Xem 1-20 trên 26 kết quả Local rings
  • This is a book I wished I had found when, many years ago, I first learned the subject of ring theory. All those years have flown by, but I still did not find that book. So finally I decided to write it myself. All the books I have written so far were developed from my lectures; this one is no exception. After writing A First Course in Noncommutative Rings (Springer-Verlag GTM 131, hereafter referred to as “FC ”), I taught ring theory in Berkeley again in the fall of 1993, using FC as text. Since the main theory is already fully developed in FC, I asked my...

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  • In this paper we introduce the total specialization of an finitely generated module over local ring. This total specialization preserves the Cohen-Macaulayness, the Gorensteiness and Buchsbaumness of a module. The length and multiplicity of a module are studied. 1. Introduction Given an object defined for a family of parameters u = (u1, . . . , um ) we can often substitute u by a family α = (α1, . . . , αm) of elements of an infinite field K to obtain a similar object which is called a specialization. The new object usually behaves like the given object...

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  • Let (R, m) be a commutative Noetherian local ring the maximal ideal and A an Artinian R-module with Ndim A = d. For each system of parameters x (x1 , ..., xd ) of A, we denote by e(x, A) the multipility of A with respect to x. Let n (n1 , n2 , ..., nd ) be a d-tuple of positive integers. The paper concerns to the function d-variables I(x(n); A) := where

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  • Topological Hochschild homology and localization 2. The homotopy groups of T (A|K) 3. The de Rham-Witt complex and TR· (A|K; p) ∗ 4. Tate cohomology and the Tate spectrum 5. The Tate spectral sequence for T (A|K) 6. The pro-system TR· (A|K; p, Z/pv ) ∗ Appendix A. Truncated polynomial algebras References Introduction In this paper we establish a connection between the Quillen K-theory of certain local fields and the de Rham-Witt complex of their rings of integers with logarithmic poles at the maximal ideal.

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  • Bài giảng Mạng cơ bản: Mạng Local Area Network cung cấp cho người học những kiến thức về các kiến trúc mạng LAN và các công nghệ mạng LAN. Nội dung cụ thể của chương này gồm: Khái niệm; các kiểu kiến trúc mạng: Bus, Star, Ring, Mesh, Star Bus; Ethernet; các chuẩn: 10base2, 10base5, 10baseT, 10baseFL.

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  • Các kiến trúc mạng LAN? • Khái niệm • Các kiểu kiến trúc mạng: Bus, Star, Ring, Mesh, Star Bus

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  • A wide variety of detail regarding genuine and proprietary research from distinguished authors is presented, ranging from new means of evaluation of the local solar irradiance to the manufacturing technology of photovoltaic cells. Also included is the topic of biotechnology based on solar energy and electricity generation onboard space vehicles in an optimised manner with possible transfer to the Earth. The graphical material supports the presentation, transforming the reading into a pleasant and instructive labor for any interested specialist or student....

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  • Depending on your perspective, the word telemarketing can conjure up very different images. As a business owner selling to consumers or other businesses, telemarketing may be a solution for vastly improving sales, generating greater suc- cess, and greatly expanding the reach of your business without ever leaving the comfort of your office. If you’re a consumer sitting at home trying to relax when the phone rings at the most inopportune time, that same word can conjure up feelings of annoyance, frustration, or fear of being caught up in some type of scam....

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  • In this paper we characterize irreducible generic representations of SO2n+1 (k) (where k is a p-adic field) by means of twisted local gamma factors (the Local Converse Theorem). As applications, we prove that two irreducible generic cuspidal automorphic representations of SO2n+1 (A) (where A is the ring of adeles of a number field) are equivalent if their local components are equivalent at almost all local places (the Rigidity Theorem); and prove the Local Langlands Reciprocity Conjecture for generic supercuspidal representations of SO2n+1 (k). ...

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  • A gate valve is a linear motion valve used to start or stop fluid flow; however, it does not regulate or throttle flow. The name gate is derived from the appearance of the disk in the flow stream. Figure 4 illustrates a gate valve. The disk of a gate valve is completely removed from the flow stream when the valve is fully open. This characteristic offers virtually no resistance to flow when the valve is open. Hence, there is little pressure drop across an open gate valve. When the valve is fully closed, a disk-to-seal ring contact surface exists for 360°, and good sealing is...

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  • Roquin is an E3 ubiquitin ligase with a poorly understood but essential role in preventing T-cell-mediated autoimmune disease and in microRNA-mediated repression of inducible costimulator (Icos) mRNA. Roquin and its mammalian paralogue membrane-associated nucleic acid binding protein (MNAB) define a protein family distinguished by an 200 amino acid domain of unknown function, ROQ, that is highly conserved from mam-mals to invertebrates and is flanked by a RING-1 zinc finger and a CCCH zinc finger....

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  • Jasmonates are derived from oxygenated fatty acids (oxylipins) via the octadecanoid pathway and are characterized by a pentacyclic ring struc-ture. They have regulatory functions as signaling molecules in plant devel-opment and adaptation to environmental stress.

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  • Invite you to consult the document content, "Algebraic Geometry I" below. Contents of the document referred to the content you: Prevarieties, Spectrum of a Ring, Fiber products, Schemes over fields, Local Properties of Schemes, Representable Functors, Separated morphisms,...

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  • Spectrum of a Ring, Fiber products, Schemes over fields, Local Properties of Schemes, Representable Functors, Separated morphisms, Finiteness Conditions, Affine and proper morphisms,... As the main contents of the ebook "Algebraic geometry 1". Invite you to consult.

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  • Recent crosslinking studies indicated the localization of the coupling ion binding site in the Na + -translocating F1F0 ATP synthase ofIlyobacter tartaricus within the hydrophobic part of the bilayer.Similarly, a membrane embedded H + -binding site is accepted for the H + -trans-locating F1F0 ATP synthase ofEscherichia coli.For a more definite analysis, we performed parallax analysis of fluorescence quenching with ATP synthases from both I. tartaricus and E. coli.

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  • To gain insight in the subcellular localization of tumor necrosis factor receptor-associated factor (TRAF4) we analyzed GFP chimeras of full-length TRAF4 and various deletionmutants derived thereof.While TRAF4–GFP (T4– GFP) was clearlylocalized in the cytoplasm, the N-terminal deletion mutant, T4(259–470), comprising the TRAF domain of the molecule, and a C-terminal deletion mutant consisting mainlyof the RING and zinc finger domains of TRAF4 were both localized predominantlyto the nucleus....

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  • Chương 1 TỔNG QUAN VỀ LẬP TRÌNH MẠNG 1 Nội dung Mạng máy tính và lập trình mạng Mô hình TCP/IP Các mô hình kết nối 2 Mạng máy tính & ứng dụng Mạng máy tính Ứng dụng mạng máy tính Chia sẻ tài nguyên Cung cấp độ tin cậy cao Tiết kiệm ngân sách Môi trường liên lạc mạnh Truy xuất từ xa Liên lạc giữa các cá nhân Giải trí có tương tác cao 3 Các thành phần Communication links Host Router Gateway 4 Phân loại mạng máy tính LAN (Local Area Network) IEEE 802.

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  • Nội dung Mạng máy tính và lập trình mạng Mô hình TCP/IP Các mô hình kết nối 2 Mạng máy tính & ứng dụng Mạng máy tính Ứng dụng mạng máy tính Chia sẻ tài nguyên Cung cấp độ tin cậy cao Tiết kiệm ngân sách Môi trường liên lạc mạnh Truy xuất từ xa Liên lạc giữa các cá nhân Giải trí có tương tác cao 3 Các thành phần Communication links Host Router Gateway 4 Phân loại mạng máy tính LAN (Local Area Network) IEEE 802.

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  • A campus network is a building or group of buildings that connects to one network, called an enterprise network. Typically, one company owns the entire network, including the wiring between buildings. This local area network (LAN) typically uses Ethernet, Token Ring, Fiber Distributed Data Interface (FDDI), or Asynchronous Transfer Mode (ATM) technologies. The main challenge for network administrators is to make the campus network run efficiently and effectively. To do this, they must understand current campus networks as well as the new emerging campus networks....

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  • ARP is used as a tool for confirming that a computer is successfully resolving network Layer 3 addresses to Media Access Control (MAC) Layer 2 addresses. The TCP/IP network protocol relies on IP addresses like 192.168.14.211 to identify individual devices and to assist in navigating data packets between networks. While the IP address is essential to move data from one LAN to another, it cannot deliver the data in the destination LAN by itself. Local network protocols, like Ethernet or Token Ring, use the MAC, or Layer 2, address to identify local devices and deliver all data. A computer MAC...

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