Results 61 to 70 of about 1,615,322 (259)

K-d-frames and their duals [PDF]

open access: yesMathematica Moravica
In this paper, we define a linear bounded operator for double sequences and give a new generalization of frame called K-d-frame. We establish that K-d-frame is square summable in norm for finite dimensional separable Hilbert spaces and prove some results
Pauriyal Neha, Joshi Mahesh C.
doaj   +1 more source

Exact duals and short certificates of infeasibility and weak infeasibility in conic linear programming [PDF]

open access: yesMathematical programming, 2015
In conic linear programming—in contrast to linear programming—the Lagrange dual is not an exact dual: it may not attain its optimal value, or there may be a positive duality gap. The corresponding Farkas’ lemma is also not exact (it does not always prove
Minghui Liu, G. Pataki
semanticscholar   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Compare and contrast between duals of fusion and discrete frames [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2017
Fusion frames are valuable generalizations of discrete frames. Most concepts of fusion frames are shared by discrete frames. However, the dual setting is so complicated.
Elnaz Osgooei, Ali akbar Arefijammal
doaj  

New Characterizations of Riesz-Type Frames and Stability of Alternate Duals of Continuous Frames

open access: yesAdvances in Mathematical Physics, 2013
We give new characterizations of Riesz-type frames, on equivalent conditions for a continuous frame to be a Riesz-type frame and on equivalency relations between Riesz-type frames and continuous frames. We characterize also the Riesz-type frames by using
Zhong-Qi Xiang
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Approximate Duals Introduced by Multipliers and Their Role in the Reconstruction of Signals

open access: yesپژوهش‌های ریاضی, 2019
Paper pages (237-252) Introduction ‎Frames for Hilbert spaces were first introduced by Duffin and‎ ‎Schaeffer in 1952 to study some problems in nonharmonic‎ ‎Fourier series‎, ‎reintroduced in 1986 by Daubechies‎, ‎Grossmann and‎ ‎Meyer‎.
Morteza Mirzaee Azandaryani   +1 more
doaj  

Health care utilization among Medicare-Medicaid dual eligibles: a count data analysis

open access: yesBMC Public Health, 2006
Background Medicare-Medicaid dual eligibles are the beneficiaries of both Medicare and Medicaid. Dual eligibles satisfy the eligibility conditions for Medicare benefit.
Shin Jaeun, Moon Sangho
doaj   +1 more source

Generalizations of reflected entropy and the holographic dual

open access: yesJournal of High Energy Physics, 2020
We introduce a new class of quantum and classical correlation measures by generalizing the reflected entropy to multipartite states. We define the new measures for quantum systems in one spatial dimension.
Jinwei Chu, Runze Qi, Yang Zhou
doaj   +1 more source

Applying binary logic to analysis of media function of serious games [PDF]

open access: yesمطالعات رسانه‌های نوین, 2019
Relation between logic and computer games can be investigated in two fields: 1. applying logic in design and generating computer games. 2. Applying logic in perceiving and using computer games.
masoud kousari   +3 more
doaj   +1 more source

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