‘Contemporary Classicism’ Copy of a Copy: Appropriating Classical Statues as Conceptual Readymades

Conceptual readymades – a contemporary artist’s use of a classical work selected as a key point of reference taken out of time – have developed in recent years as part of contemporary art’s appropriation of Greco-Roman statuary. This investigation argues that a contemporary artist’s use of the classical does not represent ‘copies’ but cultural readymades. Contemporary digital and sculptural work foregrounding the classical sheds light on the parallel phenomenon whereby Roman re-interpretations of Greek sculpture may have been equivalent to contemporary classicism. Contemporary case studies featuring digital media, generative art, and sculpture are approached both from the perspective of what they can reveal about contemporary art’s use of the classical and what contemporary art’s use of classical sculpture can suggest about Roman reinterpretations as cultural readymades. Remade as part of contemporary art, classical sculpture is uniquely positioned as an accessible point of reference with which to comment on our own time by concurrently reframing the past.

Which rational double points occur on del Pezzo surfaces?

We determine all configurations of rational double points that occur on RDP del Pezzo surfaces of arbitrary degree and Picard rank over an algebraically closed field $k$ of arbitrary characteristic ${\rm char}(k)=p \geq 0$, generalizing classical work of Du Val to positive characteristic. Moreover, we give simplified equations for all RDP del Pezzo surfaces of degree $1$ containing non-taut rational double points.

The Spirit of Democracy

How does one revitalize democracy in times of crisis? Democracy is today challenged by populism and elitism, as well as by the resurgence of new forms of authoritarianism. The Spirit of Democracy: Corruption, Disintegration, Renewal shows that while we have good reasons to worry about the corruption of democratic practices and ideals, these worries are often attributable to questionable assumptions about what democracy is. Drawing on Montesquieu’s classical work on the spirit of laws, the book sets out to reconceive the ways in which we understand and conceptualize modern democracy: from sovereignty to spirit. According to Montesquieu, different political forms are animated and sustained by different spirits: a republic by virtue, a monarchy by honor, and a despotic form by fear. This book argues that modern democracy is a sui generis political form animated and sustained by a spirit of emancipation. The removal of divine, natural, and historical authorities in political affairs unleashes a fundamental uncertainty about the purpose and direction of society. In a democracy, we respond to that uncertainty by sharing and dividing it equally. It emancipates us from a state of self-incurred tutelage. Based on this argument, the book develops a new theoretical framework for studying the corruption, disintegration, and renewal of democracy: what it is, how it begins, and where in society it plays out.

A Cryptochrome adopts distinct moon- and sunlight states and functions as moonlight interpreter in monthly oscillator entrainment

Measuring time by the moon's monthly cycles is a wide-spread phenomenon and crucial for successful reproduction in countless marine organisms. In several species, such as the mass-spawning bristle worm Platynereis dumerilii, an endogenous monthly oscillator synchronizes reproduction to specific days. Classical work showed that this oscillator is set by full moon. But how do organisms recognize this specific moon phase? We uncover L-Cry's involvement: photoreduction and recovery kinetics of its co-factor FAD differ strongly when purified L-Cry is exposed to naturalistic moonlight, naturalistic sunlight, or their different successions. L-Cry's sun- versus moonlight states correlate with distinct sub-cellular localizations, indicating differential signalling. These properties enable a discrimination between sun- and moonlight, as well as moonlight duration as a moon phase indicator. Consistently, l-cry mutants re-entrain their circalunar phase less well than wild-type to naturalistic moonlight. But under artificially strong nocturnal light, l-cry mutants re-entrain faster than wildtype, suggesting that L-Cry at least partly blocks "wrong" light from impacting on this oscillator. Our work provides a new level of functional understanding of moon-regulated biological processes.

From Purāṇic to Folk: the ‘Kirātārjunīyam Ballade’ and Visuals

The present article aims to examine a folk literary motif from the ‘Kirātārjunīyam’. Kirāta (hunter-Śiva) and Arjuna once needed to clash with each other during the forest life of the Pāṇḍavas. Arjuna wanted to obtain the coveted pāśupatāstra from Śiva that could only be awarded to a soldier of mettle to wield the missile efficiently. Arjuna undertook hazardous tapas pleased with which Śiva tested Arjuna and finally awarded the astra. This myth appears in the Mahābhārata dated sometime in the fifth century BCE and its folk origin may get back to the immoral past. This story was retold in a classical work by the poet Sanskrit Bhāravi in eighteen cantos. The article examines a key motif relating to the Penance of Arjuna (cf. the Māmallapuram bas relief) from the Kirātārjunīyam episode, called pañcāgnitapas and how the Penance of Arjuna is retold in the ballad understudy? Several folk motifs of kuṟavaṉ-kuṟatti of Kuṟṟālakkuṟavañci are illustrated in a later phase of the art in Tamilnadu (e.g., the Thousand-Pillared Hall of the Great Maturai Temple of the Nāyaka period). Kirātārjunīyam was a popular motif in sculptural art though the ages.

Homotopy of gauge groups over high-dimensional manifolds

The homotopy theory of gauge groups has received considerable attention in recent decades. In this work, we study the homotopy theory of gauge groups over some high-dimensional manifolds. To be more specific, we study gauge groups of bundles over (n − 1)-connected closed 2n-manifolds, the classification of which was determined by Wall and Freedman in the combinatorial category. We also investigate the gauge groups of the total manifolds of sphere bundles based on the classical work of James and Whitehead. Furthermore, other types of 2n-manifolds are also considered. In all the cases, we show various homotopy decompositions of gauge groups. The methods are combinations of manifold topology and various techniques in homotopy theory.

From Diversity Ideologies to the Expression of Stereotypes: Insights Into the Cognitive Regulation of Prejudice Within the Cultural-Ecological Context of French Laïcité

This theoretical paper examines the context-sensitivity of the impact of cultural norms on prejudice regulation. Granting the importance of understanding intergroup dynamics in cultural-ecological contexts, we focus on the peculiarities of the French diversity approach. Indeed, the major cultural norm, the Laïcité (i.e., French secularism) is declined today in two main variants: The Historic Laïcité, a longstanding egalitarian norm coexisting with its amended form: The New Laïcité, an assimilationist norm. In fact, these co-encapsulated Laïcité variants constitute a fruitful ground to cast light on the processes underlying prejudice regulation. Indeed, it is documented that the assimilationist New Laïcité is linked to higher levels of prejudice as compared to the egalitarian Historic Laïcité. To this day, research mainly explored interindividual determinants of Laïcité endorsements and specified how these endorsements shape prejudice. Crucially, this “indirect-endorsement path” does not account for the more straightforward causal relationship between Laïcité and prejudice. Moreover, recent experimental evidence suggests that the normative salience of both Laïcité norms shape intergroup attitudes beyond personal endorsement. Therefore, in this contribution, we complement previous work by investigating the possible socio-cognitive processes driving this “direct-contextual path.” In doing so, we seek to bridge the gap of causality by investigating how the Laïcité norms can set the stage for specific regulatory strategies. Our reasoning derives from an application of the Justification-Suppression Model bolstered by classical work on mental control, modern racism and diversity ideology. From this, we sketch out the operative functioning of two distinct regulation processes: (a) one that prevents prejudicial attitudes but which can have unexpected consequences on stereotyping within the Historic Laïcité context (i.e., suppression) and (b) one that helps realize prejudice within the New Laïcité context (i.e., justification). From this analysis, we discuss the consequences for intergroup relations within and beyond the French context. In particular, we outline the importance of an adequate framing of egalitarian ideologies so that they achieve their goal to foster harmonious intergroup relations.

A Maximal Understanding of Sacrifice: Bataille, Richard Wagner, Pilgrimage and the Bayreuth Festival

This paper calls for a broad conception of sacrifice to be developed as a resource for cultural sociology. It argues the term was framed too narrowly in the classical work of Hubert and Mauss. The later approach of Bataille permits a maximal understanding of sacrifice as non-utilitarian expenditures of money, energy, passion and effort directed towards the experience of transcendence. From this perspective, pilgrimage can be understood as a specific modality of sacrificial activity. This paper applies this understanding of sacrifice and pilgrimage to the annual Bayreuth “Wagner” Festival in Germany. Drawing on a multi-year mixed-methods study involving ethnography, semi-structured interviews and historical research, the article traces sacrificial expenditures at the level of individual festival attendees. These include financial costs, arduous travel, dedicated research of the artworks, and disciplines of the body. Some are lucky enough to experience transcendence in the form of deep emotional experience, and a sense of contact with sacred spaces and forces. Our study is intended as an exemplary paradigm case that can be drawn upon analogically by scholars. We suggest that other aspects of social experience, including many that are more ‘everyday’, can be understood through a maximal model of sacrifice and that a rigorous, wider comparative sociology could be developed using this tool.

The fundamental group, rational connectedness and the positivity of Kähler manifolds

Firstly, we confirm a conjecture asserting that any compact Kähler manifold N with {\operatorname{Ric}^{\perp}>0} must be simply-connected by applying a new viscosity consideration to Whitney’s comass of {(p,0)}-forms. Secondly we prove the projectivity and the rational connectedness of a Kähler manifold of complex dimension n under the condition {\operatorname{Ric}_{k}>0} (for some {k\in\{1,\dots,n\}}, with {\operatorname{Ric}_{n}} being the Ricci curvature), generalizing a well-known result of Campana, and independently of Kollár, Miyaoka and Mori, for the Fano manifolds. The proof utilizes both the above comass consideration and a second variation consideration of [L. Ni and F. Zheng, Positivity and Kodaira embedding theorem, preprint 2020, https://arxiv.org/abs/1804.09696]. Thirdly, motivated by {\operatorname{Ric}^{\perp}} and the classical work of Calabi and Vesentini [E. Calabi and E. Vesentini, On compact, locally symmetric Kähler manifolds, Ann. of Math. (2) 71 1960, 472–507], we propose two new curvature notions. The cohomology vanishing {H^{q}(N,T^{\prime}N)=\{0\}} for any {1\leq q\leq n} and a deformation rigidity result are obtained under these new curvature conditions. In particular, they are verified for all classical Kähler C-spaces with {b_{2}=1}. The new conditions provide viable candidates for a curvature characterization of homogeneous Kähler manifolds related to a generalized Hartshone conjecture.

Non-torsion non-algebraic classes in the Brown–Peterson tower

Generalising the classical work of Atiyah and Hirzebruch on non-algebraic classes, recently Quick proved the existence of torsion non-algebraic elements in the Brown–Peterson tower. We construct non-torsion non-algebraic elements in the Brown–Peterson tower for the prime number 2.