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Design problems related to the next generation Internet core networks can be difficult to solve in an exact way. Hence, for large networks they may require approximate algorithms. The paper considers two optimization problems for off-line design of robust NGI core networks carrying elastic traffic with a two-layer IP/MPLS over WDM architecture. The problems are NP-hard and are formulated as mixed-
In this thesis we study functionals of the type \( \mathcal{K}_{f,A,\b}(\x)= \mathcal{Q}(f)(\x) + \|A\x - \b \| ^2 \), where \(A\) is a linear map, \(\b\) a measurements vector and \( \mathcal{Q} \) is a functional transform called \emph{quadratic envelope}; this object is a very close relative of the \emph{Lasry-Lions envelope} and its use is meant to regularize the functionals \(f\). Carlsson a
This study acknowledges that home is a central and valenced place for most people, and therefore it is assumed that (a) the content in people’s general category for home issues can be activated easily, particularly by various home-related stimuli, and that (b) the affective charge of such content can have a valence-congruent impact on evaluations of home-related stimuli. These assumptions were the
This thesis concerns the investigation of direct and inverse resonance results for the Love and the Rayleigh operators, which arise from decoupling the three-dimensional elastic wave equation in the semiclassical limit in the half-space. Direct resonance results in terms of the asymptotic distribution of resonances in the complex plane are obtained for the Love and the Rayleigh operators. An inver
We consider approximations to the solutions of differential Riccati equations in the context of linear quadratic regulator problems, where the state equation is governed by a multiscale operator. Similarly to elliptic and parabolic problems, standard finite element discretizations perform poorly in this setting unless the grid resolves the fine-scale features of the problem. This results in unfeas
We consider waveform iterations for dynamical coupled problems, or more specifically, PDEs that interact through a lower-dimensional interface. We want to allow for the reuse of existing codes for the subproblems, called a partitioned approach. To improve computational efficiency, different and adaptive time steps in the subsolvers are advisable. Using so-called waveform iterations in combination
In this paper we present a unified formulation for a large class of relative pose problems with radial distortion and varying calibration. For minimal cases, we show that one can eliminate the number of parameters down to one to three. The relative pose can then be expressed using varying calibration constraints on the fundamental matrix, with entries that are polynomial in the parameters. We can
The International Society for Clinical Densitometry (ISCD) has published position statements on topics relating to the use and interpretation of measurements of bone mineral density (BMD). The most recent appeared in the Journal of Clinical Densitometry (1) and was republished in the Journal of Endocrinology and Metabolism and in Osteoporosis International (2,3). The topics included the indication
Lägg till titel FÖRSÄTTSSIDA STYRDOKUMENT Kvalitetspolicy för Lunds universitet Typ av styrdokument: Policy Definition av typen av styrdokument: En policy uttrycker ledningens övergripande viljeriktning eller värden som ska beaktas inom det område policyn omfattar och sätter ramarna för ett visst handlande och utgör en stark rekommendation om ett visst handlingssätt. Beslutsfattare: Universitetsst
A trend, which can be noted in the field of cash handling, is the increase of ATMs that are able to recirculate banknotes. Cash recycling means that notes deposited by one customer are then available for withdrawal by another from the same machine. Cash recycling has both economic advantages and reduces environment impact, as transport to machines for filling and emptying them can be decreased. Wh
BACKGROUND: Polymorphisms in the apolipoprotein E (APOE) gene are associated with fracture risk, and a potential mechanism is through vitamin K transport.OBJECTIVE: We investigated the relation between dietary vitamin K(1) intake, APOE polymorphisms, and markers of bone health.DESIGN: We measured bone mineral density (BMD) at the lumbar spine (LS) and femoral neck (FN) in a cohort of Scottish wome
Accurate detection of SARS-CoV-2 neutralizing antibody (nAb) is critical for assessing the immunity levels after virus infection or vaccination. As fast, cost-effective alternatives to viral infection-based assays, competitive binding (CB) assays were developed to quantitate nAb by monitoring the ability of sera to inhibit the binding of viral spike (S) protein to the angiotensin converting enzyme
Introduction Obstetric anal sphincter injury (OASIS) occurs in 5%-7% of normal deliveries and increases with vacuum extraction (VE) to 12%-14% in nulliparous women in Sweden. Lateral/mediolateral episiotomy may reduce the prevalence of OASIS at VE in nulliparous women. The current use of episiotomy is restrictive. The protective effect and consequences are uncertain. This trial will investigate if
