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Morphological dependencies : a dissertation
Guy Tabachnick, 2023, doktorska disertacija

Opis: This dissertation investigates morphological dependencies: correlations between two lexically specific patterns, such as selection of inflectional affixes. Previous work has established that such correlations exist in the lexicon of morphologically rich languages (Ackerman et al., 2009; Wurzel, 1989), but has not systematically tested whether speakers productively extend these patterns to novel words. I present a series of corpus and nonce word studies—in Hungarian, Czech, and Russian—testing whether speakers vary their selection of suffixed forms of novel words based on the forms of that word that are presented to them. In all three cases, speakers vary their responses in accordance with the provided stimuli, demonstrating that they have learned and productively apply morphological dependencies from the lexicon. I present a theoretical account of morphological dependencies that can account for my experimental results, based on the sublexicon model of phonological learning (Allen & Becker, 2015; Becker & Gouskova, 2016; Gouskova et al., 2015). In this model, speakers index lexically specific behavior with diacritic features attached to underlying forms in lexical entries, and learn generalizations over sublexicons defined as words that share a feature. These generalizations are stored as constraints in phonotactic grammars for each sublexicon, enabling speakers to learn phonological and morphological dependencies predicting words that pattern together. This model provides a unified treatment of morphological dependencies and generalizations that are phonological in nature. My studies show a wide range of learned effects, not limited to those that follow an organizational principle like paradigm uniformity. The sublexicon model assumes that speakers can learn arbitrary generalizations without restrictions, giving it needed flexibility over more restrictive models which rely on notions of morphophonological naturalness.
Ključne besede: inflectional affixes, nonce word study, lexical productivity, morphological dependencies, diacritic features, dissertations
Objavljeno v RUNG: 04.03.2024; Ogledov: 264; Prenosov: 6
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Evidentials and interrogatives : a case study from Korean
Dong Sik Lim, 2010, doktorska disertacija

Ključne besede: evidentiality, origo-shift, questions, Korean, dissertations
Objavljeno v RUNG: 29.02.2024; Ogledov: 306; Prenosov: 2
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Why even ask? : on the pragmatics of questions and the semantics of answers
Elena Guerzoni, 2003, doktorska disertacija

Ključne besede: presupposition projection, questions, focus, negative polarity, semantics, pragmatics, dissertations
Objavljeno v RUNG: 27.02.2024; Ogledov: 306; Prenosov: 4
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Pusti me da uradim sam : interaktivna digitalna knjiga za decu
Olivera Batajić Sretenović, 2022, doktorska disertacija

Objavljeno v RUNG: 09.01.2023; Ogledov: 1123; Prenosov: 0
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Algebraic hyperstructures in the model theory of valued fields : PhD in mathematics
Alessandro Linzi, 2022, doktorska disertacija

Ključne besede: hyperfield, valued field, algebra, model theory, quantifier elimination
Objavljeno v RUNG: 27.10.2022; Ogledov: 1312; Prenosov: 80
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Reducibility in algebraic hyperstructures : PhD thesis
Milica Kankaras, 2022, doktorska disertacija

Objavljeno v RUNG: 05.05.2022; Ogledov: 1415; Prenosov: 0

Unravelling the molecular basis of hydroxyapatite weathering driven by the ectomycorrhizal fungus Paxillus involutus
Christina Paparokidou, 2018, doktorska disertacija

Opis: Ectomycorrhizal fungi (EMF) form symbiotic partnerships with tree roots and are able to chemically weather inorganic phosphorus (Pi)-rich minerals, supplying Pi to their host in return for photosynthates. The fungal-driven nutrient cycling from mineral weathering plays a pivotal role in ecosystems and crops productivity, as well as geochemical cycles. The aim of the study presented in this thesis is to unravel the molecular mechanisms by which the EM fungus Paxillus involutus weathers the Pi-rich mineral hydroxyapatite (HAP), either non-symbiotically or in symbiosis with its host tree Pinus sylvestris. Development of an artificial system to study P. involutus responses to varying concentration of Pi led to the identification of five high-affinity Pi transporter genes, of which the expression varies in an inversely proportional manner to Pi availability. Using the same system, whole-transcriptomic data from fungal hyphae unravelled the molecular basis of the EMF ability in Pi uptake at the global gene scale, revealing that EM symbiosis can directly affect Pi-responsive fungal genes such as the Pi transporter PiPT4. A second artificial system was used to study HAP solubilisation driven by P. involutus, which was confirmed by EDX spectroscopy data showing depletion of Pi from the HAP crystals, along with secondary minerals formation. Whole-transcriptomic analysis revealed that EM symbiosis induces a different set of HAP weathering genes in P. involutus hyphae, compared to the fungus growing non-symbiotically, including the specific expression of organic acid metabolic genes, which resulted in enhanced HAP solubilisation. Metabolomic analysis led to the identification of multiple secreted metabolites enriched in the presence of HAP in P. involutus systems grown non-symbiotically or in symbiosis with P. sylvestris seedlings. The analysis also led to the identification of putative novel fungal weathering agents. Results from transcriptomic and metabolomic analyses were ultimately combined in a model of HAP weathering by P. involutus.
Ključne besede: Paxillus involutus, Pinus sylvestris, ectomycorrhizal symbiosis, hydroxyapatite, SEM-EDX, fungal mineral weathering, fungal weathering metabolites, RNA-seq, UPLC-Q-TOF-MS
Objavljeno v RUNG: 03.05.2022; Ogledov: 1404; Prenosov: 0
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Features of narrative language in fluent aphasia : tesi sottomessa per il titolo di Philosophiae Doctor
Sara Andreetta, 2014, doktorska disertacija

Ključne besede: aphasia, discourse analysis, language evaluation, dissertations
Objavljeno v RUNG: 18.11.2021; Ogledov: 2139; Prenosov: 0
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