Francisco J. H. Heras
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View article: Investments in photoreceptors compete with investments in optics to determine eye design
Investments in photoreceptors compete with investments in optics to determine eye design Open
When an animal invests space, materials and energy in an eye to meet behavioural needs, the eye’s optics and photoreceptor array compete for these resources to improve the eye’s performance. To discover how this competition influences eye …
View article: Author Response: Investments in photoreceptors compete with investments in optics to determine eye design
Author Response: Investments in photoreceptors compete with investments in optics to determine eye design Open
View article: Scaling and logic in the colour code on a superconducting quantum processor
Scaling and logic in the colour code on a superconducting quantum processor Open
View article: Quantum circuit optimization with AlphaTensor
Quantum circuit optimization with AlphaTensor Open
View article: Scaling and logic in the color code on a superconducting quantum processor
Scaling and logic in the color code on a superconducting quantum processor Open
Quantum error correction is essential for bridging the gap between the error rates of physical devices and the extremely low logical error rates required for quantum algorithms. Recent error-correction demonstrations on superconducting pro…
View article: Quantum error correction below the surface code threshold
Quantum error correction below the surface code threshold Open
View article: Learning high-accuracy error decoding for quantum processors
Learning high-accuracy error decoding for quantum processors Open
View article: Quantum error correction below the surface code threshold
Quantum error correction below the surface code threshold Open
Quantum error correction provides a path to reach practical quantum computing by combining multiple physical qubits into a logical qubit, where the logical error rate is suppressed exponentially as more qubits are added. However, this expo…
View article: Reviewer #1 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design
Reviewer #1 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design Open
Because an animal invests in an eye's optics and photoreceptor array to meet behavioural needs at minimum cost, optics and photoreceptors compete for resources to maximise eye performance. This competition has not previously been investiga…
View article: Reviewer #2 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design
Reviewer #2 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design Open
Because an animal invests in an eye's optics and photoreceptor array to meet behavioural needs at minimum cost, optics and photoreceptors compete for resources to maximise eye performance. This competition has not previously been investiga…
View article: Investments in photoreceptors compete with investments in optics to determine eye design
Investments in photoreceptors compete with investments in optics to determine eye design Open
When an animal invests space, materials and energy in an eye to meet behavioural needs, the eye’s optics and photoreceptor array compete for these resources to improve the eye’s performance. To discover how this competition influences eye …
View article: Reviewer #3 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design
Reviewer #3 (Public Review): Investments in photoreceptors compete with investments in optics to determine eye design Open
Because an animal invests in an eye's optics and photoreceptor array to meet behavioural needs at minimum cost, optics and photoreceptors compete for resources to maximise eye performance. This competition has not previously been investiga…
View article: Investments in photoreceptors compete with investments in optics to determine eye design
Investments in photoreceptors compete with investments in optics to determine eye design Open
Because an animal invests in an eye’s optics and photoreceptor array to meet behavioural needs at minimum cost, optics and photoreceptors compete for resources to maximise eye performance. This competition has not previously been investiga…
View article: Quantum Circuit Optimization with AlphaTensor
Quantum Circuit Optimization with AlphaTensor Open
A key challenge in realizing fault-tolerant quantum computers is circuit optimization. Focusing on the most expensive gates in fault-tolerant quantum computation (namely, the T gates), we address the problem of T-count optimization, i.e., …
View article: Investments in photoreceptors compete with investments in optics to determine eye design
Investments in photoreceptors compete with investments in optics to determine eye design Open
When an animal invests space, materials and energy in an eye to meet behavioural needs, the eye’s optics and photoreceptor array compete for these resources to improve the eye’s performance. To discover how this competition influences eye …
View article: Learning to Decode the Surface Code with a Recurrent, Transformer-Based Neural Network
Learning to Decode the Surface Code with a Recurrent, Transformer-Based Neural Network Open
Quantum error-correction is a prerequisite for reliable quantum computation. Towards this goal, we present a recurrent, transformer-based neural network which learns to decode the surface code, the leading quantum error-correction code. Ou…
View article: A study of transfer of information in animal collectives using deep learning tools
A study of transfer of information in animal collectives using deep learning tools Open
We studied how the interactions among animals in a collective allow for the transfer of information. We performed laboratory experiments to study how zebrafish in a collective follow a subset of trained animals that move towards a light wh…
View article: Passive inertial damping improves high-speed gaze stabilization in hoverflies
Passive inertial damping improves high-speed gaze stabilization in hoverflies Open
SUMMARY Gaze stabilization reflexes reduce motion blur and simplify the processing of visual information by keeping the eyes level. These reflexes typically depend on estimates of the rotational motion of the body, head, and eyes, acquired…
View article: Automated Discovery of Local Rules for Desired Collective-Level Behavior Through Reinforcement Learning
Automated Discovery of Local Rules for Desired Collective-Level Behavior Through Reinforcement Learning Open
Complex global behavior patterns can emerge from very simple local interactions between many agents. However, no local interaction rules have been identified that generate some patterns observed in nature, for example the rotating balls, r…
View article: Supervised dimensionality reduction by a Linear Discriminant Analysis on pre-trained CNN features
Supervised dimensionality reduction by a Linear Discriminant Analysis on pre-trained CNN features Open
We explore the application of linear discriminant analysis (LDA) to the features obtained in different layers of pretrained deep convolutional neural networks (CNNs). The advantage of LDA compared to other techniques in dimensionality redu…
View article: Deep attention networks reveal the rules of collective motion in zebrafish
Deep attention networks reveal the rules of collective motion in zebrafish Open
A variety of simple models has been proposed to understand the collective motion of animals. These models can be insightful but may lack important elements necessary to predict the motion of each individual in the collective. Adding more d…
View article: Modulation of voltage-dependent K+ conductances in photoreceptors trades off investment in contrast gain for bandwidth
Modulation of voltage-dependent K+ conductances in photoreceptors trades off investment in contrast gain for bandwidth Open
Modulation is essential for adjusting neurons to prevailing conditions and differing demands. Yet understanding how modulators adjust neuronal properties to alter information processing remains unclear, as is the impact of neuromodulation …
View article: Deep attention networks reveal the rules of collective motion in zebrafish
Deep attention networks reveal the rules of collective motion in zebrafish Open
A variety of simple models has been proposed to understand the collective motion of animals. These models can be insightful but lack important elements necessary to predict the motion of each individual in the collective. Adding more detai…
View article: Modulation of voltage-dependent K<sup>+</sup>conductances in photoreceptors trades off investment in contrast gain for bandwidth
Modulation of voltage-dependent K<sup>+</sup>conductances in photoreceptors trades off investment in contrast gain for bandwidth Open
Modulation is essential for adjusting neurons to prevailing conditions and differing demands. Yet understanding how modulators adjust neuronal properties to alter information processing remains unclear, as is the impact of neuromodulation …
View article: idtracker.ai: Tracking all individuals in large collectives of unmarked animals
idtracker.ai: Tracking all individuals in large collectives of unmarked animals Open
Our understanding of collective animal behavior is limited by our ability to track each of the individuals. We describe an algorithm and software, idtracker.ai, that extracts from video all trajectories with correct identities at a high ac…
View article: Voltage-dependent K <sup>+</sup> channels improve the energy efficiency of signalling in blowfly photoreceptors
Voltage-dependent K <sup>+</sup> channels improve the energy efficiency of signalling in blowfly photoreceptors Open
Voltage-dependent conductances in many spiking neurons are tuned to reduce action potential energy consumption, so improving the energy efficiency of spike coding. However, the contribution of voltage-dependent conductances to the energy e…
View article: Optimizing the use of a sensor resource for opponent polarization coding
Optimizing the use of a sensor resource for opponent polarization coding Open
Flies use specialized photoreceptors R7 and R8 in the dorsal rim area (DRA) to detect skylight polarization. R7 and R8 form a tiered waveguide (central rhabdomere pair, CRP) with R7 on top, filtering light delivered to R8. We examine how t…
View article: Voltage-dependent K<sup>+</sup>Channels Improve the Energy Efficiency of Signalling in Blowfly Photoreceptors
Voltage-dependent K<sup>+</sup>Channels Improve the Energy Efficiency of Signalling in Blowfly Photoreceptors Open
Voltage-dependent conductances in many spiking neurons are tuned to reduce action potential energy consumption, so improving the energy efficiency of spike coding. However, the contribution of voltage-dependent conductances to the energy e…
View article: Shunt peaking in neural membranes
Shunt peaking in neural membranes Open
Capacitance limits the bandwidth of engineered and biological electrical circuits because it determines the gain–bandwidth product (GBWP). With a fixed GBWP, bandwidth can only be improved by decreasing gain. In engineered circuits, an ind…
View article: Optimizing the use of a sensor resource for opponent polarization coding
Optimizing the use of a sensor resource for opponent polarization coding Open
Flies use specialized photoreceptors R7 and R8 in the dorsal rim area (DRA) to detect skylight polarization. R7 and R8 form a tiered waveguide (rhabdom) with R7 on top, filtering light delivered to R8. We examine how the division of a give…