Matheuristics for Variants of the Dominating Set Problem

ALBUQUERQUE, MAYRA CARVALHO

doi:10.17771/pucrio.acad.34169

Cited by 2 publications

(3 citation statements)

References 63 publications

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“…According to our findings, there is a linear relationship between the impact strength and the fiber weight fraction above 6% fiber weight fraction. This is in agreement with other studies [25,26].…”

Section: Impact Propertiessupporting

confidence: 94%

Date palm fibers as polymeric matrix reinforcement: DPF/polyester composite properties

Al-Kaabi¹,

Al-Khanbashi²,

Hammami³

2005

Polym. Compos.

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Due to increased awareness on the part of end users and pressure from legislators, the composite industry has begun investigating the possibility of increasing the proportion of recycled or biodegradable composite materials. Accordingly, efforts are being deployed to find alternative reinforcement and resin systems that are environmentally friendly while providing the same performance as their synthetic counterparts. Natural fibers offer the potential to act as a reinforcing material for low to medium strength applications. In this study a natural fiber extracted from the date palm tree was used as reinforcement for polymeric matrix composites. Polyester composite specimens reinforced with date palm fibers (DPF) were subjected to various types of mechanical and physical tests in order to assess their performance. Results show that these fibers may yield reasonable properties and could be used for low-cost applications that require low to medium strength. Tests indicate, however, that additional work is needed to enhance the compatibility between the fiber and the matrix. POLYM. COMPOS., 26:604 -613, 2005.

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Section: Impact Propertiessupporting

confidence: 94%

Date palm fibers as polymeric matrix reinforcement: DPF/polyester composite properties

Al-Kaabi¹,

Al-Khanbashi²,

Hammami³

2005

Polym. Compos.

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“…This mass range is of cosmological interest [145][146][147][148]. The possible involvement of such dark matter candidates in the generation of ultra-high energy cosmic rays has been widely discussed [47,48,[149][150][151]. To access the relevant SIMP phase space, PMT gain is relaxed in comparison to the background and characteri-zation studies described in the previous sections.…”

Section: Ongoing Experimentation and Expected Sensitivitymentioning

confidence: 99%

“…SIMPs with masses in the MeV to GeV range and strong self-interactions are able to address astronomical puzzles hard to tackle with a standard dissipationless WIMP [42][43][44][45][46]. SIMPs may also play a role in the formation of ultrahigh energy cosmic rays [47,48]. A recurring concept in this area is the existence of a window of unexplored dark matter phase space for m χ few GeV, and nuclear scattering crosssections of O(1) micro-barn and above [49][50][51].…”

Section: Introductionmentioning

confidence: 99%

Search for a nonrelativistic component in the spectrum of cosmic rays at Earth

Collar

2018

Phys. Rev. D

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Dark matter particles gravitationally bound to our galaxy should exhibit a characteristic speed distribution limited by their escape velocity at the position of the Earth (vesc 550 km/s). An ongoing search for anomalous cosmic rays at Earth, kinematically similar to cold dark matter, is described. The technique can discriminate between these and known slow-moving particles such as neutrons, would be sensitive to telltale signatures from presently unexplored candidates, and offers the possibility of identifying the mediating type of interaction (nuclear vs. electron recoils). Studies of background identification and abatement in a shallow underground site are presented. The expected reach of the method is discussed, and illustrated by obtaining the first limits for dark matter particles lighter than 100 MeV/c 2 interacting via nuclear recoils. PACS numbers: 95.35.+d, 96.50.Zc, 29.40.Mc

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Matheuristics for Variants of the Dominating Set Problem

Cited by 2 publications

References 63 publications

Date palm fibers as polymeric matrix reinforcement: DPF/polyester composite properties

Date palm fibers as polymeric matrix reinforcement: DPF/polyester composite properties

Search for a nonrelativistic component in the spectrum of cosmic rays at Earth

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