Grenoble Institute of Technology

www.grenoble-inp.fr
Grenoble, France

The Grenoble Institute of Technology is a French technological university system consisting of six engineering schools.Grenoble INP also has a 2 year preparatory class programme, an adult education department, as well as 35 laboratories and a graduate school in Engineering science. More than 1,100 engineers graduate every year from Grenoble INP, making it France's biggest grande école.Most of Grenoble INP is located in Grenoble, except for the ESISAR which is located in Valence. Wikipedia.

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News Article | August 7, 2017
Site: www.prnewswire.com

Students – from high school through doctoral candidates – can begin registering for the preliminary rounds of the varied contests in the hope that they will win a chance to play among the world's best in the final rounds of competition November 9-17, 2017, in Brooklyn, Abu Dhabi, France, India, and Israel. Also for the first time this year, students from Canada and Mexico can qualify for the finals in Brooklyn. Ben-Gurion University of the Negev in Beer-Sheva (BGU) will be one of five global hubs for the event's signature competition, Capture the Flag (CTF). CSAW Israel, organized by BGU's Department of Software and Information Systems Engineering and the IBM Cyber Security Center of Excellence (CCoE), is accepting registrations for the qualification round on September 5-6, 2017. The CSAW CTF finals in Israel will be held November 16-17, 2017 at the BGU campus in Beer-Sheva. Final rounds at the other global hubs will be November 9-11. In 2016, NYU Tandon joined with the NYU Abu Dhabi Center for Cyber Security, and the Indian Institute of Technology, Kanpur (IIT-Kanpur) to widen CSAW beyond Brooklyn, New York, for the first time by staging simultaneous final rounds for students in the Middle East, North Africa, and India. Earlier this year, Grenoble INP - Esisar, based in Valence, France, part of the Grenoble Institute of Technology, became the European hub for CSAW. In 2012, Ben-Gurion University became the first Israeli university and one of the first in the world to offer graduate study tracks in cyber security. IBM's Cyber Security Center of Excellence at BGU, established in 2014, is a home for an influential team of IBM security researchers and engineers who investigate emerging cyber threats and solutions in collaboration with BGU researchers.  The Cyber Security Research Center at BGU conducts applied cyber security research. It is located in the new Advanced Technology Park in the Negev, Israel's new 'cyber alley.' "The launch of a new CSAW hub at Ben-Gurion University reflects the spirit of the collaborative innovation between IBM and the university," said Dr. Yaron Wolfsthal, director of IBM's Cyber Center of Excellence at BGU. "This collaboration has previously had many forms, such as joint research on cognitive computing methods for cyber security, and participation of IBM's National CERT analysts in BGU educational programs. The latest introduction of the local CTF competition in Beer-Sheva makes our partnership even more influential in establishing Israel as a cyber security leader." "I believe that the new CSAW initiative with IBM in collaboration with the BGU Software and Information Systems Engineering Department (SISE) and the BGU Cyber Security Research Center is a great opportunity for the advancement of cyber security research at BGU" said Prof. Bracha Shapira, head of the SISE Department. NYU Tandon, NYU Abu Dhabi, Grenoble INP - Esisar, and IIT-Kanpur are now also accepting registrations for the CSAW elimination rounds in September, which last year pitted more than 10,000 students – from high schools through doctoral programs – against global competitors, all working from their own computers. The competitions will challenge their knowledge of virtually every aspect of information security, from hardware and software penetration testing and protection to digital forensics and government policy. This year, the best students from India, parts of the Middle East and North Africa, Europe, the United States, Canada, and Mexico will participate in the final rounds, which will be held November 9-11, 2017. Travel awards and prizes vary by region. At the regional CSAW campuses, students will network with top professionals who serve as judges, hear experts address emerging issues, meet recruiters eager to fill what is expected to be a shortfall of 1.5 million cyber security professionals by 2020, and face tough competition from teams from other schools. The CSAW games were founded by Professor Nasir Memon of the NYU Tandon Department of Computer Science and Engineering and his students. Students continue to design the contests under the mentorship of information security professionals and faculty and run them from NYU Tandon's student-led Offensive Security, Incident Response and Internet Security (OSIRIS) lab, home also to weekly Hack Nights. "Since data knows no borders, and national boundaries offer no impediment to attackers, data security is indeed a global issue," said Ramesh Karri, professor of electrical and computer engineering at NYU Tandon and lead faculty member for CSAW. "Collaboration is critical: those who protect our personal privacy and institutions must transcend borders and work across regions. A key challenge will be cultivating new data-security talent to meet demand; CSAW's expansion to Israel and four other global hubs is an acknowledgement of the important role white-hat competitions play in cultivating that talent worldwide." Each of the regional CSAW conferences will have a slightly varied agenda in terms of competitions and events. Winners of the final rounds can walk away with cash prizes, scholarships, and more. Bragging rights are often the biggest motivator – CSAW has become a boldface line for recruiters and university admissions officers. The roster of events (with registration available at linked websites) includes: The 2017 CSAW in North America is supported by Gold Sponsors IBM, Palo Alto Networks, and the Office of Naval Research; Silver Sponsor BAE Systems; Bronze Sponsors Bloomberg, Jane Street, Jefferies, JP Morgan Chase; Supporting Sponsors Cubic, Rhymetec, the Ruth & Jerome A. Siegel Foundation, and the United States Secret Service; and Contributing Sponsors Applied Computer Security Associates and CTFd. For more information and to register, visit csaw.engineering.nyu.edu. Follow @CSAW_NYUTandon. About the NYU Tandon School of Engineering The NYU Tandon School of Engineering dates to 1854, when the NYU School of Civil Engineering and Architecture as well as the Brooklyn Collegiate and Polytechnic Institute (widely known as Brooklyn Poly) were founded. Their successor institutions merged in January 2014 to create a comprehensive school of education and research in engineering and applied sciences, rooted in a tradition of invention, innovation and entrepreneurship. In addition to programs at its main campus in downtown Brooklyn, it is closely connected to engineering programs in NYU Abu Dhabi and NYU Shanghai, and it operates business incubators in downtown Manhattan and Brooklyn. http://engineering.nyu.edu. About NYU Abu Dhabi NYU Abu Dhabi consists of a highly selective liberal arts and science college (including engineering), and a world center for advanced research and scholarship — all fully integrated with each other and connected to NYU in New York. Together, NYU New York, NYU Abu Dhabi, and NYU Shanghai form the backbone of a unique global network university, with faculty and students from each campus spending "semesters away" at one or more of the numerous study-abroad sites NYU maintains on six continents. For more information, visit nyuad.nyu.edu/en. About IIT Kanpur Indian Institute of Technology, Kanpur, is one of the premier institutions set up by the Government of India. Registered in 1959, the institute was assisted by nine leading institutions of U.S.A in the setting up of its academic programs and laboratories during the period 1962-72. With its record of path-breaking innovations and cutting-edge research, the institute is known the world over as a learning centre of repute in engineering, science and several inter-disciplinary areas. In addition to formal undergraduate and postgraduate courses, the institute has been active in research and development in areas of value to both industry and government. For more information, visit www.iitk.ac.in. About Grenoble INP - Esisar Grenoble INP - Esisar is part of the Grenoble Institute of Technology, which brings together six renowned engineering schools, close to the industrial world and open to international exchanges. The Grenoble Institute of Technology is one of Europe's leading technology universities, at the heart of innovation from more than a century. It offers a range of engineering, masters and doctoral courses both in French and in English, driven by world-class research in 37 laboratories, and 6 state-of-the-art technology platforms, developed in partnership with other institutions. Esisar engineers are trained in Embedded Systems and IT technologies, with a cutting-edge curriculum spanning Electronics, Computer Sciences/IT, Control and Networks. Esisar and the associated research laboratory LCI host the industrial chair of Excellence Trust which aims at developing innovative teaching and research programs in cyber security. About Ben-Gurion University Ben-Gurion University of the Negev is the fastest growing research university in Israel, fulfilling the vision of David Ben-Gurion, Israel's first prime minister, who envisaged the future of Israel emerging from the Negev. From medicine to the humanities to the natural sciences, BGU conducts groundbreaking research and offers insightful instruction. The University is at the heart of Beer-Sheva's transformation into the country's cyber capital, where leading multi-national corporations leverage BGU's expertise to generate innovative R&D. A third of Israel's engineers graduate from BGU, with that number destined to rise as the IDF moves south and sends its brightest to swell the ranks of BGU's student body. To accommodate that growth, BGU has launched an ambitious campaign to double the size of its main campus. As it counts up to its fiftieth anniversary, the University's research becomes ever more relevant as its global reach broadens. http://www.bgu.ac.il./


Dufresne A.,Grenoble Institute of Technology
Current Opinion in Colloid and Interface Science | Year: 2017

Several forms of cellulose nanomaterials, notably cellulose nanocrystals and cellulose nanofibrils, exhibit attractive properties and are potentially useful for a large number of industrial applications. These include the paper and cardboard industry, use as reinforcing filler in polymer nanocomposites, basis for low-density foams, additive in adhesives and paints, as well as a wide variety of filtration, electronic, food, hygiene, cosmetic, and medical products. This entry focuses on cellulose materials as filler in polymer nanocomposites. The ensuing mechanical properties obviously depend on the type of nanomaterial used, but the crucial point is the processing technique. The emphasis is on the melt processing of such nanocomposite materials that has not yet been properly resolved and remains a challenge. © 2017 Elsevier Ltd


Consonni V.,Grenoble Institute of Technology
Physica Status Solidi - Rapid Research Letters | Year: 2013

GaN nanowires, also called nanocolumns, have emerged over the last decade as promising nanosized building blocks for a wide variety of optoelectronic devices. In contrast to other III-V semiconductors, GaN nanowires have the ability to grow catalyst-free within the self-induced approach by plasma-assisted molecular beam epitaxy, which does not require the use of any foreign materials or patterned substrate. The self-induced growth has accordingly been considered as a valuable growth mode to form GaN nanowires on a wide number of substrates such as Si, Al2O3, diamond or SiC. The formation mechanisms have extensively been investigated and are specifically reviewed here from the very onset of the nucleation phase through the elongation phase to the coalescence process. A general approach of the self-induced growth of GaN nanowires is gained. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


De Boissieu M.,Grenoble Institute of Technology
Chemical Society Reviews | Year: 2012

We review some of the results obtained for the study of phason, phonon and atomic dynamics in quasicrystals. In the framework of the hydrodynamic theory long-wavelength phason modes are characteristic of quasicrystal and are diffusive modes. Quenched-in phason mode gives rise to a characteristic diffuse scattering, observed in all the 'stable' icosahedral quasicrystals studied so far. In the AlPdMn icosahedral phase, above T = 500 °C, equilibrium phason modes are shown to be diffusive modes in agreement with the hydrodynamic theory. The lattice dynamics has been studied by inelastic neutron or X-ray scattering. Well defined acoustic modes are only observed for wavevectors smaller than 0.3 Å -1. Above this value, the mode rapidly broadens as a result of mixing with higher energy modes. We show that the results can be interpreted using the concept of pseudo-Brillouin zone boundary and can qualitatively explain the differences observed in the response function of the ZnSc 1/1 approximant and its quasicrystalline counterpart. The observations are qualitatively and quantitatively reproduced using oscillating pair potentials, which open the route for a detailed analysis of the lattice dynamics at the atomic scale. An exceptional dynamical flexibility is also evidenced in the 1/1 approximant. A brief discussion on the implication of those results on the stabilizing mechanisms of quasicrystals is given at the end of the paper. © 2012 The Royal Society of Chemistry.


Dufresne A.,Grenoble Institute of Technology
Materials Today | Year: 2013

Owing to the hierarchical structure of cellulose, nanoparticles can be extracted from this naturally occurring polymer. Multiple mechanical shearing actions allow the release of more or fewer individual microfibrils. Longitudinal cutting of these microfibrils can be achieved by a strong acid hydrolysis treatment, allowing dissolution of amorphous domains. The impressive mechanical properties, reinforcing capabilities, abundance, low density, and biodegradability of these nanoparticles make them ideal candidates for the processing of polymer nanocomposites. With a Young's modulus in the range 100-130 GPa and a surface area of several hundred m2 g-1, new promising properties can be considered for cellulose. © 2013 Elsevier Ltd.


Proville L.,CEA Saclay Nuclear Research Center | Rodney D.,Grenoble Institute of Technology | Marinica M.-C.,CEA Saclay Nuclear Research Center
Nature Materials | Year: 2012

Crystal plasticity involves the motion of dislocations under stress. So far, atomistic simulations of this process have predicted Peierls stresses, the stress needed to overcome the crystal resistance in the absence of thermal fluctuations, of more than twice the experimental values, a discrepancy best-known in body-centred cubic crystals. Here we show that a large contribution arises from the crystal zero-point vibrations, which ease dislocation motion below typically half the Debye temperature. Using Wigner's quantum transition state theory in atomistic models of crystals, we found a large decrease of the kink-pair formation enthalpy due to the quantization of the crystal vibrational modes. Consequently, the flow stress predicted by Orowan's law is strongly reduced when compared with its classical approximation and in much closer agreement with experiments. This work advocates that quantum mechanics should be accounted for in simulations of materials and not only at very low temperatures or in light-atom systems. © 2012 Macmillan Publishers Limited. All rights reserved.


Controlling ferromagnetic/antiferromagnetic blocking temperatures in exchange biased based devices appears crucial for applications. The blocking temperature is ascribed to the ability of both antiferromagnetic grains and interfacial spin-glass-like phases to withstand ferromagnetic magnetization reversal. To better understand the respective contributions of grains versus spin-glass, blocking temperature distributions were measured after various thermal treatments for cobalt/iridium-manganese bilayers. The high-temperature contribution linked to antiferromagnetic grains shifts towards lower temperatures above a threshold thermal annealing. In contrast, the occurrence and evolution of training effects for the low-temperature contribution only agree with its inferred interfacial spin-glass-like origin. © 2013 American Institute of Physics.


Sebo A.,Grenoble Institute of Technology
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2013

We prove the approximation ratio 8/5 for the metric {s,t}-path-TSP, and more generally for shortest connected T-joins. The algorithm that achieves this ratio is the simple "Best of Many" version of Christofides' algorithm (1976), suggested by An, Kleinberg and Shmoys (2012), which consists in determining the best Christofides {s,t}-tour out of those constructed from a family ℱ+ of trees having a convex combination dominated by an optimal solution x* of the Held-Karp relaxation. They give the approximation guarantee √5+1/2 for such an {s,t}-tour, which is the first improvement after the 5/3 guarantee of Hoogeveen's Christofides type algorithm (1991). Cheriyan, Friggstad and Gao (2012) extended this result to a 13/8-approximation of shortest connected T-joins, for |T| ≥ 4. The ratio 8/5 is proved by simplifying and improving the approach of An, Kleinberg and Shmoys that consists in completing x*/2 in order to dominate the cost of "parity correction" for spanning trees. We partition the edge-set of each spanning tree in ℱ+ into an {s,t}-path (or more generally, into a T-join) and its complement, which induces a decomposition of x*. This decomposition can be refined and then efficiently used to complete x*/2 without using linear programming or particular properties of T, but by adding to each cut deficient for x*/2 an individually tailored explicitly given vector, inherent in x*. A simple example shows that the Best of Many Christofides algorithm may not find a shorter {s,t}-tour than 3/2 times the incidentally common optima of the problem and of its fractional relaxation. © 2013 Springer-Verlag.


Lin N.,Grenoble Institute of Technology | Dufresne A.,Grenoble Institute of Technology
Macromolecules | Year: 2013

Impressive mechanical properties and reinforcing capability make cellulose nanocrystal (CN) a promising candidate as biomass nanofiller for the development of polymer-based nanocomposites. With the recent announcement of large-scale CN production, the use of industrial processing techniques for the preparation of CN-reinforced nanocomposites, such as extrusion, is highly required. However, low thermal stability of sulfuric acid-prepared CN limits the processing since most polymeric matrices are processed at temperatures close to 200 °C or above. It has been proved that surface adsorption of polymers on CN as compatibilizer, such as hydrophilic polyoxyethylene (PEO), can improve its thermal stability due to the shielding and wrapping of PEO. However, the weak combination between CN and PEO allows the free movement of surface polymer, which can induce the self-aggregation of CN and microphase separation in composites especially during melt processing. Using carboxylation-amidation reaction, short chains poly(ethylene glycol) (PEG) can be first grafted on the surface of the nanocrystals, and immobilize long PEO chains on modified nanocrystals through physical adsorption and entanglement. Two polymeric layers should further improve the thermal stability of CNs, and surface polymeric chains should provide significant dispersibility and compatibilization for extruded nanocomposites. Rheological analysis showed better PEO adsorption for PEG-grafted nanocrystals than pristine CN. Results from AFM and SEM revealed homogeneous dispersion and good compatibility of modified nanocrystals in PS matrix. Finally, the thermal, mechanical, and barrier properties of ensuing nanocomposites have been investigated to study the effect of physically and/or chemically modified nanocrystals. © 2013 American Chemical Society.


Lin N.,Grenoble Institute of Technology | Dufresne A.,Grenoble Institute of Technology
Nanoscale | Year: 2014

The process of sulfuric acid-hydrolysis of cellulose fibers for the preparation of cellulose nanocrystals (CNs) includes an esterification reaction between acid and cellulose molecules, which induces the covalent coupling of sulfate groups on the surface of prepared CNs. Negatively charged sulfate groups play an important role in both surface chemistry and physical properties of CNs. This study explored the strategy of introducing a gradient of sulfate groups on the surface of CNs, and further investigated the effect of the sulfation degree on surface chemistry, morphology, dimensions, and physical properties of different CN samples. Based on the discussion of their surface chemistry, the selection of different cross-section models was reported to significantly affect the calculation of the degree of substitution of sulfate groups on CNs. A new ellipsoid cross-section model was proposed on the basis of AFM observations. The effect of sulfate groups on crystal properties and thermal stability was discussed and validated, and the birefringence behavior of nanocrystal suspensions was observed. This journal is © the Partner Organisations 2014.

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