Results 31 to 40 of about 14,371 (200)

Tetris-XL [PDF]

open access: yesACM Transactions on Architecture and Code Optimization, 2009
As technology has advanced, the application space of Very Long Instruction Word (VLIW) processors has grown to include a variety of embedded platforms. Due to cost and power consumption constraints, many embedded VLIW processors contain limited resources, including registers.
Xu, WF, Tessier, R
openaire   +2 more sources

Optimally Sparse Frames [PDF]

open access: yes, 2011
Frames have established themselves as a means to derive redundant, yet stable decompositions of a signal for analysis or transmission, while also promoting sparse expansions.
Casazza, Peter G.   +3 more
core   +1 more source

Catalysis AI Agent Guides Discovering the Universal Design Principle of Cu‐Based Single‐Atom Alloy Catalysts for CO2 Electroreduction

open access: yesAngewandte Chemie, EarlyView.
Artificial intelligence (AI) enables the systematic analysis and comparative evaluation of experimental and theoretical data, optimizes the catalytic reaction research workflow, and accelerates the discovery of high‐performance electrocatalysts. ABSTRACT Copper (Cu)‐based single‐atom alloys (SAAs) represent a promising strategy for optimizing the ...
Xuning Wang   +5 more
wiley   +2 more sources

Visuospatial Working Memory Tasks May Not Reduce the Intensity or Distress of Intrusive Memories

open access: yesFrontiers in Psychiatry, 2022
Cognitive interventions involving visuospatial tasks, such as the game “Tetris” have demonstrated efficacy in reducing the frequency of intrusive memories.
Amalia Badawi   +5 more
doaj   +1 more source

MRI assessment of cortical thickness and functional activity changes in adolescent girls following three months of practice on a visual-spatial task

open access: yesBMC Research Notes, 2009
Background Neuro-imaging studies demonstrate plasticity of cortical gray matter before and after practice for some motor and cognitive tasks in adults. Other imaging studies show functional changes after practice, but there is not yet direct evidence of ...
Leyba Leonard   +3 more
doaj   +1 more source

Optimizing the CVaR via Sampling [PDF]

open access: yes, 2014
Conditional Value at Risk (CVaR) is a prominent risk measure that is being used extensively in various domains. We develop a new formula for the gradient of the CVaR in the form of a conditional expectation.
Glassner, Yonatan   +2 more
core   +1 more source

Tetris

open access: yes, 2018
Tetris is an Asynchronous Byzantine Fault Tolerance consensus algorithm designed for next generation high-throughput permission and permissionless blockchain. The core concept of Tetris is derived from Reasoning About Knowledge, which we believe to be the most appropriate tools for revealing and analyzing the fundamental complexity of distributed ...
Xu, Jiajun, Huang, Sam
openaire   +2 more sources

Online Meta-learning by Parallel Algorithm Competition

open access: yes, 2017
The efficiency of reinforcement learning algorithms depends critically on a few meta-parameters that modulates the learning updates and the trade-off between exploration and exploitation.
Baker James E.   +13 more
core   +1 more source

Total Tetris: Tetris with Monominoes, Dominoes, Trominoes, Pentominoes,...

open access: yesJournal of Information Processing, 2017
We consider variations on the classic video game Tetris where pieces are k-ominoes instead of the usual tetrominoes (k = 4), as popularized by the video games ntris and Pentris. We prove that it is NP-complete to survive or clear a given initial board with a given sequence of pieces for each k ≤ 5, complementing the previous NP-completeness result for ...
Erik D. Demaine   +6 more
openaire   +4 more sources

Spectral Tetris Fusion Frame Constructions [PDF]

open access: yesJournal of Fourier Analysis and Applications, 2011
Spectral tetris is a fexible and elementary method to construct unit norm frames with a given frame operator, having all of its eigenvalues greater than or equal to two. One important application of spectral tetris is the construction of fusion frames. We first show how the assumption on the spectrum of the frame operator can be dropped and extend the ...
Casazza, Peter G.   +4 more
openaire   +3 more sources

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