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Packet-Type Aware Scheduling of Moldable Streaming Tasks on Multicore Systems with DVFS

We introduce a novel approach for energy-efficient scheduling of data-dependent stream programs with packet types on multicore architectures with voltage and frequency scaling. To have the given application meet specific throughput demands while minimizing energy consumption, we enhance the existing crown scheduling by packet-type dependent parameters. Formulation as an integer linear program gene

Application Specific Instruction-set Processors for Massive MIMO Systems

This is an undeniable fact now that wireless systems pervade all aspects of our lives. These systems are evolving at a rapid clip, connecting more people and devices every single day that goes by. This growth is further fueled by the users’ insatiable appetite for more traffic, be it for online gaming, watching high-fidelity video, downloading huge files, live- streaming and many more uses. With t

Navigating Information Overload Caused by Automated Testing – A Clustering Approach in Multi-Branch Development

Background. Test automation is a widely used technique to increase the efficiency of software testing. However, executing more test cases increases the effort required to analyze test results. At Qlik, automated tests run nightly for up to 20 development branches, each containing thousands of test cases, resulting in information overload. Aim. We therefore develop a tool that supports the analysis

3D Integration Technology and Near-Memory Computing for Edge AI

In the era of artificial intelligence of things (AIoT), distributed processing on local devices is growing in popularity. This stems from the need to reduce data transfer to and from central servers, with concerns about privacy and latency encouraging the processing of AI applications on edge devices. However, the computational demands of these applications require an increase in the processing ca

Experimental Analysis of Multipath Characteristics in Indoor Distributed Massive MIMO Channels

Distributed multiple-input multiple-output (MIMO), also known as cell-free massive MIMO, has emerged as a promising technology for sixth-generation (6G) wireless networks. This letter introduces an indoor channel measurement campaign designed to explore the behavior of multipath components (MPCs) in distributed MIMO channels. Fully coherent channels were measured between eight distributed uniform

Handling nonlinear power amplifiers in massive MIMO : system-level tradeoffs

With the rapid growth of mobile communication systems, massive multiple-input multiple-output (MIMO) technology plays a key role in enhancing communication systems to meet growing data traffic demands. However, scaling the technology further challenges the system designers to balance design tradeoffs in order to provide efficient and low-cost communication systems. This requires efficient hardware

The First WARA Robotics Mobile Manipulation Challenge - Lessons Learned

The first WARA Robotics Mobile Manipulation Challenge, held in December 2024 at ABB Corporate Research in Vasteras, Sweden, addressed the automation of task-intensive and repetitive manual labor in laboratory environments - specifically the transport and cleaning of glassware. Designed in collaboration with AstraZeneca, the challenge invited academic teams to develop autonomous robotic systems cap

Certifying combinatorial optimization using pseudo-Boolean reasoning

Combinatorial optimization provides a powerful framework for solving complex optimization problems with general-purpose solvers by modelling the problem in an abstract language. Due to breakthroughs in algorithms to solve combinatorial optimization problems in last decades, combinatorial optimization has become a valid approach to solve many real world problems efficiently. Key application areas a

Towards an Understanding of Polynomial Calculus : New Separations and Lower Bounds

During the last two decades, an active line of research in proof complexity has been into the space complexity of proofs and how space is related to other measures. By now these aspects of the resolution proof system are fairly well understood, but many open problems remain for the related but stronger proof system polynomial calculus (PC/PCR). For instance, the space complexity of many standard “

Quantum Automating TC0-Frege Is LWE-Hard

We prove the first hardness results against efficient proof search by quantum algorithms. We show that underLearning with Errors (LWE), the standard lattice-based cryptographic assumption, no quantum algorithm can weaklyautomate TC0-Frege. This extends the line of results of Krajííček and Pudlík(Information and Computation, 1998), Bonet, Pitassi, and Raz (SIAM Journal on Computing, 2000),and Bonet

Critical evaluation of three cryo-EM structures of particulate methane monooxygenase by quantum refinement

Particulate methane monooxygenase (pMMO) is an enzyme that converts methane into methanol at ambient temperature and pressure. Over the past three decades, the metal content and location of the active site have been highly controversial. Recent single-particle cryogenic electron-microscopy (cryo-EM) structures have furthered this debate. In this study, three cryo-EM structures (PDB entries 7s4h, 7

On the Stability of the Logit Dynamics in Population Games

We analyze the stability of the logit evolutionary dynamics in population games, possibly with multiple heterogeneous populations. For general population games, we prove that, on the one hand, strict Nash equilibria are asymptotically stable under the logit dynamics for low enough noise levels, on the other hand, a globally exponentially stable logit equilibrium exists for sufficiently large noise

A Buffer-Refill Scheduling System for a Digital Small Scale Continuous Bioprocess

Efterfrågan på biologiska läkemedel blir allt större, i och med att det med tiden upptäckts fler användningsområden för till exempel antikroppar, enzymer och virus. Dessa har i många fall blivit standardläkemedel för att behandla till exempel diabetes, vissa neurologiska sjukdomar och HIV/AIDS. Biologiska läkemedel känneteckas av att produceras av celler som genetiskt har modifierats. Från dessa cThis thesis addresses a challenge in continuous high performance liquid chromatography (HPLC): ensuring reliable, timely supply of buffer solutions. As biopharmaceutical production increasingly moves toward continuous operation, buffer management becomes critical, since chromatography requires multiple buffer types with precise compositions for washing, elution, equilibration, and regeneration. In

The symmetry coefficient of positively homogeneous functions

The Bregman distance is a central tool in convex optimization, particularly in first-order gradient descent and proximal-based algorithms. Such methods enable optimization of functions without Lipschitz continuous gradients by leveraging the concept of relative smoothness, with respect to a reference function h. A key factor in determining the full range of allowed step sizes in Bregman schemes is

Policy Verification in Stochastic Dynamical Systems Using Logarithmic Neural Certificates

We consider the verification of neural network policies for discrete-time stochastic systems with respect to reach-avoid specifications. We use a learner-verifier procedure that learns a certificate for the specification, represented as a neural network. Verifying that this neural network certificate is a so-called reach-avoid supermartingale (RASM) proves the satisfaction of a reach-avoid specifi

Distributed deployment and dual-frequency concepts to strengthen sub-THz wireless systems

The vast bandwidth available at sub-THz frequencies holds great promise for high-speed wireless access, precise localization, and advanced sensing applications. However, fundamental physical constraints and technological limitations make the deployment of reliable sub-THz networks challenging. We propose a new paradigm for sub-THz coverage by transmitting the RF signals over polymer microwave fibe

Anticipation matters: sex differences in head acceleration responses and implications for sport-related concussion

IntroductionSport-related concussion (SRC) is a major health concern in contact sports. Linear head acceleration (LHA) and rotational head acceleration (RHA) are central biomechanical markers, and anticipatory neck muscle activation may mitigate these forces. Evidence on how anticipation influences head kinematics, and whether sex differences exist, remains limited. This study compared head accele

SCA-LDPC : a code-based framework for key-recovery side-channel attacks on post-quantum encryption schemes

Whereas theoretical attacks on standardized crypto primitives rarely lead to actual practical attacks, the situation is different for side-channel attacks. Improvements in the performance of side-channel attacks are of utmost importance.In this paper, we propose a framework to be used in key-recovery side-channel attacks on CCA-secure post-quantum encryption schemes. The basic idea is to construct

Enhancing Key-Recovery Chosen-Ciphertext Side-Channel Attacks on NTRU Using LDPC}

In this work, we introduce novel techniques for adapting the SCA-LDPC framework to NTRU-style Key Encapsulation Mechanisms (KEMs). Our approach significantly reduces the required measurements compared to prior analyses under similar oracle noise, validated through extensive simulations, and shows robustness against decision errors in the constructed oracle. Furthermore, we present the first docume