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This article addresses the obstacle avoidance problem for setpoint stabilization tasks in complex dynamic 2-D environments that go beyond conventional scenes with isolated convex obstacles. A combined motion planner and controller is proposed that integrates the favorable convergence characteristics of closed-form motion planning techniques with the intuitive representation of system constraints t
Normalizing flows (NFs) have been shown to be advantageous in modeling complex distributions and improving sampling efficiency for unbiased sampling. In this work, we propose a new class of continuous NFs, ascent continuous normalizing flows (ACNFs), that makes a base distribution converge faster to a target distribution. As solving such a flow is non-trivial and barely possible, we propose a prac
Walrus ivory was a prized commodity in medieval Europe and was supplied by Norse intermediaries who expanded across the North Atlantic, establishing settlements in Iceland and Greenland. However, the precise sources of the traded ivory have long remained unclear, raising important questions about the sustainability of commercial walrus harvesting, the extent to which Greenland Norse were able to c
In this short podcast, we define ageism and describe how it is quietly pervasive in our everyday lives. We discuss the negative impacts of ageism, provide examples, and identify ways to combat ageism. Target audience: high school/secondary school students. Music and mixing by Sean Mac.En este breve podcast, hablamos sobre el edadismo o discriminación por edad y describimos cómo está silenciosament
Purpose: We present a comprehensive investigation into the organizational, social, and ethical impact of implementing digital breast tomosynthesis (DBT) as a primary test for breast cancer screening in Italy. The analyses aimed to assess the feasibility of DBT specifically for all women aged 45–74, women aged 45–49 only, or those with dense breasts only. Methods: Questions were framed according to
The COVID-19 crisis intensified decade-long debates on the interaction between intellectual property rights (IPRs), competition law and access to affordable life-saving treatments and vaccines. Compulsory licensing of patented medicines is a tried-and-tested method to expand access, particularly in a situation of “national emergency or other circumstances of extreme urgency” within the meaning of
Compulsory licensing is a statutorily created nonexclusive license by the competent authority granted to a third party to make, use, or sell an invention, where remuneration is paid to the right holder and the right holder maintains his legal intellectual property rights. Thus, the compulsory licensing differs from expropriation, where the property ownership is transferred and no remuneration is p
1. In order to prove a copyright exception not contemplated in the Act but based on long-standing practice the defendant must show strong evidence that goes beyond a usual practice in the business.2. The use of a copyright-protected work even in a commercial or marketing context can be of such secondary importance that – notwithstanding that the rights holder has not permitted the use – it would nThe present article grapples with the concept of de minimis in European copyright law in light of the ruling by the Danish Supreme Court in Würtz v Coop Denmark. The article begins with a brief background of the case. The second section delves into the concept of de minimis and its origins and framing in European copyright law. The third section compares the concept to US legislation and case law
According to Sec. 23(3), of the Danish Copyright Act copies of works of art which have been transferred to others by the author, may be used in newspapers, periodicals, films and TV, when the use is of subordinate purpose in the said context. The use of a work of art, here in the form of applied art, by reproduction on packaging for foods and supermarket leaflets from convenience stores falls outs
Managing tuberculous meningitis (TBM) is challenging because of its poor prognosis and the difficulty in making an early diagnosis due to the low sensitivity of cerebrospinal fluid (CSF) polymerase chain reaction (PCR) evaluations. A 75-year-old woman presented with fatigue and multiple enlarged lymph nodes and was initially suspected of having metastatic cancer of unknown primary origin. Differen
Particle physics experiments rely extensively on computing and data services, making e-infrastructure an integral part of the research collaboration. Constructing and operating distributed computing can however be challenging for a smaller-scale collaboration.The Light Dark Matter eXperiment (LDMX) is a planned small-scale accelerator-based experiment to search for dark matter in the sub-GeV mass
In this work we construct new multi-dimensional families of compact minimal submanifolds of the classical Riemannian symmetric spaces SU(n)/SO(n)$, Sp(n)/U (n), SO(2n)/U(n)$ and SU(2n)/Sp(n) of codimension two
Climate mitigation constitutes an intergenerational moral dilemma; the decisions we make today will inevitably shape the prospects for generations to come. Yet, we still know little about the relationship between intergenerational altruism (IGA)—our concerns for the well-being of future generations—and support for costly climate mitigation policies. In this study, we present an approach to measuri
Which governments implement interventionist or liberalising labour policy reforms, and does the economic context matter? Drawing on the previous literature on government ideology and public policy, we hypothesise that leftist governments are more likely to implement interventionist labour policies. However, we also expect that economic circumstances influence parties’ room to manoeuvre, and we thu
Endophytic fungi, residing within plants without causing disease, are known for their ability to produce bioactive metabolites with diverse properties such as antibacterial, antioxidant, and antifungal activities, while also influencing plant defense mechanisms. In this study, five novel endophytic fungi species were isolated from the leaves of Psychotria poeppigiana Müll. Arg., a plant from the R
This paper forms part of a broader study on the design and optimisation of a high speed switched reluctance motor (SRM) for hybrid-electrical automotive traction applications. The main focus of this particular paper is to explain the design optimisation methodology followed. Furthermore, the main aim of the motor design is to push the power density of the SRM as high as possible. This leads to num
The growth of electromobility emphasizes the need for good charging solutions. Electric vehicles can be charged either while standing still (static charging) or while in movement (dynamic charging) by using electric road systems (ERSs). In both cases, significant power levels are used to transfer energy to the vehicles, thus requiring a thermal design that is able to handle the losses generated wh
Thermal design of electric traction machines for high performance HEV drivetrains is a challenging task. Unlike conventional HEV traction machines, these machines are subject to continuous operation at or near their thermal limits during race-track driving, and so thermal management is of paramount importance to the mass and size of the machine. This article presents the main challenges related to
