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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.

169,291 papers · 148 categories

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48 results for classical computation

Enhances quantum computing for symmetrical systems, proving a new class of problems.

problem Proving the efficiency of a new quantum computing model for symmetrical systems.
method Introducing equivariant convolutional quantum algorithms tailored for SU(d) symmetries.
result Demonstrates a problem that can be solved efficiently on a new quantum model, suggesting it's not classically simulatable.

Study analyzes 3,171 stocks to pick efficient portfolios using quantum and classical solvers.

problem Creating efficient stock portfolios from a large dataset.
method Used classical and quantum solvers to optimize portfolios of 3,171 US stocks.
result Demonstrated the effectiveness of quantum and classical solvers in portfolio optimization.

Classical algorithms approximate quantum dynamics using subsampling.

problem Simulating quantum mechanical systems efficiently on classical computers.
method Randomized numerical linear algebra and the Nyström method for approximating matrix exponentials.
result Classical algorithms can efficiently simulate quantum computations under specific conditions.

This work shows how to efficiently simulate parts of quantum landscapes using classical computers.

problem Identifying where quantum computers are advantageous and offloading computations.
method Developed a quantum-enhanced classical algorithm to simulate sub-regions of quantum landscapes.
result It is possible to generate a classical surrogate of a sub-region of a quantum landscape.

Quantum computing improves feature selection in machine learning.

problem Optimizing feature selection in machine learning problems.
method Formulated feature selection as a QUBO problem and compared quantum and classical methods.
result Quantum computing can outperform classical methods in feature selection, depending on data set.

Quantum machine learning offers advantages for broader learning tasks.

problem Demonstrate QML advantage over classical methods for general learning tasks.
method Construct a new family of supervised learning tasks and prove their hardness.
result Prove provable advantage of QML based on general quantum computational advantages.

VQAs use classical optimization to train quantum circuits, promising quantum advantage.

problem High computational cost of quantum simulations and solving large-scale problems.
method Variational Quantum Algorithms (VQAs) use classical optimizers to train parametrized quantum circuits.
result VQAs are a promising strategy for obtaining quantum advantage.

Quantum kernels offer potential speed-ups but require encoding problem-specific knowledge.

problem Generalization difficulty in high-dimensional feature spaces.
method Analysis of spectral properties of quantum kernels and their RKHS.
result Quantum advantage is expected if RKHS is low-dimensional and contains hard-to-compute functions.

This paper uses QUBO to train machine learning models on quantum computers.

problem Efficiently training machine learning models on quantum computers.
method Formulated three machine learning models (linear regression, SVM, k-means) as QUBO problems.
result Formulations are more efficient or equivalent in time and space complexity to classical methods.

New method uses quantum computing to process classical data efficiently.

problem Inefficient quantum machine learning due to data loading and trainability issues.
method Linear Hamiltonian-based machine learning with ground state problems for k-local Hamiltonians.
result Demonstrated the effectiveness and scalability of the method on up to 50 qubits.

RL optimizes quantum circuit parameters for combinatorial problems.

problem Optimizing quantum circuit parameters for combinatorial problems.
method Reinforcement Learning (RL) to train a policy network.
result RL policy reduces optimality gap by up to 8.61.

Hybrid quantum-classical RL model solves standard benchmark tasks and proves quantum advantage.

problem Challenges in reinforcement learning, especially in solving standard benchmarking tasks.
method Parametrized quantum circuits in a hybrid quantum-classical RL model.
result Demonstrates quantum advantage in solving standard benchmarking tasks and intractable classical problems.

Hybrid QNN-LSTM predicts financial stock market trends using quantum computing.

problem Complex temporal dependencies and market fluctuations in financial time-series forecasting.
method Custom QNN regressor with hybrid optimization strategies.
result Hybrid models integrate quantum computing into financial forecasting workflows.

This paper compares classical shadows and direct quantum measurement for efficient information extraction.

problem Efficiently extracting classical information from quantum states with limited classical post-processing.
method Quantitative resource analysis comparing classical shadows and direct quantum measurement.
result An efficiency frontier between classical shadows and direct quantum measurement is identified.

In this article we develop tools to compute the Geometric Quantization of a symplectic manifold with respect to a regular Lagrangian foliation via sheaf cohomology and obtain important new applications in the case of real polarizations. The starting point is the definition of representation spaces due to Kostant. Besid…

2013-01-11abs ↗pdf ↗

This study improves quantum classifiers by optimizing data preprocessing.

problem Quantum Machine Learning advantages are not yet clearly demonstrated.
method Used Linear Discriminant Analysis (LDA) for data preprocessing.
result Variational Quantum Algorithm (VQA) outperforms classical classifiers.

This work uses variational quantum circuits for deep reinforcement learning.

problem Intractability of deep quantum circuits on existing quantum computing platforms.
method Reshaping classical deep reinforcement learning algorithms into variational quantum circuits and using quantum information encoding.
result First proof-of-principle demonstration of variational quantum circuits for deep reinforcement learning.

This work proposes efficient classical training protocols for IQP circuits to train quantum generative models.

problem Training quantum generative models on industrially relevant probability distributions is challenging due to high computational cost.
method Developed protocols for classical training of IQP circuits, which are hard to sample but have efficient gradient computation.
result Classically trained IQP circuits can efficiently sample from target probability distributions, demonstrating practical quantum advantage.

Transfer learning adapted for hybrid classical-quantum neural networks.

problem Optimizing data preprocessing and feature embedding for quantum processors.
method Adapting transfer learning to hybrid networks, using a pre-trained classical network augmented by a quantum circuit.
result Demonstrated the effectiveness of quantum transfer learning for image recognition and quantum state classification.

Non-classical virtual knots may have non-isomorphic upper and lower quandles. We exploit this property to define the quandle difference invariant, which can detect non-classicality by comparing the numbers of homomorphisms into a finite quandle from a virtual knot's upper and lower quandles. The invariants for small-or…

2006-01-02abs ↗pdf ↗

Quantum models avoiding barren plateaus can also be efficiently simulated classically.

problem Understanding the limitations of barren plateaus in quantum computing.
method Analyzing commonly used models and their ability to be simulated classically.
result Many quantum models with barren plateau-free landscapes can also be efficiently simulated classically.

Quantum GNNs outperform classical GNNs in jet tagging.

problem Classifying partons initiating jets from high-energy particle collisions.
method Comparison of classical and quantum GNNs and their equivariant counterparts.
result Quantum GNNs outperformed classical GNNs in binary classification tasks.

Quantum algorithm speeds up nested expectation estimation by nearly quadratically.

problem Estimating repeatedly nested expectations with quantum computing.
method Proposes a quantum algorithm achieving nearly quadratic speedup over classical methods.
result Achieves nearly quadratic speedup for RNEs, up to logarithmic factors.