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showing 10 items of 1268 documents
Thinking outside the box: effects of modes larger than the survey on matter power spectrum covariance
2012
Considering the matter power spectrum covariance matrix, it has recently been found that there is a potentially dominant effect on mildly non-linear scales due to power in modes of size equal to and larger than the survey volume. This {\it beat coupling} effect has been derived analytically in perturbation theory and while it has been tested with simulations, some questions remain unanswered. Moreover, there is an additional effect of these large modes, which has so far not been included in analytic studies, namely the effect on the estimated {\it average} density which enters the power spectrum estimate. In this article, we work out analytic, perturbation theory based expressions including…
Astronomiskais aspekts sengrieķu tekstos
2021
Lekcijā tika aplūkoti atsevišķi debess ķermeņu un dabas parādību pieminējuma un atainojuma aspekti Eiropas senākajos dzejas tekstos, uzmanības lokā uzsverot sengrieķu literatūras sākotni ar Homēra un Hēsioda tekstiem un arhaiskā perioda liriku, kā arī hellēnisma laika dzejnieka Arāta poēmu “Parādības” (sengrieķu val. Φαινόμενα), kas šobrīd tiek tulkota un atdzejota latviešu valodā. Izskanēja arī Arāta poēmas atdzejojuma fragmenti.
Electrophysiological Correlates of Aesthetic Music Processing
2009
We analyzed the processes of making aesthetic judgments of music, focusing on the differences between music experts and laypersons. Sixteen students of musicology and 16 control subjects (also students) judged the aesthetic value as well as the harmonic correctness of chord sequences. Event-related potential (ERP) data indicate differences between experts and laypersons in making aesthetic judgments at three different processing stages. Additionally, effects of expertise on ERP components that have previously been proven to be sensitive to musical training were replicated. The study thus provides insights into the effects of musical expertise on neural correlates of aesthetic music processi…
Par Latvijas Universitātes tapšanu 1919. gada septembra preses publikācijās
2022
The author of the article is a 1st year student of the Bachelor's study program at the Faculty of Law of the University of Latvia (UL) and a scholarship holder of the University of Latvia Foundation, whose interests include historical research and public activity within the framework of patriotism. The author has carried out research on the press coverage of the founding of the UL in September 1919, when a decisive event in the history of the Latvian state - the Latvian War of Independence (1918-1920) - took place. The article provides an opportunity to learn new, innovative facts and research directions for future work by other scholarship holders of the UL Foundation or specialists in the…
Vāļu galu aproces Latvijā: studiju darbs
1944
Austrumbaltijas eksperts Karls Reinholds Kupfers
2022
Raksts par vācbaltu botāniķa Karla Reinholda Kupfera (1872-1935) dzīvi, Austrumbaltijas pētījumiem un citiem zinātniskajiem sasniegumiem.
Predictability decomposition detects the impairment of brain-heart dynamical networks during sleep disorders and their recovery with treatment
2016
This work introduces a framework to study the network formed by the autonomic component of heart rate variability (cardiac process η ) and the amplitude of the different electroencephalographic waves (brain processes δ , θ , α , σ , β ) during sleep. The framework exploits multivariate linear models to decompose the predictability of any given target process into measures of self-, causal and interaction predictability reflecting respectively the information retained in the process and related to its physiological complexity, the information transferred from the other source processes, and the information modified during the transfer according to redundant or synergistic interaction betwee…
Operu repertuārs no 1888. gada aprīļa līdz 1914. gada maijam
1888
Latvijas Vēstures Institūta Žurnāls. 2014, Nr. 2 (91)
2014
Valsts kultūrkapitāla fonds
Ethnicity, 2012/6 : Ethnic Identities and Integration of the Society
2012
"Ethnicity" – a peer-reviewed journal was established by the Institute of Philosophy and Sociology (University of Latvia). The journal publishes original works about ethnicity in different fields of knowledge – sociology, history, social linguistics, social psychology, law, political science.