourad S. Semary, Hany N. Hassan
doaj   +1 more source

Crosstalk between the ribosome quality control‐associated E3 ubiquitin ligases LTN1 and RNF10

open access: yesFEBS Letters, EarlyView.
Loss of the E3 ligase LTN1, the ubiquitin‐like modifier UFM1, or the deubiquitinating enzyme UFSP2 disrupts endoplasmic reticulum–ribosome quality control (ER‐RQC), a pathway that removes stalled ribosomes and faulty proteins. This disruption may trigger a compensatory response to ER‐RQC defects, including increased expression of the E3 ligase RNF10 ...
Yuxi Huang   +8 more
wiley   +1 more source

The Fractional Differential Polynomial Neural Network for Approximation of Functions

open access: yesEntropy, 2013
In this work, we introduce a generalization of the differential polynomial neural network utilizing fractional calculus. Fractional calculus is taken in the sense of the Caputo differential operator.
Rabha W. Ibrahim
doaj   +1 more source

Optimization Problems in Spanish Differential Calculus Books Published in the 18th Century [PDF]

open access: gold, 2022
José Carlos Casas‐Rosal   +3 more
openalex   +1 more source

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