Orbits of crystallographic embedding of non-crystallographic groups and applications to virology

The architecture of infinite structures with non-crystallographic symmetries can be modelled via aperiodic tilings, but a systematic construction method for finite structures with non-crystallographic symmetry at different radial levels is still lacking. This paper presents a group theoretical method for the construction of finite nested point sets with non-crystallographic symmetry. Akin to the construction of quasicrystals, a non-crystallographic group G is embedded into the point group of a higher-dimensional lattice and the chains of all G-containing subgroups are constructed. The orbits of lattice points under such subgroups are determined, and it is shown that their projection into a lower-dimensional G-invariant subspace consists of nested point sets with G-symmetry at each radial level. The number of different radial levels is bounded by the index of G in the subgroup of . In the case of icosahedral symmetry, all subgroup chains are determined explicitly and it is illustrated that these point sets in projection provide blueprints that approximate the organization of simple viral capsids, encoding information on the structural organization of capsid proteins and the genomic material collectively, based on two case studies. Contrary to the affine extensions previously introduced, these orbits endow virus architecture with an underlying finite group structure, which lends itself better to the modelling of dynamic properties than its infinite-dimensional counterpart

Perturbed geodesics on the moduli space of flat connections and Yang-Mills theory

If we consider the moduli space of flat connections of a non trivial principal SO(3)-bundle over a surface, then we can define a map from the set of perturbed closed geodesics, below a given energy level, into families of perturbed Yang-Mills connections depending on a parameter $${\varepsilon}$$ . In this paper we show that this map is a bijection and maps perturbed geodesics into perturbed Yang-Mills connections with the same Morse inde

KAMPANYE BAHAYA NARKOTIKA DI BALI MELALUI DESAIN MEDIA KOMUNIKASI VISUAL

Abstrak Narkotika adalah zat atau obat yang berasal dari tanaman atau bukan tanaman baik sintesis maupun semi sintetis yang akan menyebabkan perubahan kesadaran, mengurangi hingga menghilangkan rasa sakit dan dapat menimbulkan ketergantungan (adiksi). Dampak negatif yang dapat ditimbulkan narkotika adalah Desperan, Stimulan, Halusinogen. Data BNN mengenai tindak pidana narkoba di Bali dari tahun 2007 hingga 2011 menunjukkan sudah ada 3.719 kasus penyalah gunaan Narkotika. Badan Narkotika Nasional ( BNN ) adalah Lembaga Pemerintah yang dikhususkan undang – undang dalam melaksanakan pemberantasan dan penyalahgunaan dan peredaran gelap Narkotika. Badan Narkotika Nasional Provinsi Bali memiliki visi : Bersama mewujudkan “ Indonesia Bebas Narkoba” , dan memiliki misi : melakukan pencegahan dan pemberantasan penyalahgunaan dan peredaran gelap narkoba secara komprehensif dan sinergis. Oleh karena itu di galangkan Kampanye Bahaya Narkotika sehingga perlu di buat desain media komunikasi. Desain ini bertujuan untuk memperoleh media komunikasi visual yang efektif, komunikatif dan sesuai kriteria desain untuk melengkapi kegiatan kampanye. Melalui metode penelitian, Data-data yang diperoleh dari hasil observasi, wawancara, kepustakaan dan dokumentasi di BNN provinsi Bali disesuaikan kembali dengan strategi promosi. Teori yang digunakan dalam studi ini adalah teori psikologi komunikasi dan Psiklogi remaja. Kemudian diolah melalui analisis deskriptif kualitatif dan sintesa sehingga diperoleh konsep dasar desain. Semangat Kebebasan” merupakan konsep dasar yang relevan digunakan pada proses desain komunikasi visual untuk promosi Kampanye Bahaya Narkotika ini. Konsep tersebut sesuai dengan target audiancenya yaitu remaja, dimana remaja sering sekali menjadi korban penyalahgunn Narkotika. Dalam proses desain, telah ditentukan media yang tepat dan sesuai yaitu Folder, Media Interaktif, Poster, Leaflet, Flyer, X – Banner, Paper bag, T- shirt, Stiker dan katalog. Kata Kunci : desain, media komunikasi visual, BNN provinsi Bali semangat kebebasan. Narcotics are substances or drugs derived from plants or no plants either synthetic or semi-synthetic which will cause changes in consciousness, reducing to relieve pain and can lead to dependence (addiction). The negative impact that can be caused is Desperan narcotics, stimulants, Hallucinogens. BNN’ s data on drug offenses in Bali from 2007 to 2011 shows that existing 3719 cases of abuse of Narcotics. National Narcotics Agency (BNN) is a government agency that is devoted Act - legislation to implement eradication and abuse and illicit narcotics. National Narcotics Agency Bali has a vision: Together realize the "Drug-Free Indonesia", and has a mission: to prevent and combat drug abuse and illicit trafficking in a comprehensive and synergistic. It is therefore in danger of Narcotics Campaign Dock so need to create a design of communication media. The design aims to obtain effective visual communication media, communicative and appropriate design criteria to complement the campaign. Through the research methods, data obtained from the observations, interviews, literature and documentation in the BNN province of Bali adjusted returns with promotion strategies. The theory used in this study is the theory of the psychology of communication and adolescent Psiklogi. Then processed through a qualitative descriptive analysis and synthesis to obtain the basic design concept. The spirit of Freedom "is the basic concept used in the design process relevant visual communication for Narcotics Hazard's promotional campaign. The concept is in line with the target audiancenya that teens, where teens often become victims abuse of Narcotics. In the design process, defined media are right for the Folder, Interactive Media, Posters, Leaflets, Flyers, X - Banner, Paper bag, T-shirts, Stickers and catalogs. Keywords : design, visual communications, Bali province BNN the spirit of freedom

Self-Supervised Intrinsic Image Decomposition

Intrinsic decomposition from a single image is a highly challenging task, due to its inherent ambiguity and the scarcity of training data. In contrast to traditional fully supervised learning approaches, in this paper we propose learning intrinsic image decomposition by explaining the input image. Our model, the Rendered Intrinsics Network (RIN), joins together an image decomposition pipeline, which predicts reflectance, shape, and lighting conditions given a single image, with a recombination function, a learned shading model used to recompose the original input based off of intrinsic image predictions. Our network can then use unsupervised reconstruction error as an additional signal to improve its intermediate representations. This allows large-scale unlabeled data to be useful during training, and also enables transferring learned knowledge to images of unseen object categories, lighting conditions, and shapes. Extensive experiments demonstrate that our method performs well on both intrinsic image decomposition and knowledge transfer.Comment: NIPS 2017 camera-ready version, project page: http://rin.csail.mit.edu

Phase diagrams of half-filled 1D and 2D extended Hubbard model within COM

The half-filled extended Hubbard model, in one and two dimensions, is studied by means of the 2-pole approximation within the Composite Operator Method with the aim at improving the possibilities to describe some of the experimental features observed for quasi-1D organic superconductors and Cu-O planes of cuprates. The phase diagrams ($T$-$V$ and $V$-$U$) are analyzed with respect to the paramagnetic metal - paramagnetic insulator - charge ordered phase transitions. The relevant features of the diagrams (rank of the phase transitions, critical points, reentrant behavior) are discussed in detail

Osteopenie und pathologische Frakturen bei einem Jugendlichen mit Laktoseintoleranz und hohem Oxalatkonsum

Zusammenfassung: Wir stellen einen Jugendlichen mit Osteopenie und pathologischen Frakturen vor. Der Fall soll auf folgende Punkte aufmerksam machen: Eine adäquate Kalziumzufuhr während Kindheit und Adoleszenz ist für die Entwicklung einer normalen "peak bone mass" von ausschlaggebender Bedeutung. Es ist wahrscheinlich, dass moderne Ernährungsgewohnheiten (Junkfood und Softdrinks) bisher noch zu wenig erkannte Auswirkungen auf die Gesundheit unserer Knochen habe

Pavimentos permeables. Una aproximación convergente en la construcción de vialidades urbanas y en la preservación del recurso agua

Se analiza el uso de los concretos permeables en la infraestructura para la movilidad urbana. En este sentido, se revisa el diseño convencional de pavimentos y se observa que está en una condición de divergencia: atiende a la resistencia, pero no a la preservación del agua. Este diseño introduce los aspectos básicos en la aplicación de los concretos permeables. Se concluye que para una movilidad urbana sustentable la utilización de concretos permeables debe ser una alternativa, ya que atienden requerimientos de infraestructura, manejo y preservación del recurso agua. En la prospectiva se plantean acciones para mejorar y ampliar las posibilidades de utilización de los pavimentos permeables