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Umweltdaten aus Brandenburg
(2006)
We present an approach to generate (multivariate) twin surrogates (TS) based on recurrence properties. This technique generates surrogates which correspond to an independent copy of the underlying system, i. e. they induce a trajectory of the underlying system starting at different initial conditions. We show that these surrogates are well suited to test for complex synchronisation and exemplify this for the paradigmatic system of R¨ossler oscillators. The proposed test enables to assess the statistical relevance of a synchronisation analysis from passive experiments which are typical in natural systems.
Reading requires the orchestration of visual, attentional, language-related, and oculomotor processing constraints. This study replicates previous effects of frequency, predictability, and length of fixated words on fixation durations in natural reading and demonstrates new effects of these variables related to previous and next words. Results are based on fixation durations recorded from 222 persons, each reading 144 sentences. Such evidence for distributed processing of words across fixation durations challenges psycholinguistic immediacy-of-processing and eye-mind assumptions. Most of the time the mind processes several words in parallel at different perceptual and cognitive levels. Eye movements can help to unravel these processes.
When the eyes fixate at a point in a visual scene, small saccades rapidly shift the image on the retina. The effect of these microsaccades on the latency of subsequent large-scale saccades may be twofold. First, microsaccades are associated with an enhancement of visual perception. Their occurrence during saccade target perception should, thus, decrease saccade latencies. On the other hand, microsaccades likely indicate activity in fixation-related oculomotor neurons. These represent competitors to saccade-related cells in the interplay of gaze holding and shifting. Consequently, an increase in saccade latencies after microsaccades would be expected. Here, we present evidence for both aspects of microsaccadic impact on saccade latency. In a delayed response task, participants made saccades to visible or memorized targets. First, microsaccade occurrence up to 50 ms before target disappearance correlated with 18 ms (or 8%) faster saccades to memorized targets. Second, if microsaccades occurred shortly (i.e., < 150 ms) before a saccade was required, saccadic reaction times in visual and memory trials were increased by about 40 ms (or 16%). Hence, microsaccades can have opposite consequences for saccade latencies, pointing at a differential role of these fixational eye movements in preparation of motor programs.
In this paper we present an approach to recover the dynamics from recurrences of a system and then generate (multivariate) twin surrogate (TS) trajectories. In contrast to other approaches, such as the linear-like surrogates, this technique produces surrogates which correspond to an independent copy of the underlying system, i. e. they induce a trajectory of the underlying system visiting the attractor in a different way. We show that these surrogates are well suited to test for complex synchronization, which makes it possible to systematically assess the reliability of synchronization analyses. We then apply the TS to study binocular fixational movements and find strong indications that the fixational movements of the left and right eye are phase synchronized. This result indicates that there might be one centre only in the brain that produces the fixational movements in both eyes or a close link between two centres.
"lebensformen+lebenswissen"
(2006)
rezensiertes Werk: Lein, Yehezkel ; Cohen-Lifshitz, Alon: Under the guise of security. Routing the Separation Barrier to Enable the Expansion of Israeli Settlements in the West Bank. - BIMKOM (Planners for Planning Rights) ; B'Tselem (The Israeli Information Center for Human Rights in the Occupied Territories), 2005. ISSN 0793-S20X.
The accelerated life time model is considered. First, test procedures for testing the parameter of a parametric acceleration function is investigated; this is done under the assumption of parametric and nonparametric baseline distribution. Further, based on nonparametric estimators for regression functions tests are proposed for checking whether a parametric acceleration function is appropriate to model the influence of the covariates. Resampling procedures are discussed for the realization of these methods. Simulations complete the considerations.
We consider the problem of testing whether the density of a mul- tivariate random variable can be expressed by a prespecified copula function and the marginal densities. The proposed test procedure is based on the asymptotic normality of the properly standardized integrated squared distance between a multivariate kernel density estimator and an estimator of its expectation under the hypothesis. The test of independence is a special case of this approach.
Forum: EU-Diplomatie im Jahre 2020
Forum: EU-Diplomatie im Jahre 2020
Forum: EU-Diplomatie im Jahre 2020
Prolog (zum Forum)
(2006)
Die EU ist überdehnt. Drei verschiedene, koexistierende Europavisionen erklären den derzeitigen Strategiemangel: Das pragmatische Europa ist nicht transparent, das grenzenlose Europa fördert Ängste unkontrollierbarer Veränderungen, und das Identitäs- Europa befindet sich in einer Sinnkrise. Antwort bieten mehrere Strategien: Ein Transfer einzelner Elemente der europäischen Verfassung in einen Europavertrag; Orientierung an einem differenzierten Europa und Bildung von Koalitionen, um Europa zu führen.
Editorial
(2006)
Soil seed banks near rubbing trees indicate dispersal of plant species into forests by wild boar
(2006)
Current knowledge about processes that generate long-distance dispersal of plants is still limited despite its importance for persistence of populations and colonization of new potential habitats. Today wild large mammals are presumed to be important vectors for long-distance transport of diaspores within and between European temperate forest patches, and in particular wild boars recently came into focus. Here we use a specific habit of wild boar, i.e. wallowing in mud and subsequent rubbing against trees, to evaluate epizoic dispersal of vascular plant diaspores. We present soil seed bank data from 27 rubbing trees versus 27 control trees from seven forest areas in Germany. The mean number of viable seeds and the plant species number were higher in soil samples near rubbing trees compared with control trees. Ten of the 20 most frequent species were more frequent, and many species exclusively appeared in the soil samples near rubbing trees. The large number of plant species and seeds – approximated > 1000 per tree – in the soils near rubbing trees is difficult to explain unless the majority were dispersed by wild boar. Hooked and bristly diaspores, i.e. those adapted to epizoochory, were more frequent, above that many species with unspecialised diaspores occurred exclusively near rubbing trees. Different to plant species closely tied to forest species which occur both in forest and open vegetation, and non-forest species were more frequent near rubbing trees compared with controls. These findings are consistent with previous studies on diaspore loads in the coats and hooves of shot wild boars. However, our method allows to identify the transport of diaspores from the open landscape into forest stands where they might especially emerge after disturbance, and a clustered distribution of epizoochorically dispersed seeds. Moreover, accumulation of seeds of wetness indicators near rubbing trees demonstrates directed dispersal of plant species inhabiting wet places between remote wallows.
Content: 1. Introduction 2. Getting to the Seen from the Unseen 2.1. The Theory of the Zones 2.2. Brief Comments on Mechanism 3. The Areal Evidence: Shared Features and Their Dialectal Provenance 4. Explaining the Evidence Seen 4.1. Why It Is Not Due to Mere Misleading Coincidence 4.2. Why It Is Not Due to French Influence 4.3. Why It Is Not Due to Norse Influence 4.4. Why It Is Not Due to English Influence over Brittonic 4.5. Why It Is Due to Brittonic Influence 5. Conclusion 5.1. The Areal Pattern and Its Explanation 5.2. Substrate versus Superstrate 5.3. Some Final Arguments, and Good Questions 6. Addenda
Content: 1. Preverbal Composition in Old Irish and Old English 2. The Shape of the Modern Irish Verbal Lexeme 3. Particle Verbs in Irish and English 3.1. Definitions: Phrasal Verb or Prepositional Verb? 3.2. Examples 3.3. Obvious Similarities 3.4. Irish English Peculiarities 4. The Abolition of Verbal Composition in Irish and English – Parallels and Differences in Historical Syntax 5. Conclusions
Content: 1. Introduction 2. Early Examples of the AFP in Hiberno-English 3. Assessments of the Evidence 4. Attempts to Explain the Early HE Construction 5. Distribution and Function of the AFP in EMI and HE 5.1. The AFP with the Future Tense in Irish 5.2. The AFP with the Secondary Future or Conditional 5.3. The AFP with the Subjunctive 5.5. Functions of the AFP in Early Modern Irish and HE 6. The Restriction of the AFP to the Recent Perfect 7. Conclusions
Content: 1. Perfect to Preterite? 2. A Past Grammaticalisation Path for Be after V-ing 2.1. Perfect Grams and Sources 2.2. Perfect Distinctions and Perfect-Preterite Evolution 3. Semantic History of Past-Time Be After V-ing 3.1. Perfect Uses, 1670-1800 3.2. Perfect Uses, 1801-2000 4. Temporal Adverbials and Uses of Be After V-ing, 1701-2000 4.1. Hodiernal Uses 4.2. Preterite Uses 4.3. How Far Is It after Coming? 5. Conclusion
Irish standard English
(2006)
What’s in an irish name?
(2006)
Content: 1. Introduction: The Irish Patronymic System Prior to 1600 2. Anglicisation Pressure 3. Anglicisation: 1600-1900 3.1. Phonetic Approximation 3.2. Simplification 3.3. Translation 3.4. Mistranslation 3.5. Equivalence with Existing English Surname 3.6. Multiplicity of Anglicised Forms 3.7. Anglicisation of Prefixes 4. The Call to De-Anglicise 5. Current Personal Naming Patterns in Ireland 5.1. Current Modern Irish 6. Traditional Naming: “X (Son/Daughter) of Y (Son/Daughter) of Z” 7. Nicknames 8. Conclusion
Content: 1. Objectives 2. Sociohistorical Background 2.1. The Cornish 2.2. The Welsh 2.3. The Bretons 3. Characteristics of the Brythonic Naming System 3.1. Type 1 Names: Patronymic Lineage 3.2. Type 2 Names: Geographic Origin or Place of Residence 3.3. Type 3 Names: Occupational Activities (Generally Linked to Peasantry) 3.4. Type 4 Names: Physical Characteristics, Moral Flaws 3.5. Type 5 Names: Epithets Relating to Character, Titles of Nobility, etc. 3.6. Epithets Containing References to Victory, War, Warriors, Weapons 3.7. Epithets Containing References to Courage, Strength, Impetuousness and War-like Animals 3.8. Epithets Containing References to Honorific Titles, Noble Lineage, Social Status and Aristocratic Values 4. Summary
What is "Celtic"and what is universal in the "Celtic Englishes"? This was the central concern of the fourth and final Colloquium of studies on language contact between English and the Celtic languages at the University of Potsdam in September 2004. The contributions to this volume discuss the "Celtic" peculiarities of Standard English in England and in Ireland (North and South). They also examine the perceived "Celticity" of personal names in the "Celtic" countries (Ireland, Wales, Cornwall, Brittany). Moreover, they put emphasis on specific grammatical features such as the expression of perfectivity, relativity, intensification and the typological shift of verbal word formation from syntheticity to analycity as well as the emergence of universal contact trends shared by Celtic, African and Indian Englishes. Thus, the choice of contributors and the scope of their articles makes Celtic Englishes IV an invaluable handbook for scholarly work in the field of the English - Celtic relations.
rezensiertes Werk: Weihnukka : Geschichten von Weihnachten und Chanukka ; [Ausstellung Weihnukka, Geschichten von Weihnachten und Chanukka. Eine Ausstellung des Jüdischen Museums Berlin , 28. Oktober 2005 - 29. Januar 2006] / Jüdisches Museum Berlin. [Konzeptentwicklung: Cilly Kugelmann ...]. - Berlin : Nicolai, 2005. - 129 S. ISBN 3-89479-286-8