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2021 ◽  
Author(s):  
Adeline Lacroix ◽  
Frédéric Dutheil ◽  
H.N. Alexander Logemann ◽  
Renata Cserjesi ◽  
Carole Peyrin ◽  
...  

Considering the mixed nature of reports of flexibility difficulties in autism, we hypothesized that a task that more closely resembles the challenges faced in real life would help to assess these difficulties. Autistic and typically developing (TD) adults performed an online Emotional Shifting Task (EST), involving non-explicit unpredictable shifts of complex socio-emotional stimuli, and the Task Switching Task (TST), involving explicit predictable shifts of simple character stimuli. Switch cost (i.e., the difference in performance between Shift and Non-Shift conditions) was larger in the autistic group than in the comparison group for the EST but not for the TST. Females responded faster than males in the EST. On the TST, TD males responded faster than TD females, whereas there was a female advantage in the autistic group. Our findings suggest that factors such as predictability, explicitness of the shift rule, stimulus type as well as sex could play a critical role in flexibility difficulties in autism.


2021 ◽  
Vol 4 ◽  
pp. 503-535
Author(s):  
Simon Riche ◽  
Geordie Williamson

Author(s):  
Corinne Blondel ◽  
Geo Kam-Fai Tam

Abstract We compute a special case of base change of certain supercuspidal representations from a ramified unitary group to a general linear group, both defined over a p-adic field of odd residual characteristic. In this special case, we require the given supercuspidal representation to contain a skew maximal simple stratum, and the field datum of this stratum to be of maximal degree, tamely ramified over the base field, and quadratic ramified over its subfield fixed by the Galois involution that defines the unitary group. The base change of this supercuspidal representation is described by a canonical lifting of its underlying simple character, together with the base change of the level-zero component of its inducing cuspidal type, modified by a sign attached to a quadratic Gauss sum defined by the internal structure of the simple character. To obtain this result, we study the reducibility points of a parabolic induction and the corresponding module over the affine Hecke algebra, defined by the covering type over the product of types of the given supercuspidal representation and of a candidate of its base change.


2020 ◽  
Vol 2020 (9) ◽  
Author(s):  
Lorenz Eberhardt ◽  
Tomáš Procházka

Abstract We study the 3-parametric family of vertex operator algebras based on the Grassmannian coset CFT $$ \mathfrak{u} $$ u (M + N )k /($$ \mathfrak{u} $$ u (M )k×$$ \mathfrak{u} $$ u (N )k ). This VOA serves as a basic building block for a large class of cosets and generalizes the $$ {\mathcal{W}}_{\infty } $$ W ∞ algebra. We analyze representations and their characters in detail and find surprisingly simple character formulas for the representations in the generic parameter regime that admit an elegant combinatorial formulation. We also discuss truncations of the algebra and give a conjectural formula for the complete set of truncation curves. We develop a theory of gluing for these algebras in order to build more complicated coset and non-coset algebras. We demonstrate the power of this technology with some examples and show in particular that the $$ \mathcal{N} $$ N = 2 supersymmetric Grassmannian can be obtained by gluing three bosonic Grassmannian algebras in a loop. We finally speculate about the tantalizing possibility that this algebra is a specialization of an even larger 4-parametric family of algebras exhibiting pentality symmetry. Specializations of this conjectural family should include both the unitary Grassmannian family as well as the Lagrangian Grassmannian family of VOAs which interpolates between the unitary and the orthosymplectic cosets.


2019 ◽  
Vol 155 (10) ◽  
pp. 1959-2038
Author(s):  
Colin J. Bushnell ◽  
Guy Henniart

Let $F$ be a non-Archimedean locally compact field of residual characteristic $p$ with Weil group ${\mathcal{W}}_{F}$. Let $\unicode[STIX]{x1D70E}$ be an irreducible smooth complex representation of ${\mathcal{W}}_{F}$, realized as the Langlands parameter of an irreducible cuspidal representation $\unicode[STIX]{x1D70B}$ of a general linear group over $F$. In an earlier paper we showed that the ramification structure of $\unicode[STIX]{x1D70E}$ is determined by the fine structure of the endo-class $\unicode[STIX]{x1D6E9}$ of the simple character contained in $\unicode[STIX]{x1D70B}$, in the sense of Bushnell and Kutzko. The connection is made via the Herbrand function $\unicode[STIX]{x1D6F9}_{\unicode[STIX]{x1D6E9}}$ of $\unicode[STIX]{x1D6E9}$. In this paper we concentrate on the fundamental Carayol case in which $\unicode[STIX]{x1D70E}$ is totally wildly ramified with Swan exponent not divisible by $p$. We show that, for such $\unicode[STIX]{x1D70E}$, the associated Herbrand function satisfies a certain functional equation, and that this property essentially characterizes this class of representations. We calculate $\unicode[STIX]{x1D6F9}_{\unicode[STIX]{x1D6E9}}$ explicitly, in terms of a classical Herbrand function arising naturally from the classification of simple characters. We describe exactly the class of functions arising as Herbrand functions $\unicode[STIX]{x1D6F9}_{\unicode[STIX]{x1D6EF}}$, as $\unicode[STIX]{x1D6EF}$ varies over the set of totally wild endo-classes of Carayol type. In a separate argument, we derive a complete description of the restriction of $\unicode[STIX]{x1D70E}$ to any ramification subgroup and hence a detailed interpretation of the Herbrand function. This gives concrete information concerning the Langlands correspondence.


2019 ◽  
Vol 5 (2) ◽  
pp. 091-106
Author(s):  
Ari Bakkas Pratama ◽  
Mahendradewa Suminto ◽  
Andri Nur Patrio

Animated movie “Jack The Chicken” tells story about a chicken named Jack that bored and ungrateful with anything that are given by his master. This animation tells the audiences about being grateful for everything they’ve got. This animation video has three minutes duration with simple character design. This animated movie setting and scenes are largely supported by its background and backsound because it has no dialogues. This movie was made with 2D technique where most of the creation processes were done digitally. These digital processes were done to make the works easier and shorten the duration of the works. Manual work progress also had been done especially on early stages of creation e.g. idea developing and character design.


2019 ◽  
Vol 121 (6) ◽  
pp. 1-38 ◽  
Author(s):  
Lauren Anderson

Background/Context This article offers an analysis of the contemporary policy context surrounding teacher education in the United States. It lays out recent policy shifts that have come to frame the field, particularly university-based teacher preparation as “broken,” and to fuel forward certain strands of disruptive innovation. Purpose/Objective The article's aim is to prompt consideration of how teacher educators are navigating and might navigate, on their own and together, the tentacles of neoliberalism climbing from K–12 into teacher education. Specifically, it explores the outsize influence of pro-privatization entities and teacher educators who have partnered with them, and it raises questions about the compromised positions that the enduring structures of racial capitalism and the neo-liberal turn in education policy seemingly extend to teacher educators in these times. Conclusions/Recommendations The article closes by arguing that even well-meaning teacher educators can end up ensnared in destructive reform, and for reasons far more complicated than simple character flaw, carelessness, or collusion. Thus, while teacher education needs “transformers,” it needs for them to be conscious, careful, and accountable when it comes to the structures of racial capitalism and the (neoliberal) web into which present-day privatizing interests would like to see them profitably woven.


10.29007/cxtl ◽  
2019 ◽  
Author(s):  
Oksana Dereza

Lemmatisation, which is one of the most important stages of text preprocessing, consists in grouping the inflected forms of a word together so they can be analysed as a single item, identified by the word’s lemma, or dictionary form. It is not a very complicated task for languages such as English, where a paradigm consists of a few forms close in spelling; but when it comes to morphologically rich languages, such as Russian, Hungarian or Irish, lemmatisation becomes more challenging. However, this task is often considered solved for most resource-rich modern languages irregardless of their morphological type. The situation is dramatically different for ancient languages characterised not only by a rich inflectional system, but also by a high level of orthographic variation, and, what is more important, a very little amount of available data. These factors make automatic morphological analysis of historical language data an underrepresented field in comparison to other NLP tasks. This work describes a case of creating an Early Irish lemmatiser with a character-level sequence-to-sequence learning method that proves efficient to overcome data scarcity. A simple character-level sequence-to-sequence model trained during 34,000 iterations reached the accuracy score of 99.2 % for known words and 64.9 % for unknown words on a rather small corpus of 83,155 samples. It outperforms both the baseline and the rule-based model described in [21] and [76] and meets the results of other systems working with historical data.


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