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3,394 Results Found

  • Article
  • Open Access
3 Citations
5,262 Views
10 Pages

19 February 2016

The degree-based network entropy which is inspired by Shannon’s entropy concept becomes the information-theoretic quantity for measuring the structural information of graphs and complex networks. In this paper, we study some properties of the degree-...

  • Article
  • Open Access
4 Citations
3,266 Views
13 Pages

Option Pricing, Zero Lower Bound, and COVID-19

  • Giacomo Morelli and
  • Lea Petrella

13 September 2021

This paper provides a quantitative assessment of equity options priced at the Zero Lower Bound, i.e., when interest rates are set essentially to zero. We obtain closed form formulas for American options when the Zero Lower Bound policy holds. We perf...

  • Article
  • Open Access
6,171 Views
11 Pages

A Note on the W-S Lower Bound of the MEE Estimation

  • Badong Chen,
  • Guangmin Wang,
  • Nanning Zheng and
  • Jose C. Principe

10 February 2014

The minimum error entropy (MEE) estimation is concerned with the estimation of a certain random variable (unknown variable) based on another random variable (observation), so that the entropy of the estimation error is minimized. This estimation meth...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,021 Views
19 Pages

Lower Bound on the Overlattice-Based Sieve Algorithm

  • Tongchen Shen,
  • Xiangxue Li and
  • Licheng Wang

Lattice-based cryptography stands as one of the most pivotal candidates in post-quantum cryptography. To configure the parameters of lattice-based cryptographic schemes, a thorough comprehension of their concrete security is indispensable. Lattice si...

  • Article
  • Open Access
2,080 Views
11 Pages

A Lower Bound for the Volatility Swap in the Lognormal SABR Model

  • Elisa Alòs,
  • Frido Rolloos and
  • Kenichiro Shiraya

29 July 2023

In the short time to maturity limit, it is proved that for the conditionally lognormal SABR model the zero vanna implied volatility is a lower bound for the volatility swap strike. The result is valid for all values of the correlation parameter and i...

(This article belongs to the Special Issue Mathematical and Computational Finance Analysis)
  • Article
  • Open Access
2 Citations
6,223 Views
18 Pages

The Cost of Overcoming the Zero Lower-Bound: A Welfare Analysis

  • Gerhard Rösl,
  • Franz Seitz and
  • Karl-Heinz Tödter

To broaden the operational scope of monetary policy, several authors suggest cash abolition as an appropriate means of breaking through the zero lower-bound. We argue that the welfare costs of bypassing the zero lower-bound by getting rid of cash ent...

  • Article
  • Open Access
1,745 Views
22 Pages

In recent years, the nominal interest rate has hit the zero lower bound, thus limiting the ability of monetary policy to facilitate the real economy’s recovery after a slump. To overcome this problem, many central banks have exploited an instru...

(This article belongs to the Special Issue Monetary Policy and Debt)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,047 Views
19 Pages

9 January 2026

We derive a few extended versions of the Kraft inequality for lossy compression, which pave the way to the derivation of several refinements and extensions of the well-known Shannon lower bound in a variety of instances of rate-distortion coding. The...

(This article belongs to the Special Issue Information Theory and Data Compression)
  • Article
  • Open Access
2 Citations
2,531 Views
24 Pages

This study investigates the impact of central bank digital currencies (CBDCs) on monetary policy flexibility, the effective lower bound (ELB), and negative interest rate policies (NIRPs), specifically in the case of the digital euro (DE). Through a c...

(This article belongs to the Section Macroeconomics, Monetary Economics, and Financial Markets)
  • Article
  • Open Access
35 Citations
8,849 Views
24 Pages

9 March 2018

We derive a lower bound on the differential entropy of a log-concave random variable X in terms of the p-th absolute moment of X. The new bound leads to a reverse entropy power inequality with an explicit constant, and to new bounds on the rate-disto...

(This article belongs to the Special Issue Entropy and Information Inequalities)
  • Article
  • Open Access
2 Citations
2,830 Views
33 Pages

9 April 2024

The determination of a mobile terminal’s position with high accuracy and ubiquitous coverage is still challenging. Global satellite navigation systems (GNSSs) provide sufficient accuracy in areas with a clear view to the sky. For GNSS-denied en...

(This article belongs to the Special Issue Wireless Sensors and Machine-Learning-Based Algorithms, Systems, and Applications for Practical Positioning and Navigation Systems)
  • Article
  • Open Access
1,415 Views
29 Pages

21 December 2025

The growing emphasis on sustainable manufacturing has motivated the integration of environmental and social factors into traditional assembly line balancing problems (ALBPs). This study introduces a Sustainable Mixed-Model Assembly Line Balancing Pro...

(This article belongs to the Special Issue Application of Mathematical Modeling and Simulation to Transportation)
  • Article
  • Open Access
503 Views
21 Pages

8 June 2026

Image registration accuracy is strongly influenced by imaging geometry, yet this effect has not been explicitly characterized in a closed-form expression under practical plane-based image registration conditions. This paper establishes a geometry-ind...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
97 Views
30 Pages

10 October 2026

Heterogeneity in route activity and the need to clearly distinguish among observations, scenario assumptions, and operational requirements pose challenges for the short-horizon forecasting of railway coal origin–destination (OD) flows. SCOUT im...

(This article belongs to the Special Issue Data Science and Machine Learning in Logistics and Transport, 2nd Edition)
  • Article
  • Open Access
3 Citations
2,568 Views
20 Pages

Lower Bound Limit Analysis of Non-Persistent Jointed Rock Masses Using Mixed Numerical Discretization

  • Wenlian Liu,
  • Hanhua Xu,
  • Sugang Sui,
  • Ze Li,
  • Xiaoyan Zhang and
  • Pu Peng

16 December 2022

The bearing capacity of a non-persistent jointed rock mass containing a rock bridge is investigated by combining the lower bound limit analysis theory, a mixed numerical discrete method, and linear mathematical programming. A mixed numerical discrete...

(This article belongs to the Special Issue Urban Underground Engineering: Excavation, Monitoring, and Control)
  • Article
  • Open Access
2,233 Views
33 Pages

29 August 2024

After the 2007 financial crisis, many central banks adopted policies to lower their interest rates; the dynamics of these rates cannot be captured using classical models. Recently, Meucci and Loregian proposed an approach to estimate nonnegative inte...

  • Review
  • Open Access
7 Citations
3,833 Views
15 Pages

λ-Factors for the Upper and Lower Bound Analyses of Base-Isolated Structures: Historical Review of Code Provisions for Elastomeric Bearings

  • Laura Ragni,
  • Fabio Micozzi,
  • Laura Gioiella,
  • Maria Gabriella Castellano,
  • Samuele Infanti and
  • Andrea Dall’Asta

8 May 2023

The seismic response of base-isolated structures is notably influenced by mechanical properties of isolation devices due to their essential role in structural behavior. Consequently, the variability of such properties should be accounted for in the d...

(This article belongs to the Special Issue Seismic Resistant Analysis and Design for Civil Structures)
  • Article
  • Open Access
8 Citations
3,253 Views
17 Pages

30 October 2019

This paper proposes a new model initialization approach for solar power prediction interval based on the lower and upper bound estimation (LUBE) structure. The linear regression interval estimation (LRIE) was first used to initialize the prediction i...

(This article belongs to the Special Issue Ensemble Forecasting Applied to Power Systems)
  • Article
  • Open Access
4 Citations
2,852 Views
12 Pages

19 October 2023

Many time series forecasting applications use ranges rather than point forecasts. Producing forecasts in the form of Prediction Intervals (PIs) is natural, since intervals are an important component of many mathematical models. The LUBE (Lower Upper...

(This article belongs to the Special Issue Advances in Machine Learning and Applications)
  • Article
  • Open Access
559 Views
20 Pages

30 January 2026

Digital microfluidic biochips are widely used for automated biochemical and diagnostic applications such as molecular analysis, immunoassays, and point-of-care testing. Among them, micro-electrode-dot-array (MEDA) biochips enable fine-grained droplet...

(This article belongs to the Section Applied Biosciences and Bioengineering)
  • Article
  • Open Access
4 Citations
3,607 Views
21 Pages

In this study, a two-phase simplified approach is proposed to predict the in-plane strength capacity of unreinforced masonry (URM) walls. In the first phase, in-plane damage and failure patterns of URM walls are determined from available observationa...

(This article belongs to the Special Issue Computational Modeling Strategies for Seismic Assessment of Unreinforced, Reinforced, and Confined Masonry Structures)
  • Article
  • Open Access
11 Citations
8,223 Views
17 Pages

6 December 2016

This paper investigates the joint target parameter (delay and Doppler) estimation performance of linear frequency modulation (LFM)-based radar networks in a Rice fading environment. The active radar networks are composed of multiple radar transmitter...

(This article belongs to the Special Issue UAV-Based Remote Sensing)
  • Article
  • Open Access
3,849 Views
19 Pages

20 July 2020

In this paper, we consider techniques for establishing lower bounds on the number of arm pulls for best-arm identification in the multi-armed bandit problem. While a recent divergence-based approach was shown to provide improvements over an older gap...

(This article belongs to the Special Issue Information Theory in Machine Learning and Data Science II)
  • Feature Paper
  • Article
  • Open Access
653 Views
9 Pages

30 June 2026

We study small off-diagonal Ramsey numbers involving wheel graphs. Following Radziszowski’s convention, we write Wn=K1+Cn−1 for the wheel on n vertices. A lower bound for R(Wm,Wn) is certified by a graph G such that G is Wm-free and G&mac...

(This article belongs to the Special Issue Advances in Graph Labelings and Ramsey Theory in Discrete Structures)
  • Article
  • Open Access
3,082 Views
23 Pages

A Novel Approach for Searching the Upper/Lower Bounds of Uncertainty Parameters in Microgrids

  • Xiaojun Ding,
  • Kaicheng Li,
  • Yuanzheng Li,
  • Delong Cai,
  • Yi Luo and
  • Youli Dong

24 April 2018

In this study, a novel method based on μ analysis is presented to search for the upper/lower bounds of uncertainty parameters in microgrids (MGs). It is well known that uncertainty parameters have important effects in a MG, and they may cause...

  • Article
  • Open Access
2 Citations
3,090 Views
15 Pages

13 August 2018

We consider the constrained ordered weighted averaging (OWA) aggregation problem with a single constraint and lower bounded variables. For the three-dimensional constrained OWA aggregation problem with lower bounded variables, we present four types o...

(This article belongs to the Special Issue Fuzzy Techniques for Decision Making 2018)
  • Article
  • Open Access
2 Citations
859 Views
21 Pages

Minimax Lower Bounds for Uniform Estimation of Covariate-Dependent Copula Parameters

  • Mathias Nthiani Muia,
  • Olivia Atutey and
  • Chathurika Srimali Abeykoon

8 March 2026

Local likelihood methods are widely used to estimate calibration functions in conditional copula models. Recent work has established uniform stochastic equicontinuity and uniform convergence rates for local likelihood estimators of covariate-dependen...

(This article belongs to the Special Issue Advances in Probability Theory and Stochastic Analysis)
  • Article
  • Open Access
464 Views
15 Pages

Lower Bounds for Absolutely Convergent Dirichlet Series and Pits Property

  • Andriy Bandura,
  • Mykhailo Pivkach,
  • Tetyana Salo,
  • Oleh Skaskiv and
  • Andriy Kuryliak

1 May 2026

This article investigates the lower bounds of analytic functions defined by absolutely convergent Dirichlet series in the left half-plane and establishes conditions under which such functions exhibit the pits property. The study extends classical res...

(This article belongs to the Special Issue Recent Advances in Complex Analysis and Related Topics)
  • Article
  • Open Access
5 Citations
2,873 Views
23 Pages

31 July 2020

This paper uses a locking-free nonconforming Crouzeix–Raviart finite element to solve the planar linear elastic eigenvalue problem with homogeneous pure displacement boundary condition. Making full use of the Poincaré inequality, we obta...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
1,789 Views
15 Pages

In this paper, we prove the lower bounds of the blow-up time of solutions for certain Caputo time fractional diffusion equations and systems with nonlinear memory terms under homogeneous Dirichlet boundary conditions. The proofs of our results rely o...

(This article belongs to the Section General Mathematics, Analysis)
  • Article
  • Open Access
539 Views
19 Pages

6 March 2026

In this study, we investigate the upper- and lower-bound approximations of numerical eigenvalues derived by weak Galerkin spectral element methods on arbitrary convex quadrilateral meshes for the Laplace eigenvalue problem. Firstly, the Piola transfo...

  • Article
  • Open Access
18 Citations
3,151 Views
21 Pages

11 November 2022

Battery management systems (BMS) are important for ensuring the safety, efficiency and reliability of a battery pack. Estimating the internal equivalent circuit model (ECM) parameters of a battery, such as the internal open circuit voltage, battery r...

(This article belongs to the Collection Renewable Energy and Energy Storage Systems)
  • Article
  • Open Access
10 Citations
6,212 Views
21 Pages

Cramér–Rao Lower Bounds on 3D Position and Orientation Estimation in Distributed Ranging Systems

  • Sharanya Srinivas,
  • Samuel Welker,
  • Andrew Herschfelt and
  • Daniel W. Bliss

3 February 2023

As radio frequency (RF) hardware continues to improve, many technologies that were traditionally impractical have suddenly become viable alternatives to legacy systems. Two-way ranging (TWR) is often considered a poor positioning solution for airborn...

(This article belongs to the Section Aerospace Science and Engineering)
  • Article
  • Open Access
7 Citations
3,661 Views
25 Pages

Seeded Classification of Satellite Image Time Series with Lower-Bounded Dynamic Time Warping

  • Zheng Zhang,
  • Ping Tang,
  • Changmiao Hu,
  • Zhiqiang Liu,
  • Weixiong Zhang and
  • Liang Tang

9 June 2022

Satellite Image Time Series (SITS) record the continuous temporal behavior of land cover types and thus provide a new perspective for finer-grained land cover classification compared with the usual spectral and spatial information contained in a stat...

  • Article
  • Open Access
4 Citations
3,119 Views
9 Pages

Based on the eigenvalue idea and the time-varying weighted vector norm in the state space R n we construct here the lower and upper bounds of the solutions of uniformly asymptotically stable linear systems. We generalize the known results for...

(This article belongs to the Special Issue Qualitative Theory for Ordinary Differential Equations)
  • Feature Paper
  • Article
  • Open Access
1 Citations
2,421 Views
9 Pages

An Improvement of the Lower Bound on the Minimum Number of ≤k-Edges

  • Javier Rodrigo,
  • Susana Merchán,
  • Danilo Magistrali and
  • Mariló López

3 March 2021

In this paper, we improve the lower bound on the minimum number of  ≤k-edges in sets of n points in general position in the plane when k is close to n2. As a consequence, we improve the current best lower bound of the rectilinear crossing number...

(This article belongs to the Special Issue Algebra and Discrete Mathematics 2020)
  • Article
  • Open Access
1 Citations
3,176 Views
23 Pages

21 June 2022

The performance evaluation of state estimators for nonlinear regular systems, in which the current measurement only depends on the current state directly, has been widely studied using the Bayesian Cramér-Rao lower bound (BCRLB). However, in p...

(This article belongs to the Collection Multi-Sensor Information Fusion)
  • Article
  • Open Access
837 Views
25 Pages

8 January 2026

In parametric statistics, it is well established that the canonical measures of estimator performance—such as bias, variance, and mean squared error—are inherently dependent on the parameterization of the model. Consequently, these quanti...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
7 Citations
9,849 Views
9 Pages

22 October 2009

We show that the maximin average redundancy in pattern coding is eventually larger than 1.84 (n/log n)1/3 for messages of length n. This improves recent results on pattern redundancy, although it does not fill the gap between known lower- and upper-b...

(This article belongs to the Special Issue Information and Entropy)
  • Article
  • Open Access
1 Citations
2,360 Views
28 Pages

31 October 2023

This paper addresses the flexible flow shop scheduling problem with unloading operations, which commonly occurs in modern manufacturing processes like sand casting. Although only a few related works have been proposed in the literature, the significa...

  • Article
  • Open Access
1 Citations
2,230 Views
13 Pages

31 May 2023

We recall a classic lower bound on the minimum Hamming distance of constacyclic codes over finite fields, analogous to the well-known BCH bound for cyclic codes. This BCH-like bound serves as a foundation for proposing some minimum-distance lower bou...

(This article belongs to the Special Issue Advances in Algebraic Coding Theory and Cryptography)
  • Article
  • Open Access
9 Citations
3,395 Views
11 Pages

A lower bound for the coherence block (ChB) length in mobile radio channels is derived in this paper. The ChB length, associated with a certain mobile radio channel, is of great practical importance in future wireless systems, mainly those based on m...

(This article belongs to the Special Issue Channel Characterization for Wireless and Mobile Communications)
  • Article
  • Open Access
15 Citations
3,574 Views
23 Pages

An Entropy Weight-Based Lower Confidence Bounding Optimization Approach for Engineering Product Design

  • Jiachang Qian,
  • Jiaxiang Yi,
  • Jinlan Zhang,
  • Yuansheng Cheng and
  • Jun Liu

21 May 2020

The optimization design of engineering products involving computationally expensive simulation is usually a time-consuming or even prohibitive process. As a promising way to relieve computational burden, adaptive Kriging-based design optimization (AK...

(This article belongs to the Special Issue Computer-Aided Manufacturing and Design)
  • Feature Paper
  • Article
  • Open Access
454 Views
12 Pages

15 July 2026

We establish a new lower bound for the average local discrepancy of the Farey sequence. First, we prove a general lower-bound formula for arbitrary sequences in the unit interval in terms of their gap distribution, namely the gaps larger than the ave...

  • Article
  • Open Access
78 Citations
5,271 Views
30 Pages

14 June 2018

Effective and reliable load forecasting is an important basis for power system planning and operation decisions. Its forecasting accuracy directly affects the safety and economy of the operation of the power system. However, attaining the desired poi...

(This article belongs to the Special Issue Short-Term Load Forecasting by Artificial Intelligent Technologies)
  • Proceeding Paper
  • Open Access
2 Citations
1,878 Views
7 Pages

20 November 2017

In nonequilibrium processes, work extraction from a system is subject to random fluctuations associated with the statistical distribution prescribed by its environment. The probability of extracting work above a given arbitrary threshold can be a mea...

(This article belongs to the Proceedings of The 4th International Electronic Conference on Entropy and Its Applications)
  • Article
  • Open Access
1,057 Views
23 Pages

25 October 2025

Noisy permutation channels are applied in modeling biological storage systems and communication networks. For noisy permutation channels with strictly positive and full-rank square matrices, new achievability bounds are given in this paper, which are...

(This article belongs to the Special Issue Next-Generation Channel Coding: Theory and Applications)
  • Article
  • Open Access
4 Citations
3,502 Views
19 Pages

A Novel Codeword Selection Scheme for MIMO-MAC Lower-Bound Maximization

  • Waleed Shahjehan,
  • Syed Waqar Shah,
  • Jaime Lloret and
  • Ignacio Bosch

24 July 2018

Aiming at the limitations of the existing Limited Feedback Interference Alignment algorithms, this paper proposes a direct codeword selection scheme that maximizes the lower-bound of the user rate and reduces the sum rate loss by integrating the Bit...

(This article belongs to the Section Complexity)
  • Article
  • Open Access
1 Citations
2,442 Views
16 Pages

Lower Bound for Sculpture Garden Problem: Localization of IoT Devices

  • Marzieh Eskandari,
  • Bahram Sadeghi Bigham and
  • Mazyar Zahedi-Seresht

17 February 2023

The purpose of the current study is to investigate a special case of art gallery problem, namely a sculpture garden problem. In this problem, for a given polygon P, the ultimate goal is to place the minimum number of guards (landmarks) to define the...

(This article belongs to the Special Issue Intelligent Systems and Applications of Data Science and Internet of Things Techniques Ⅱ)

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