Search Results - "Sexton, Jean"
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Wood planer control: Predictive and prescriptive approaches via Automatic State Matching Gaussian processes
Published in Engineering applications of artificial intelligence (01-06-2024)“…We present a novel artificial intelligence approach that encompasses both predictive and prescriptive aspects for the challenging task of model-based control…”
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Impact of Self-shielding Minihalos on the Lyα Forest at High Redshift
Published in The Astrophysical journal (01-07-2024)“…Abstract Dense gas in minihalos with masses of 10 6 −10 8 M ⊙ can shield themselves from reionization for ∼100 Myr after being exposed to the UV background…”
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SUNDIALS time integrators for exascale applications with many independent systems of ordinary differential equations
Published in The international journal of high performance computing applications (04-10-2024)“…Many complex systems can be accurately modeled as a set of coupled time-dependent partial differential equations (PDEs). However, solving such equations can be…”
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Modelling the Lyman-α forest with Eulerian and SPH hydrodynamical methods
Published in Monthly notices of the Royal Astronomical Society (01-01-2023)“…ABSTRACT We compare two state-of-the-art numerical codes to study the overall accuracy in modelling the intergalactic medium and reproducing Lyman-α forest…”
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Preparing Nuclear Astrophysics for Exascale
Published in SC20: International Conference for High Performance Computing, Networking, Storage and Analysis (01-11-2020)“…Astrophysical explosions such as supernovae are fascinating events that require sophisticated algorithms and substantial computational power to model. Castro…”
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Conference Proceeding -
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The ACCEL2 project: Simulating Lyman-α forest in large-volume hydrodynamical simulations
Published in Monthly notices of the Royal Astronomical Society (15-10-2024)“…Abstract Cosmological information is usually extracted from the Lyman-α (Lyα) forest correlations using only either large-scale information interpreted through…”
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Nyx: A Massively Parallel AMR Code for Computational Cosmology
Published in Journal of open source software (10-07-2021)“…Nyx is a highly parallel, adaptive mesh, finite-volume N-body compressible hydrodynamics solver for cosmological simulations. It has been used to simulate…”
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CASTRO: A Massively Parallel Compressible Astrophysics Simulation Code
Published in Journal of open source software (23-10-2020)Get full text
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The ACCEL$^2$ project: simulating Lyman-$\alpha$ forest in large-volume hydrodynamical simulations
Published 05-07-2024“…Monthly Notices of the Royal Astronomical Society, Volume 534, Issue 3, November 2024, Pages 2674-2693 Cosmological information is usually extracted from the…”
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Impact of Self-shielding Minihalos on the Ly$\alpha$ Forest at High Redshift
Published 08-09-2023“…Dense gas in minihalos with masses of $10^6-10^8~M_\odot$ can shield themselves from reionization for $\sim100$ Myr after being exposed to the UV background…”
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AMRIC: A Novel In Situ Lossy Compression Framework for Efficient I/O in Adaptive Mesh Refinement Applications
Published in SC23: International Conference for High Performance Computing, Networking, Storage and Analysis (11-11-2023)“…As supercomputers advance towards exascale capabilities, computational intensity increases significantly, and the volume of data requiring storage and…”
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Conference Proceeding -
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Relaxed Multirate Infinitesimal Step Methods for Initial-Value Problems
Published 10-08-2018“…This work focuses on the construction of a new class of fourth-order accurate methods for multirate time evolution of systems of ordinary differential…”
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AMRIC: A Novel In Situ Lossy Compression Framework for Efficient I/O in Adaptive Mesh Refinement Applications
Published 13-07-2023“…As supercomputers advance towards exascale capabilities, computational intensity increases significantly, and the volume of data requiring storage and…”
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Journal Article -
14
SUNDIALS Time Integrators for Exascale Applications with Many Independent ODE Systems
Published 02-05-2024“…Many complex systems can be accurately modeled as a set of coupled time-dependent partial differential equations (PDEs). However, solving such equations can be…”
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15
Modeling the Lyman-$\alpha$ forest with Eulerian and SPH hydrodynamical methods
Published 11-07-2022“…We compare two state-of-the-art numerical codes to study the overall accuracy in modeling the intergalactic medium and reproducing Lyman-$\alpha$ forest…”
Get full text
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Initiation à la négociation collective
Published in Labour (Halifax) (2003)Get full text
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Snowmass2021 Computational Frontier White Paper: Cosmological Simulations and Modeling
Published 14-03-2022“…Powerful new observational facilities will come online over the next decade, enabling a number of discovery opportunities in the "Cosmic Frontier", which…”
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Preparing Nuclear Astrophysics for Exascale
Published 10-07-2020“…Astrophysical explosions such as supernovae are fascinating events that require sophisticated algorithms and substantial computational power to model. Castro…”
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Journal Article -
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Note to Readers
Published in Relations industrielles (Québec, Québec) (01-01-1997)Get full text
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Note to readers
Published in Relations industrielles (Québec, Québec) (01-01-1997)Get full text
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