Results 31 to 40 of about 123,701 (142)

A Sequent Calculus for First-Order Logic Formalized in Isabelle/HOL

open access: yesItalian Conference on Computational Logic, 2021
We formalize in Isabelle/HOL soundness and completeness of a one-sided sequent calculus for first-order logic. The completeness is shown via a translation from a semantic tableau calculus, whose completeness proof we base on the theory entry “First-Order
Asta Halkjær From   +2 more
semanticscholar   +1 more source

Improved Regret for Zeroth-Order Adversarial Bandit Convex Optimisation [PDF]

open access: yesarXiv.org, 2020
We prove that the information-theoretic upper bound on the minimax regret for zeroth-order adversarial bandit convex optimisation is at most $O(d^{2.5} \sqrt{n} \log(n))$, where $d$ is the dimension and $n$ is the number of interactions. This improves on
Tor Lattimore
semanticscholar   +1 more source

Combining Microwave Radiometer and Wind Profiler Radar Measurements for High-Resolution Atmospheric Humidity Profiling

open access: yes, 2005
A self-consistent remote sensing physical method to retrieve atmospheric humidity high-resolution profiles by synergetic use of a microwave radiometer profiler (MWRP) and wind profiler radar (WPR) is illustrated.
L. Bianco   +3 more
semanticscholar   +1 more source

Zeroth-order Feedback Optimization for Cooperative Multi-Agent Systems [PDF]

open access: yesIEEE Conference on Decision and Control, 2020
We consider a class of multi-agent optimization problems, where each agent is associated with an action vector and a local cost that depends on the joint actions of all agents, and the goal is to minimize the average of the local costs.
Yujie Tang, Zhaolin Ren, Na Li
semanticscholar   +1 more source

Deleuze’s zeroness and Peirce’s pure zero regarding the expansion of semiotics’ categorial frame

open access: yesSemiotica: Journal of the International Association for Semiotic Studies
Deleuze (1925–1995), in the early 1980s, adopts Peirce’s (1839–1914) semiotics in order to classify the signs that the images of the cinema display. Aiming at insufflating the Peircean principles with the movement that animates the images of cinema, he ...
Helio Rebello Cardoso Jr.
semanticscholar   +1 more source

Woodward and Hoffmann on Secondary Orbital Interactions. How to Make a Fine Two‐Course Meal from Leftovers**

open access: yesThe Chemical Record, EarlyView.
In February through April 1965, Hoffmann devised several MO tools to explain the regiochemistry of the Diels‐Alder and the preference of the Cope reaction to proceed by the chair rather than boat orientations, when both were possible. The secret lay in secondary orbital interactions that were revealed through qualitative perturbation theory.
Jeffrey I. Seeman
wiley   +1 more source

Contour Detector and Data Acquisition System for the Left Ventricular Outline [PDF]

open access: yes, 1978
A real-time contour detector and data acquisition system is described for an angiographic apparatus having a video scanner for converting an X-ray image of a structure characterized by a change in brightness level compared with its surrounding into video
Reiber, J. H. C.
core   +1 more source

Analytic control methods for high fidelity unitary operations in a weakly nonlinear oscillator

open access: yes, 2011
In qubits made from a weakly anharmonic oscillator the leading source of error at short gate times is leakage of population out of the two dimensional Hilbert space that forms the qubit.
Gambetta, J. M.   +3 more
core   +1 more source

Chiral drag force [PDF]

open access: yes, 2015
We provide a holographic evaluation of novel contributions to the drag force acting on a heavy quark moving through strongly interacting plasma. The new contributions are chiral in that they act in opposite directions in plasmas containing an excess of ...
A Chamblin   +72 more
core   +3 more sources

REVIEW PAPER ON SEGMENTATION METHODS FOR MULTIOBJECT FEATURE EXTRACTION

open access: yes, 2014
Feature extraction and representation plays a vital role in multimedia processing. It is still a challenge in computer vision system to extract ideal features that represents intrinsic characteristics of an image.
S. Deshmukh, Anjali Yadav
semanticscholar   +1 more source

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