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We introduce rigorous theory for deriving first and second order backpropagation methods for Deep Neural Networks (DNN) whilst satisfying existing theory in DNN optimization. We begin by formally defining a neural network with its respective components and state the first and second order chain rule with respect to its partial derivatives. The partial derivatives in the chain rule formula are rela
Studievägledare Kontaktinformation E-post: daniel [dot] alfons [at] svet [dot] lu [dot] se Telefon: +46 46 222 89 50Organisation Statsvetenskapliga institutionen Rumsnummer: 232 Hämtställe: 31 Idag arbetar jag till 50 procent som studievägledare och 50 procent som biträdande studierektor.StudievägledningRum: 232 Boka tid för samtal genom TimeEdit.Om du inte är student vid Lunds universitet vänlige
https://www.svet.lu.se/daniel-alfons - 2026-07-12
The global pandemic has initially negatively influenced the financial markets all over the world. As a consequence, the volatility in the stock markets increased and investors have experienced great monetary losses. In addition, the volatility spillover has increased between different markets and assets, which additionally amplifies the negative influence by the pandemic. This motivates the search
Popular Abstract in Swedish Grupp B streptokocker (GBS; Streptococcus agalactiae) är den vanligaste orsaken till livs-hotande infektioner hos nyfödda barn. Enbart i USA orsakar GBS ~10 000 fall av meningit (hjärnhinneinflammation), pneumoni (lunginflammation) och sepsis (blodförgiftning) varje år. Infektionerna har hög dödlighet och en stor del av de barn som överlever infektionerna får bestående Streptococcus pyogenes (group A streptococcus) and the group B streptococcus (GBS) are two important human pathogens that cause different types of diseases and express different surface structures implicated in virulence. This thesis focuses on several surface proteins expressed by these pathogens, analyzing the biological function of these proteins and their ability to elicit protective immunity.
This study explores the use of manganese ore, iron-carbon particles (Fe-C), and gravel as anode fillers in electroactive constructed wetlands (ECWs) to treat wastewater containing pharmaceuticals and personal care products (PPCPs) including ciprofloxacin (CIP), ofloxacin (OFL), and naproxen (NPX), while also assessing bioelectricity production. Although the presence of PPCPs reduced pollutant remo
Recent epidemiological data on diseases caused by beta-hemolytic streptococci belonging to Lancefield group C and G ( GCS, GGS) underline that they are an emerging threat to human health. Among various virulence factors expressed by GCS and GGS isolates from human infections, M and M-like proteins are considered important because of their anti-phagocytic activity. In addition, protein G has been i
Background: Ocrelizumab is a humanized anti-CD20 antibody with increased antibody-dependent cellular cytotoxicity compared with rituximab. This phase I/II study evaluated its safety and efficacy in patients with relapsed/refractory follicular lymphoma (FL) after prior rituximab therapy. Design and methods: Forty-seven patients were treated in three dose cohorts and received eight infusions every 3
Streptococcus pyogenes is one of the most common bacteria infecting humans. One of the factors contributing to the disease-causing properties is the secreted streptococcal cysteine proteinase, SpeB, which degrades several host proteins in connective tissue and circulation. SpeB activity depends on the transformation from an inactive precursor, zymogen, into a mature proteinase. We show that
Primary hemophagocytic lymphohistiocytosis (HLH) is a life-threatening disorder associated with autosomal recessive variants in genes required for perforin-mediated lymphocyte cytotoxicity. A rapid diagnosis is crucial for successful treatment. Although defective cytotoxic T lymphocyte (CTL) function causes pathogenesis, quantification of natural killer (NK)–cell exocytosis triggered by K562 targe
Streptococcus pyogenes (Group A streptococcus; GAS) is an important human pathogen responsible for mild to severe, life-threatening infections. GAS expresses a wide range of virulence factors, including the M family proteins. The M proteins allow the bacteria to evade parts of the human immune defenses by triggering the formation of a dense coat of plasma proteins surrounding the bacteria, includi
In the present study, two types of micro-pin–fin configurations were fabricated on silicon surfaces by a dry etching method, i.e., staggered pin fins (#1) and aligned pin fins with empty areas (#2). The micro-pin–fin surfaces were then further modified by depositing FeMn oxide nanoparticles (∼35 nm) electrostatically for 8 h and 16 h, respectively, namely #1-8h, #1-16h, #2-8h and #2-16h. Subcooled
The Summary for Urban Policymakers (SUP) initiative provides a distillation of the IPCC reports into accessible and targeted summaries that can help inform action at city and regional scales. Volume I in the series, What the Latest Physical Science of Climate Change Means for Cities, identified the ways in which human-induced climate change is affecting every region of the world, and the cities an
Uppsatsen har undersökt huruvida spelföretaget Star Stable Entertainment AB marknadsföring av virtuella valutor och produkter till barn bryter mot EU:s konsumentskyddslagstiftning i ljuset av Sveriges Konsumenters anmälan mot företaget. Uppsatsen har även diskuterat om direktivet om otillbörliga affärs-metoder är anpassat för den digitala miljön med hänsyn till kommissionens aktuella fitness checkThe essay analyses whether the gaming company Star Stable Entertainment AB´s marketing of virtual currencies and other virtual products against chil-dren violates EU consumer law, considering the Swedish Consumers Associ-ation’s complaint against the company. The paper also discusses whether the Unfair Commercial Practice Directive (UCPD) is fit for the digital environ-ment, given the European Com
Prekonceptionell hälsa och rådgivning Kvinnor och mäns levnadsvanor inför graviditet påverkar fostret och det blivande barnets hälsa. Under våren 2019 ges en utbildning i Prekonceptionell hälsa och rådgivning vid Lunds universitet. Utbildningen är den första kursen i Sverige inom prekonceptionell hälsa, vilket gör den unik i sitt slag. Den riktar sig till barnmorskor generellt, och i synnerhet til
https://www.medicin.lu.se/sites/medicin.lu.se/files/prekonceptionell_halsa_20181218.pdf - 2026-07-13
