Matrices over commutative rings brown
Đề tài " Geometric Langlands duality and representations of algebraic groups over commutative rings " pptx
... Mathematics Geometric Langlands duality and representations of algebraic groups over commutative rings By I. Mirkovi´c and K. Vilonen* LANGLANDS DUALITY AND ALGEBRAIC GROUPS] 113 We ... X 2 − Δ. Then, in Definition 4.5, W is the locus of points lying over U. That m is small now follows as m is an isomorphism over U and over points of Δ the map m coincides with its...
Ngày tải lên: 06/03/2014, 08:21
Báo cáo "A NEW NUMERICAL INVARIANT OF ARTINIAN MODULES OVER NOETHERIAN LOCAL RINGS " pptx
... Oxford, 41(2)(1990), 419-429. 10. Matsumura, H.: Commutative ring theory, Cambridge University Press, 1986. 11. MacDonald, I.G, Secondary representation of modules over a commutative ring, Sympos. Math., 11(1973), ... NUMERICAL INVARIANT OF ARTINIAN MODULES OVER NOETHERIAN LOCAL RINGS Nguyen Duc Minh Department of Mathematics, Quy Nhon University Abstract. Let (R, m) be a commutati...
Ngày tải lên: 05/03/2014, 14:20
Thoại trên mạng VOI IP (voice over IP - VOIP)
... thoại trên mạng IP (voice over IP - VOIP) (Nhóm nghiên cứu: Voice Over IP Hớng dẫn: ThS. Nguyễn Tô Đông Thực hiện : Kim Thanh Tùng -Lơng Ngọc ... thiệu ngôn ngữ mô phỏng phần cứng VHDL Nguyên lý của kỹ thuật OFDM Thoại trên mạng IP (Voice over IP- VOIP) Khuếch đại quang sợi pha tạp Pr (PDFA), Nd (NDFA) cho b ớc sóng 1300nm sử dụng
Ngày tải lên: 31/08/2012, 10:00
Cisco Press 2000 - Voice over IP Fundamentals
... normally due to an overlay . An overlay can result in next-door neighbors having different area codes. An overlay is when a region with an existing area code has another area code "overlayed." ... 1. Overview of the PSTN and Comparisons to Voice over IP The Public Switched Telephone Network (PSTN) has been evolving ever since Alexander Graham Bell made the first voice transmis...
Ngày tải lên: 14/09/2012, 11:42
Implementing Voice Over IP
... 205 x CONTENTS PREFACE In general, voice transmission over the Internet protocol (IP), or VoIP, means transmission of real-time voice signals and associated call control information over an IP-based (public or private) ... multiplex (TDM) formatted voice signals into a real-time transport protocol (RTP) over a user datagram protocol (UDP) over IP packets. 4 The GK controls one or more...
Ngày tải lên: 15/09/2012, 10:04
Tìm hiểu VOICE OVER IP
... b o m t riêng vàấ ầ ế ể ế ậ ủ ạ ế ậ ả ậ Page 19 [VOICE OVER IP] CH NG I: T NG QUAN V VOIPƯƠ Ổ Ề 1. Gi i thi u chung v VoIP.ớ ệ ề Voice over Internet Protocol (VoIP) là m t công ngh cho phép truy ... chuy n m ch gói.ạ ể ạ ể ạ Page 2 [VOICE OVER IP] ch n các tùy ch n mà b n c n đ tránh mang l i nh ng r i ro không đáng có.ọ ọ ạ ầ ể ạ ữ ủ Page 20 [VOICE OVER IP] 2. Các ki u k t n i s d n...
Ngày tải lên: 09/10/2012, 16:40
Báo cáo y học: "Use of chinese and western over-the-counter medications in Hong Kong"
... COMM E N T ARY Open Access Use of chinese and western over- the-counter medications in Hong Kong Vincent Chi Ho Chung 1* , Chun Hong Lau 1 , Frank Wan ... commu- nity pharmacist and Chinese medicine retailers are responsible for providing western and Chinese over- the-counter (OTC) medications. Patterns of OTC uses reflect the characteristics of populations ... of the interplay between dema...
Ngày tải lên: 25/10/2012, 10:06