標(biāo)題: Titlebook: Holomorphic Curves and Global Questions in Contact Geometry; Casim Abbas,Helmut Hofer Textbook 2019 Springer Nature Switzerland AG 2019 fi [打印本頁] 作者: bradycardia 時(shí)間: 2025-3-21 17:36
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作者: 隱士 時(shí)間: 2025-3-21 21:44 作者: 孤獨(dú)無助 時(shí)間: 2025-3-22 01:25
An Introduction to Contact Geometry,A . on an odd-dimensional manifold . of dimension 2.?+?1 is a one-form . such that the (2.?+?1)-form Ω given by . defines a volume form on .. We observe that any manifold admitting a contact form is necessarily orientable, and that a contact form defines a natural orientation.作者: CRANK 時(shí)間: 2025-3-22 06:11
Finite Energy Planes and Periodic Orbits,In this chapter we will prove the main result on finite energy planes due to H. Hofer [.] (see also [.]). Namely, given any manifold . equipped with a contact form ., denote by .?→?. the associated contact structure and by .. the associated Reeb vector field.作者: commute 時(shí)間: 2025-3-22 12:43 作者: 史前 時(shí)間: 2025-3-22 12:53 作者: Lice692 時(shí)間: 2025-3-22 20:50 作者: Servile 時(shí)間: 2025-3-23 00:42 作者: Organonitrile 時(shí)間: 2025-3-23 05:12
Disk Filling Methods and Applications,Let (., .) be a closed three dimensional contact manifold with overtwisted contact structure .. Then there exists a contractible periodic orbit for the Reeb vector field ...作者: 鎮(zhèn)痛劑 時(shí)間: 2025-3-23 06:04 作者: 雪上輕舟飛過 時(shí)間: 2025-3-23 13:28 作者: 脫落 時(shí)間: 2025-3-23 16:53
Holomorphic Curves and Global Questions in Contact Geometry978-3-030-11803-7Series ISSN 1019-6242 Series E-ISSN 2296-4894 作者: 討好美人 時(shí)間: 2025-3-23 21:24 作者: extinguish 時(shí)間: 2025-3-24 00:42
Basic Results,on are locally diffeomorphic, hence the only local invariant of a contact manifold is its dimension. We will also prove the Legendre neighborhood theorem and its symplectic counterpart, the Lagrange neighborhood theorem. These results provide normal forms for neighborhoods of Legendrian submanifolds作者: 嬰兒 時(shí)間: 2025-3-24 04:27 作者: 注意到 時(shí)間: 2025-3-24 08:42 作者: choleretic 時(shí)間: 2025-3-24 11:25
Basic Results,rization of those vector fields whose flow preserves a contact structure (‘contact vector fields’). Reeb vector fields are a special class of contact vector fields. Given a contact structure ., we will find a necessary and sufficient condition for a contact vector field to be the Reeb vector field of some contact form . with ..作者: FANG 時(shí)間: 2025-3-24 17:33 作者: 易受騙 時(shí)間: 2025-3-24 22:25
Textbook 2019uthors guide the reader into the subject. As such it ideally serves as preparation and as entry point for a deeper study of the analysis underlying symplectic field theory..An introductory chapter sets the stage explaining some of the basic notions of contact geometry and the role of holomorphic cur作者: 搖擺 時(shí)間: 2025-3-25 00:36
Holomorphic Curves and Global Questions in Contact Geometry作者: 暴行 時(shí)間: 2025-3-25 05:52
Textbook 2019geometric analysis foundations for the main results, so that one may easily follow the discussion. Graduate students as well as researchers who want to learn the basics of this fast developing theory will highly appreciate this accessible approach taken by the authors..作者: finale 時(shí)間: 2025-3-25 09:59
es und vielseitiges Gebiet zugrunde- gelegt, so da? als Benutzer sowohl Studenten und Ingenieure der beiden ge- nannten Fachrichtungen als auch Bauingenieure, Architekten, Schiffbauer, Berg- und Hüttenleute, technische Physiker und Chemiker, industrielle Kauf- leute und Wirtschaftler in Frage kommen. Denn ger978-3-663-02995-3978-3-663-04183-2作者: annexation 時(shí)間: 2025-3-25 13:58 作者: Brochure 時(shí)間: 2025-3-25 18:40
Quantum Tonality: A Mathemusical Playgroundtinuous evolution. Traditional surgical education placed emphasis on (1) obtaining information about diseases and (2) the development of technical abilities by primarily observation and by then operating on patients. The changing landscape of surgery that increasingly emphasizes quality and patient-作者: 死亡率 時(shí)間: 2025-3-25 21:33 作者: 空氣 時(shí)間: 2025-3-26 03:07 作者: Engulf 時(shí)間: 2025-3-26 06:47
Christopher Hamentars zur Bauordnung für Berlin vom 29. Juli 1966 (GVBI. S. 1175) bezeichnet werden, de- ren Neufassungen vom 13. Februar 1971 (GVBI. S. 456) und vom 1. Juli 1979 (GVBI. S. 898) zu der 2. und 3. jeweils vollst?ndig neu bearbeiteten Auflage des Kommentars Veranlassung gegeben hatten. Denn die BauO B作者: Arresting 時(shí)間: 2025-3-26 11:36
Dehong Liu,Jianchun Zhang,Xiangjun Wangs.Includes supplementary material: .After the successful introduction of acupuncture to the West, recent advances in analytical methods in chemistry, molecular biology and systems biology – especially the development of the “omic” technologies – have again brought Chinese drugs into the focus of res作者: organism 時(shí)間: 2025-3-26 13:20
Ahmad Hoirul Basoriing maintenance. Our implementation of such a tool performs restructuring transformations on code fragments that are selected using a text-based interface. However, a text representation does not represent program structure well because some component relationships that we conceptualize as structure作者: VEIL 時(shí)間: 2025-3-26 17:34
Nancy A. Walkerie Galaxien die “Atome” des Universums, deren Verteilung, Bewegung und Ursprung zu bestimmen und erkl?ren ist. Galaxien sind jedoch komplizierte Gebilde, zusammengehalten durch eine Kraft, die Schwerkraft oder Gravitation. Jede Galaxie besteht aus bis zu 10. Sternen und Gaswolken, die oft über einen作者: 防御 時(shí)間: 2025-3-26 23:18
Cultural Consensus Theory: Aggregating Continuous Responses in a Finite Interval, cultural knowledge. This paper develops a CCT model for items requiring bounded numerical responses, e.g. probability estimates, confidence judgments, or similarity judgments. The model assumes that each item generates a latent random representation in each informant, with mean equal to the consens作者: 有害處 時(shí)間: 2025-3-27 02:20
The Atropisomer-Selective Synthesis of Biologically Active and Synthetically Useful Chiral Biaryls,them dimeric sesquiterpenes like mastigophorene A (1),. but also mixed, constitutionally unsymmetric biaryls like the naphthylisoquinoline alkaloids,.. ancistrocladine (.). and dioncophylline A (.),. some of them disposing of axial . centrochirality (Figure 1). As broad as their structural variety i作者: neutrophils 時(shí)間: 2025-3-27 07:24
Schlussbemerkungcht wei?, was die Worte bedeuten und was mit ihnen ausgedrückt werden soll, wird man trotzdem nicht verstanden werden. Das perfekte Anwenden aller phonetischen Regeln bringt aus meiner Erfahrung ungef?hr 30% des Verstehens. Dass man selbst den Inhalt der Worte und ihren Zusammenhang verstanden hat u作者: Interferons 時(shí)間: 2025-3-27 10:22 作者: Oversee 時(shí)間: 2025-3-27 15:08 作者: CHOIR 時(shí)間: 2025-3-27 21:12
n wird die Eigenschaft zugesprochen, eine bestimmte Sichtweise zu dem behandelten Thema nahezulegen und Rezipientenmeinungen zu beeinflussen. Matthias Potthoff thematisiert, welche Faktoren einen Einfluss auf die .Entstehung. von Medien-Frames haben. Dazu pr?sentiert er ein Modell, das Einflussfakto作者: 隼鷹 時(shí)間: 2025-3-27 22:39
https://doi.org/10.1007/978-3-322-81471-5ierung. Das scheint sinnvoll, da die Quantenelektrodynamik sehr leger von unterschiedlichen Systemen (Gau?, Heaviside, SI), oft in natürlichen Eiheiten . ausgeht und ein Rückgriff auf die klassische Elektrodynamik nicht immer ganz einfach ist. Den Abschluss bilden Compton-Streuung und Thomas-Pr?zession.作者: incarcerate 時(shí)間: 2025-3-28 03:21 作者: 平靜生活 時(shí)間: 2025-3-28 09:15
Palgrave Studies in Postmetaphysical Thought3.38% of the increment. Fracture from flexural failure was observed using a scanning electron microscope (SEM), where the rough surface of the composite structure is relatively related to slow-spreading crack and high-energy absorption in the mixed graphene/PLA matrix. The present study examined the作者: CRAMP 時(shí)間: 2025-3-28 10:32 作者: Anguish 時(shí)間: 2025-3-28 17:50
A Study on the Common Collaboration Platform Activation of Cloud-Based Manufacturing Supply Managemel finally. In the case of module development costs of collaboration works, it is required to be studied more to the future. By the way, in the case of the common collaboration module, the SCM tasks which can be applied to all industrial sectors have been calculated, which was based on the manufactu作者: 性冷淡 時(shí)間: 2025-3-28 20:30 作者: Yourself 時(shí)間: 2025-3-28 23:32
0075-8434 Overview: 978-3-540-08935-3978-3-540-35721-6Series ISSN 0075-8434 Series E-ISSN 1617-9692 作者: overhaul 時(shí)間: 2025-3-29 05:10
Optical Amplification Technologies,n studied extensively. It consists of the motivation, history, targets, categories, evaluation methods, and ongoing issues of SDM amplifiers. The amplification technologies discussed in this chapter are mostly erbium-doped fiber amplifiers (EDFAs) and Raman-based SDM amplifiers. It also covers ampli作者: Grasping 時(shí)間: 2025-3-29 09:05
