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The inverse of the standard estimate of covariance matrix is frequently used in the portfolio theory to estimate the optimal portfolio weights. For this problem, the distribution of the linear transformation of the inverse is needed. We obtain this distribution in the case when the sample size is smaller than the dimension, the underlying covariance matrix is singular, and the vectors of returns a

Numerous electronic travel aids (ETAs) to increase the mobility of blind or low-vision (BLV) individuals have been proposed. However, the lack of established and well-motivated methods, and of recruiting enough BLV test participants, keeps a successful aid illusory. To combat this, a new aid-agnostic questionnaire focused on mobility, the Desire of Use Questionnaire for Mobility of BLV individuals

There is in large parts of the world a demographic crisis. Due to the increase in life length and the drop inbirth rates, prospects are that much fewer people of working age will be available in the future to supportthose in retirement.Also Sweden faces a demographic challenge, implying that it will be necessary to make the Swedeswork more years. There is an obvious potential in the age range 65-7

Nonconsensual condom removal innebär att en person villkorar ett samlag med kondomanvändning, medan den andra personen under samlaget tar av kondomen utan samtycke. Alexandra Brodsky, författaren till den första och hittills enda, artikeln avseende nonconsensual condom removal, framhåller att kvinnor som blivit utsatta för nonconsensual condom removal har upplevt någon slags kränkning. De har dockNonconsensual condom removal refers to when someone preconditions sexual intercourse with the use of a condom, while the other person, during the intercourse, removes the condom without consent. Alexandra Brodsky, the author of the first, and only, article concerning nonconsensual condom removal, points out that women subjected to nonconsensual condom removal experienced some kind of violation. Ne

This thesis explores how young Swedish consumers interpret retro branding by analyzing their engagement with advertisements through a semiotic lens. Using Pierce's triadic model and Hall's conceptual map, we examined the way young consumers interpret retro branding stimuli in the form of video advertisement. We showed two advertisements from the same brand, FILA, a retro campaign and a con

This paper exposes and problematises the situation of children and adolescents with (dis)abilities in relation to Sweden’s Art and Music Schools during the time period of a national policy process.Many researchers in the Nordic countries have raised aspects of democracy in music education, as a path toward the inclusion of all children. The inclusion of children and adolescents with (dis)abilities

Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet

Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet

Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet

Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet

Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet