• On natural modes in moonpools and gaps in finite depth 

      Molin, Bernard Jean Marie; Zhang, X; Huang, H; Remy, F (Journal article; Peer reviewed, 2018)
      In this paper an extension of the theoretical model of Molin (J. Fluid Mech., vol. 430, 2001, pp. 27–50) is proposed, where the assumptions of infinite depth and infinite horizontal extent of the support are released. The ...
    • On Newton Diagrams of Plurisubharmonic Polynomials 

      Simon, Lars; Stensønes, Berit (Journal article; Peer reviewed, 2018)
      Each extreme edge of the Newton diagram of a plurisubharmonic polynomial on C2 gives rise to a plurisubharmonic polynomial. It is tempting to believe that the union of the extreme edges or the convex hull of said union ...
    • On non-commutative stochastic exponentials 

      Curry, Charles Henry Alexander; Ebrahimi-Fard, Kurusch; Patras, Frederic (Journal article; Peer reviewed, 2019)
      Using non-commutative shuffle algebra, we outline how the Magnus expansion allows to define explicit stochastic exponentials for matrix-valued continuous semimartingales and Stratonovich integrals.
    • On nonlocal quasilinear equations and their local limits 

      Chasseigne, Emmanuel; Jakobsen, Espen Robstad (Journal article, 2017)
      We introduce a new class of quasilinear nonlocal operators and study equations involving these operators. The operators are degenerate elliptic and may have arbitrary growth in the gradient. Included are new nonlocal ...
    • On Numerical Approximations of Fractional and Nonlocal Mean Field Games 

      Chowdhury, Indranil; Ersland, Olav; Jakobsen, Espen Robstad (Peer reviewed; Journal article, 2022)
      We construct numerical approximations for Mean Field Games with fractional or nonlocal diffusions. The schemes are based on semi-Lagrangian approximations of the underlying control problems/games along with dual approximations ...
    • On numerical density approximations of solutions of SDEs with unbounded coefficients 

      Chen, Linghua; Jakobsen, Espen Robstad; Næss, Arvid (Journal article, 2017)
      We study a numerical method to compute probability density functions of solutions of stochastic differential equations. The method is sometimes called the numerical path integration method and has been shown to be fast and ...
    • On occupant-centric building performance metrics 

      O'Brien, William; Gaetani, Isabella; Carlucci, Salvatore; Hoes, Pieter-Jan; Hensen, Jan L.M. (Journal article; Peer reviewed, 2017)
      Existing building performance metrics cover a wide variety of domains including energy performance, equipment performance, electric lighting, indoor environmental quality, capital and operating costs, and environmental ...
    • On occurrence of point singularities in orthorhombic media 

      Ivanov, Yuriy (Journal article; Peer reviewed, 2019)
      Degeneracies of the slowness surfaces of shear (and compressional) waves in low‐symmetry anisotropic media (such as orthorhombic), known as point singularities, pose difficulties during modelling and inversion, but can be ...
    • On Optimal Tightness for Key Exchange with Full Forward Secrecy via Key Confirmation 

      Gellert, Kai; Gjøsteen, Kristian; Jacobsen, Håkon; Jager, Tibor (Journal article; Peer reviewed, 2023)
      A standard paradigm for building key exchange protocols with full forward secrecy (and explicit authentication) is to add key confirmation messages to an underlying protocol having only weak forward secrecy (and implicit ...
    • On Orbital Stabilization as an alternative to Reference Tracking Control 

      Sætre, Christian Fredrik; Shiriaev, Anton (Chapter, 2020)
      With the purpose of highlighting the concept of orbital stabilization as an alternative to the reference tracking control methodology, this paper considers simple, informative examples in relation to motion control of an ...
    • On Orbital Stabilization for Industrial Manipulators: Case Study in Evaluating Performances of Modified PD+ and Inverse Dynamics Controllers 

      Pchelkin, Stepan; Shiriaev, Anton; Robertsson, Anders; Freidovich, Leonid B.; Kolyubin, Sergey; Paramonov, Leonid; Gusev, Sergey (Journal article; Peer reviewed, 2017)
      Orbital stabilization is one of the available alternatives to the classical asymptotic stabilization, known as the reference tracking control, which is typically considered and implemented for controlling motions of ...
    • On Path Length Estimation for Wireless Capsule Endoscopy 

      Bjørnevik, Anders; Floor, Pål Anders; Balasingham, Ilangko (Chapter, 2018)
      Wireless capsule endoscopy (WCE) is a non-invasive technology used for inspection of the gastrointestinal tract. Localization of the capsule is a vital part of the system enabling physicians to identify the position of ...
    • On performance analysis of protective jamming schemes in wireless sensor networks 

      Li, Xuran; Dai, Hong-Ning; Wang, Hao; Xiao, Hong (Peer reviewed; Journal article, 2016)
      Wireless sensor networks (WSNs) play an important role in Cyber Physical Social Sensing (CPSS) systems. An eavesdropping attack is one of the most serious threats to WSNs since it is a prerequisite for other malicious ...
    • On Physical Layer Security of Double Rayleigh Fading Channels for Vehicular Communications 

      Ai, Yun; Cheffena, Michael; Mathur, Aashish; Lei, Hongjiang (Journal article; Peer reviewed, 2018)
      In this letter, we study the physical layer secrecy performance of the classic Wyner's wiretap model over double Rayleigh fading channels for vehicular communications links. We derive novel and closed-form expressions for ...
    • On Physical Layer Security of α-η-κ-μ Fading Channels 

      Mathur, Aashish; Ai, Yun; Bhatnagar, Manav R.; Cheffena, Michael; Ohtsuki, Tomoaki (Journal article; Peer reviewed, 2018)
      In this letter, we study the secrecy performance of the classic Wyner’s wiretap model, where the main and eavesdropper channels are modeled by a general and versatile α-η-κ-µ fading model. Novel and exact expressions of ...
    • On Predicting Sensor Readings With Sequence Modeling and Reinforcement Learning for Energy-Efficient IoT Applications 

      Laidi, Roufaida; Djenouri, Djamel; Balasingham, Ilangko (Peer reviewed; Journal article, 2021)
      Prediction of sensor readings in event-based Internet-of-Things (IoT) applications is considered. A new approach is proposed, which allows turning off sensors in periods when their readings can be predicted, thus preserving ...
    • On predicting time to completion for the first stage of spontaneous labor at term in multiparous women 

      Gunnarsson, Bjørn; Skogvoll, Eirik; Jónsdóttir, Ingibjörg H.; Røislien, Jo; Smarason, Alexander K (Journal article; Peer reviewed, 2017)
      Background: Labor that progresses faster than anticipated may lead to unplanned out-of-hospital births. With the aim to improve planning of transportation to birthing institutions, this study investigated predictors of ...
    • On prediction of torque in flexible pipe reeling operations using a Lagrangian-Eulerian FE framework 

      Longva, Vegard; Sævik, Svein (Journal article; Peer reviewed, 2016)
      In this paper a new framework for FE simulation of reeling operations that utilizes a Lagrangian–Eulerian description of the beam kinematics is proposed. In contrast to the conventional Lagrangian approach, the material ...
    • On Privacy Aware Carriers for Value-Possessed e-Invoices Considering Intelligence Mining 

      Cha, Shih-Chao; Wang, Hao; Tan, Zhiyuan; Joung, Yuh-Jzer; Tseng, Yen-Chung; Yeh, Kuo-Hui (Peer reviewed; Journal article, 2020)
      Intelligence mining is one of the most promising technologies for effectively extracting intelligence (and knowledge) to enhance the quality of decision making. In Taiwan, the government curtails underground economic ...
    • On prototyping methods to leverage non-rigid materials in the early stages of engineering design 

      Auflem, Marius; Bøe, Hans Hagenes; Erichsen, Jørgen Falck; Steinert, Ralf Martin (Peer reviewed; Journal article, 2020)
      Prototyping has been shown important to facilitate learning, inform decisions and to communicate ideas in engineering design. However, it is not evident which methods, tools and materials to use, as prototyping is practised ...