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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,181 papers · 148 categories

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2.5%5.0%7.5%10.0% · Sep 199419922001200920182026
48 results for top quark tagging

Recent literature on deep neural networks for tagging of highly energetic jets resulting from top quark decays has focused on image based techniques or multivariate approaches using high-level jet substructure variables. Here, a sequential approach to this task is taken by using an ordered sequence of jet constituents …

2017-04-07abs ↗pdf ↗

Develops neural networks for reductive Lie groups, enhancing symmetry respect.

problem Symmetry respect in neural networks for reductive Lie groups.
method General equivariant neural network architecture for any reductive Lie Group G.
result Demonstrates generality and performance in top quark decay tagging and shape recognition.

Iterative subtraction method outperforms other feature ranking techniques in high-energy physics.

problem Determining the most important features for classification in high-energy physics experiments.
method Comparison of feature ranking methods including Iterative Addition, Iterative Removal, and BDT Selection Frequency.
result Iterative Removal method is the most efficient for feature ranking in classification tasks.

As machine learning algorithms become increasingly sophisticated to exploit subtle features of the data, they often become more dependent on simulations. This paper presents a new approach called weakly supervised classification in which class proportions are the only input into the machine learning algorithm. Using on…

2017-02-01abs ↗pdf ↗

MLPF uses graph neural networks to improve particle-flow reconstruction in high-pileup conditions.

problem Improving particle-flow reconstruction in high-pileup conditions at high-luminosity LHC.
method End-to-end trainable machine-learned particle-flow algorithm based on graph neural networks.
result MLPF improves physics response and demonstrates scalable reconstruction in high-pileup environments.

We demonstrate the agreement between the Higgs branches of two N=2 theories proposed by Argyres and Seiberg to be S-dual, namely the SU(3) gauge theory with six quarks, and the SU(2) gauge theory with one pair of quarks coupled to the superconformal theory with E_6 flavor symmetry. In mathematical terms, we demonstrate…

2008-10-25abs ↗pdf ↗

Tag2Vec learns tag representations in hybrid networks with semantic and hierarchical information.

problem Lack of semantic and hierarchical information in tag networks.
method Tag2Vec model that combines nodes and tags into hybrid networks, using parameterized random walks and hyperbolic Skip-gram model.
result Tag2Vec outperforms other models in learning rich semantic tag representations.

New method uses neural networks to estimate parameters without needing detector simulations.

problem Estimating parameters in high-energy physics with detector effects.
method Two-level fitting approach: SRGN (Simulation-level fit based on Reweighting Generator-level events with Neural networks).
result Demonstrated using simulated datasets, SRGN can estimate parameters without detector effects.

A new deep learning system improves tagging accuracy on various tasks.

problem Improving tagging accuracy on diverse sequence tagging tasks.
method Combines DNN and DRL for augmented tagging, evaluated on ATIS and CoNLL-2003 datasets.
result Outperforms state-of-the-art models by 1.9% on ATIS and 1.4% on CoNLL-2003 datasets.

Paper tackles classification without labels using statistical mixtures in collider physics.

problem Training models on imperfect simulations in high energy physics.
method Classification without labels (CWoLa) paradigm, distinguishing statistical mixtures of classes.
result Optimal classifier in CWoLa is also optimal in fully-supervised case.

Deep neural network predicts semantic labels for source code.

problem Difficulty in labeling and understanding new programming languages and functionalities.
method Language-agnostic deep convolutional neural network trained on Stack Overflow code snippets.
result Mean area under ROC of 0.957 and top-1 accuracy of 86.6% on Github code documents.

Paper proposes set-valued prediction for historical POS tagging.

problem Difficult POS tagging in historical corpora due to lack of native speakers and sparse data.
method Set-valued prediction approach to allow uncertainty in tagging.
result Set-valued prediction improves POS tagging precision and robustness.

The paper extends influence functions to sequence tagging tasks for better model interpretability.

problem Lack of interpretability methods for sequence tagging models.
method Define and compute influence of training instance segments on test segment predictions.
result The segment influence method tracks with true influence and identifies annotation errors.

To date, there have been massive Semi-Structured Documents (SSDs) during the evolution of the Internet. These SSDs contain both unstructured features (e.g., plain text) and metadata (e.g., tags). Most previous works focused on modeling the unstructured text, and recently, some other methods have been proposed to model …

2015-07-30abs ↗pdf ↗

New method predicts target genres from source genres, unifying music tag systems.

problem Automatic genre inference fails to handle music genre diversity and subjectivity.
method Knowledge-based, statistical, and hybrid translation models.
result Hybrid translation model is most effective for multilabel classification.

For a Hamiltonian KC2(RN×n)K \in C^2(\mathbb{R}^{N \times n}) and a map u:ΩRnRNu:Ω\subseteq \mathbb{R}^n \longrightarrow \mathbb{R}^N, we consider the supremal functional \[ \label{1} \tag{1} E_\infty (u,Ω) \ :=\ \big\|K(Du)\big\|_{L^\infty(Ω)} . \] The "Euler-Lagrange" PDE associated to \eqref{1} is the quasilinear system \[ \lab…

2012-06-26abs ↗pdf ↗

Study neural networks in particle physics, identifying key features for stop/top discrimination.

problem Discriminating supersymmetric stop production from Standard Model backgrounds.
method Gradient ascent on input space, artificial event generation, contour maps, mutual information analysis.
result Identifies neurons with high mutual information with mT2m_{T2}^{\ell\ell}, crucial for stop/top discrimination.

We study the cluster categories arising from marked surfaces (with punctures and non-empty boundaries). By constructing skewed-gentle algebras, we show that there is a bijection between tagged curves and string objects. Applications include interpreting dimensions of Ext1\operatorname{Ext}^1 as intersection numbers of ta…

2013-10-31abs ↗pdf ↗

MuLan links music audio to natural language tags.

problem Traditional music tagging systems use rigid attributes; MuLan aims to link audio directly to natural language.
method Joint audio-text embedding model trained on 44 million music recordings and text annotations.
result MuLan's embeddings enable zero-shot functionalities and transfer learning.

Identifying the flavour of neutral BB mesons production is one of the most important components needed in the study of time-dependent CPCP violation. The harsh environment of the Large Hadron Collider makes it particularly hard to succeed in this task. We present an inclusive flavour-tagging algorithm as an upgrade of…

2017-05-24abs ↗pdf ↗

Unified access package for fundamental physics datasets simplifies machine learning.

problem Lack of unified access to datasets from multiple fundamental physics disciplines.
method Unified Python package with common interface and reference models.
result Graph-based neural networks perform similarly to dedicated methods on various datasets.

Detects malicious accounts in permissionless blockchains using graph properties and ML.

problem Identifying and classifying malicious accounts in permissionless blockchains.
method Temporal graph properties, ML algorithms (ExtraTreesClassifier, K-Means), cosine similarity, behavior change analysis.
result ExtraTreesClassifier performs best in detecting malicious accounts on Ethereum blockchain.