scholarly journals Camouflage Variations on a Theme of the Nymphalid Ground Plan

Author(s):  
Takao K. Suzuki
2013 ◽  
Vol 13 (3) ◽  
pp. 154-180 ◽  
Author(s):  
Carla Maria Penz ◽  
Neda Mohammadi

This study describes and compares the diverse dorsal and ventral wing color patterns of Brassolini butterflies. Thirty-three species are illustrated, where pattern elements of the nymphalid ground plan are labeled in color. In general, a larger number of pattern elements can be identified on the ventral than on the dorsal surface of both wings, and the forewing has a larger number of discernible pattern elements than the hind wing. The dorsal elements are broad, diffuse, and more difficult to identify against the typically brown brassoline wing background color. Species with a light colored dorsal background served as a guide for our proposal that fewer pattern elements are present dorsally, particularly on the hind wing. Colorful bands or markings generally present on the dorsal surface seem to be associated with specific pattern elements and have correspondence to the ventral pattern. We refer to these as trailing bands, and they constitute a predominant feature of the brassoline dorsal coloration. We propose a subordinate groundplan for brassolines and interpret some of the ventral pattern variation in light of their phylogeny. Dorsal color pattern variation that leads to sexual dimorphism and mimetic resemblance are also discussed.


2017 ◽  
Vol 70 (3) ◽  
pp. 697-765
Author(s):  
Alexander Stefaniak

In her contemporaries’ imaginations Clara Schumann transcended aesthetic pitfalls endemic to virtuosity. Scholars have stressed her performance of canonic repertory as a practice through which she established this image. In this study I argue that her concerts of the 1830s and 1840s also staged an elevated form of virtuosity through showpieces that inhabited the flagship genres of popular pianism and that, for contemporary critics, possessed qualities of interiority that allowed them to transcend merely physical or “mechanical” engagement with virtuosity. They include Henselt's études and variation sets, Chopin's “Là ci darem” Variations, op. 2, and Clara's own Romance variée, op. 3, Piano Concerto, op. 7, and Pirate Variations, op. 8. Her 1830s and early 1840s programming offers a window onto a rich intertwining of critical discourse, her own and her peers’ compositions, and her strategies as a pianist-composer. This context reveals that aspirations about elevating virtuosity shaped a broader, more varied field of repertory, compositional strategies, and critical responses than we have recognized. It was a capacious, flexible ideology and category whose discourses pervaded the sheet music market, the stage, and the drawing room and embraced not only a venerated, canonic tradition but also the latest popularly styled virtuosic vehicles. In the final stages of the article I propose that Clara Schumann's 1853 Variations on a Theme by Robert Schumann, op. 20, alludes to her work of the 1830s and 1840s, evoking the range of guises this pianist-composer gave to her virtuosity in what was already a wide-ranging career.


Author(s):  
Eleanor Heisey

Johannes Brahms’s deep engagement with the past contributed to his compositional style in many ways. This article considers Brahms techniques that look back to and expand on those of Renaissance composers, in particular metric conflict and cadences, voice displacement, changes in proportion, rhythmic augmentation and diminution, and the hocket. Examples are taken from Brahms’s Academic Festival Overture, Variations On A Theme By Haydn, Piano Quartet in A Major, and Symphony No. 3 in F Major.


2016 ◽  
Vol 2 (2) ◽  
Author(s):  
Steven Reale

This two-video series explores how the scoring to the video game Portal 2, published by Valve Corporation, not only helps tell the game’s story, but also comments on the game developers’ philosophy of puzzle design. The first video explores how the game’s title theme 9999999, including its texture, voice leadings, and chord qualities, musically enacts dual aspects of the character of the game’s central antagonist GlaDOS: once human, her personality was uploaded into a computer mainframe where she has become a sociopathic, homicidal artificial intelligence who takes delight in subjecting humans to hazardous scientific experimentation. The second video demonstrates that 9999999 serves as the theme for a set of double variations in the game’s middle act. Since Valve’s philosophy of player training centers on iterative puzzle-design that systematically increase in complexity, and the musical accompaniments for these puzzles feature coordinated developments in musical complexity, the scoring here lets us parse the puzzle design into a kind of set of gameplay theme-and-variations.


Modern Drama ◽  
1979 ◽  
Vol 22 (4) ◽  
pp. 375-382
Author(s):  
Richard Foulkes

Author(s):  
Maike Gruchot ◽  
Alastair Litterick ◽  
Gerhard Röhrle

AbstractIn this note, we unify and extend various concepts in the area of G-complete reducibility, where G is a reductive algebraic group. By results of Serre and Bate–Martin–Röhrle, the usual notion of G-complete reducibility can be re-framed as a property of an action of a group on the spherical building of the identity component of G. We show that other variations of this notion, such as relative complete reducibility and $$\sigma $$ σ -complete reducibility, can also be viewed as special cases of this building-theoretic definition, and hence a number of results from these areas are special cases of more general properties.


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