Symmetry in art and architecture of the Western Islamic world

Thalal, Abdelmalek; Aboufadil, Youssef; Raghni, My Ahmed Elidrissi; Jali, Abdelaziz; Oueriagli, A.; Ait, K.

doi:10.1080/0889311x.2017.1343306

Cited by 11 publications

(8 citation statements)

References 15 publications

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Section: Space and Point Groups Supporting Chemical Chiralitymentioning

confidence: 99%

“…Example of achiral (left) and chiral (right) old Islamic tiles, whose design and further combination to complex mosaics was made with the mathematical knowledge of the 2D plane and point groups (refs − ). Adapted with permission from ref .…”

Section: Space and Point Groups Supporting Chemical Chiralitymentioning

confidence: 99%

“…The topic is of archeological interest because of the development of wall repetitive patterns, starting in the Neolithic and then continuing through the relationship between different cultures until nowadays in the applied arts (the so-called wallpaper figures). It is even of interest for the history of science because it shows the achievements in Euclidian geometry in Islamic culture (Figure 15): 268 for example, all 2D point groups ( 12) and plane groups (17) have been found in Granada's Alhambra mosaics. 269,270 Despite the fascination of the regular patterns observed in planar nano-and microstructures as originated, for example, by epitaxial deposition, the discussion on the 2D symmetry of enantiomorphic chemical planar structures is inappropriate because any molecular structure always has a finite extension, admittedly small, in three-dimensional space and, obviously, that is also the case for molecular monolayers.…”

Section: Chirality At Surfaces: 2d and 1d Chirality?mentioning

confidence: 99%

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Spontaneous Deracemizations

et al. 2021

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Spontaneous deracemizations is a challenging, multidisciplinary subject in current chirality research. In the absence of any chiral inductors, an achiral substance or a racemic composition is driven into an enantioenriched or even homochiral state through a selective energy input, e.g., chemical potential, photoirradiation, mechanical grinding, ultrasound waves, thermal gradients, etc. The most prominent examples of such transformations are the Soai reaction and the Viedma deracemization. In this review, we track the most recent developments in this topic and recall that many other deracemizations have been reported for solutions from mesophases to conglomerate crystallizations. A compiled set of simply available achiral organic, inorganic, organometallic, and MOF compounds, yielding conglomerate crystals, should give the impetus to realize new experiments on spontaneous deracemizations. Taking into account thermodynamic constraints, modeling efforts have shown that structural features alone are not sufficient to describe spontaneous deracemizations. As a guideline of this review, particular attention is paid to the physicochemical origin and symmetry requirements of such processes.

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Section: Space and Point Groups Supporting Chemical Chiralitymentioning

confidence: 99%

Section: Space and Point Groups Supporting Chemical Chiralitymentioning

confidence: 99%

Section: Chirality At Surfaces: 2d and 1d Chirality?mentioning

confidence: 99%

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Spontaneous Deracemizations

et al. 2021

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“…Concepts from elsewhere then bring further texture to notions of harmony. In Greek, for instance, summetría —borrowed in English, via French, as symmetry—broadly covers agreement and proportionality between the parts and the whole, qualities that have long been associated with artistic forms across many cultures (Thalal et al, 2018). We also find terms specifically overlayed with positive connotations, such as reiwa in Japanese—implying beautiful, auspicious, orderly harmony, and peace—which was selected in 2019 as the name for the current era in Japan.…”

Section: Resultsmentioning

confidence: 99%

The appeal of aesthetics: A cross-cultural lexical analysis.

Lomas¹

2023

Psychology of Aesthetics, Creativity, and the Arts

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Art and aesthetics have long been understood as central to human well-being and flourishing. However, the academic study of these phenomena has been critiqued for its Western-centricity and general lack of cross-cultural engagement. As such, this article aims to broaden our appreciation of the contours of aesthetics by engaging with relevant “untranslatable” words (i.e., without an exact equivalent in English), thereby enriching our conceptual map of this arena. Over 300 relevant terms from 24 languages were located and analyzed using grounded theory. Four main metathemes were identified, each with several themes: stimuli (spanning the sensory modalities of sight, sound, taste, smell, touch, and the mind), qualities (harmony, naturalness, simplicity, prettiness, and shock), dynamics (appreciation, understanding, and inspiration), and modes (modalities, movements, and techniques). The article therefore adds to our understanding of this vital arena of human well-being and flourishing, though, as ever, further work is needed.

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“…Other symmetries exist but are very rare. Thalal et al (2017) studied the frequency of the rosettes existing in Moroccan geometric patterns. They used a picture gallery that contains more than 1000 motifs found by the authors in different historical and private buildings in the imperial cities of Morocco.…”

Section: Introductionmentioning

confidence: 99%

Varieties of 12-fold rosettes and their applications in Moroccan geometric ornament

et al. 2019

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This work is devoted to the study of the 12‐fold rosettes frequently encountered in Islamic art, especially in Moroccan ornamentation. Several types of 12‐fold rosettes are described according to the geometric shape of their petals. They have a large number of variants and offer the possibility of building new, previously unknown rosettes, while respecting the construction method Hasba used by master craftsmen. Artisans developed a technique for combining different types of 12‐fold rosettes to construct infinite periodic tiling belonging to the 17 crystallographic groups. This technique enabled them to diversify the repeated patterns based on 12‐fold rosettes. An analysis of their tiling suggests a method based on elementary geometry to build new patterns with different types of 12‐fold overlapped rosettes and their variants. A procedure based on combination of the distances between two overlapped rosettes is then proposed, which enables generation of new periodic and quasiperiodic patterns.

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Symmetry in art and architecture of the Western Islamic world

Cited by 11 publications

References 15 publications

Spontaneous Deracemizations

Spontaneous Deracemizations

The appeal of aesthetics: A cross-cultural lexical analysis.

Varieties of 12-fold rosettes and their applications in Moroccan geometric ornament

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