Fixed Point Theorems with Applications to Economics and Game Theory

Book Description

One of the problems in economics to which economists have devoted a considerable amount of attention in recent years has been to ensure consistency in the models they employ. Assuming markets to be generally in some state of equilibrium, it must be asked under what circumstances such an equilibrium is possible. The fundamental mathematical tools used to address this concern are fixed point theorems. These outline the conditions under which sets of assumptions have a solution. This book gives the reader access to the mathematical techniques involved and goes on to apply fixed point theorems to proving the existence of equilibria for economics and for cooperative and non-cooperative games. Special emphasis is given to economics and games in cases where the preferences of agents may not be transitive. In addition, the author presents new proofs of old results in order to further clarify the results. He also proposes new results, notably in the last chapter, that refer to the core of a game without transitivity. This book will be useful as a text or reference work for mathematical economists and graduate and advanced undergraduate students.

Customer Reviews:

An excellent survey of more than fixed point theorems........2000-06-02

The author compiles theorems, definitions, and properties on a number of topics. There's some convex analysis, maximization of binary relations, fixed point and selection theorems, and various sufficient conditions for existence of equilibria in games and economies.

A nice feature is that the author explains the equivalence or interconnectedness of theorems from different classes -- comparing the KMM lemma to Brouwer's fixed pt. thm., for instance.

This book is extremely useful for its many variations on common principles. Researchers can benefit from consulting it when they have a problem which does not satisfy the usual criteria -- for instance, if you ever have to ask, "I have a correspondence which satisfies all the conditions for Kakutani's theorem except that it is l.h.c. rather than u.h.c.; am I still able to guarantee a fixed point?"

Grad students in micro/game theory can benefit from the survey of theorems, and familiarizing themselves with the many ways they can get to desired results.

The book is compact and thorough with little exposition. Definitions are very clear, and the author is very good at noting when definitions vary, or the same term has multiple definitions in the literature. Though it presents itself as a mathematical text, its audience is clearly economists -- the conditions given and situations described are clearly ones that economists will recognize, and the applications are economic.

A very nice book for people who already know the applications of such theorems and who need minimal explanation.

the best buy.......2000-03-26

The author, one of the most prominet professors in mathematical economics surveyed fixed point theorems. The theorems are often used to prove the existence of solutions in game theory and economics. If you major in mathematical economics or game theory, you can't avoid to buy this book.

On the Rim of Mexico: Encounters of the Rich and Poor

Average customer rating:

Well researched, yet biased analysis
A remarkable analysis about life on the Mexican-U.S border.

On the Rim of Mexico: Encounters of the Rich and Poor
Ramon Eduardo Ruiz
Manufacturer: Westview Press
ProductGroup: Book
Binding: Paperback

Economic History | Economics | Business & Investing | Subjects | Books

Mexico | Americas | History | Subjects | Books

General | Americas | History | Subjects | Books

History & Theory | Politics | Nonfiction | Subjects | Books
Similar Items:

The U.S.-Mexican Border in the Twentieth Century (Latin American Silhouettes)
Border Games: Policing the U.S.-Mexico Divide (Cornell Studies in Political Economy)
On the Border: Society and Culture between the United States and Mexico (Latin American Silhouettes)
Eisenhower and Latin America: The Foreign Policy of Anticommunism
The Three U.S.-Mexico Border Wars: Drugs, Immigration, and Homeland Security

ASIN: 0813337348

Book Description

A probing look into the history, economics, and customs which shape the troubled borderlands along the Rio Grande

On the Rim of Mexico: Encounters of the Rich and Poor addresses the ties and asymmetries across the Mexico-U.S. border, from Tijuana/San Diego to Matamoros/Brownsville. Based on author Ram--n Eduardo Ruiz's extensive research, travels, remembrances, and firsthand interviews with the people on the Mexican side, the book probes the history, economics, and customs which have shaped this troubled region. While Ruiz examines many timely issues (the impact of drug trafficking, legal and illegal immigration, assembly plants and the global economy, and the ecological disaster in the making), he also makes vivid the borderlands themselves: what they are, how they came to be, and salient aspects of life in this region of the world. On the Rim of Mexico is a moving portrait of the people, places, and issues which make-up border life today.

Customer Reviews:

Well researched, yet biased analysis.......2001-03-29

Mr. Ruiz has obviously spent a great deal of time and effort in researching this book. His in-depth yet easy to read analysis is very impressive. However, his inability to be objective is very disappointing. It seems that the author had a very biased opinion when starting this book. There are many problems in the border region and Mr. Ruiz does an excellent job of identifying and explaining these problems and challenges. On the other hand, this writer never tells us much about the other side of the story. For example, he mentions that Tijuana has a large middle class, yet only wants to focus on and analyze the negatives of the "maquila" industry. It seems that his interviews with Mexicans are only used to prove his point. Contrary points of view are not fully examined or are simply discounted. There are many other examples of this "telling half the story" throughout the book. I think it might do Mr. Ruiz some good to study the economic theory of comparative advantage. Mr. Ruiz is an excellent writer; I hope his next project will not be as lopsided.

A remarkable analysis about life on the Mexican-U.S border........1999-06-17

Ramon E. Ruiz dispells many of the myhs about life on the Mexican-U.S. border. The chapters are devoted to contrasting the life that exist on the each side of the border. Each chapter is well written and his use of economic analysis is used cleverly to set up countless examples about the cultures that exist along the border. Ruiz writes an essential analysis in the study of Mexican-United States relations. A must read.

Immigration And Welfare: Challenging the Borders of the Welfare State (Routledge/Eui Studies in the Political Economy of Welfare, 1)

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Immigration And Welfare: Challenging the Borders of the Welfare State (Routledge/Eui Studies in the Political Economy of Welfare, 1)
Michael Bommes
Manufacturer: Routledge
ProductGroup: Book
Binding: Library Binding

General | Politics | Nonfiction | Subjects | Books

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Emigration & Immigration | Social Sciences | Nonfiction | Subjects | Books

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All Titles | Qualifying Textbooks - Fall 2007 | Stores | Books
ASIN: 0415223725

Book Description

Bringing together a panel of international experts to examine how international immigration challenges the borders of national welfare states, this volume also explores the ways in which this challenge affects the dynamics of inclusion and exclusion within welfare states.

On the Border of Economic Theory and History

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On the Border of Economic Theory and History
Amit Bhaduri
Manufacturer: Oxford University Press, USA
ProductGroup: Book
Binding: Hardcover

Policy & Current Events | Popular Economics | Business & Investing | Subjects | Books

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Book Description

These essays make an interesting departure in showing how economic theory, and even its formal mathematical apparatus, can throw valuable light on historical processes and problems in the diverse fields of agrarian economies and industrial capitalism.

"Exterminate All the Brutes": One Man's Odyssey into the Heart of Darkness and the Origins of European Genocide
Average customer rating:

Explaining genocide: "They were going to die anyhow..."

Incredibly powerful and relevant still

A surreal examination of violence and its justification

Good, but not essential

Horrifying But True

"Exterminate All the Brutes": One Man's Odyssey into the Heart of Darkness and the Origins of European Genocide
Sven Lindqvist
Manufacturer: New Press
ProductGroup: Book
Binding: Paperback

General | Africa | History | Subjects | Books
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The Communist Manifesto: With Related Documents (The Bedford Series in History and Culture)

The French Revolution and Human Rights: A Brief Documentary History (The Bedford Series in History and Culture)

The Graves Are Not Yet Full: Race, Tribe, and Power in the Heart of Africa

The Courage of Strangers: Coming of Age with the Human Rights Movement

Germany At The Fin De Siecle: Culture, Politics, And Ideas

ASIN: 1565843592

Amazon.com

Sven Lindqvist, a traveler and historian, paints a broad-brush history of European colonialism, especially in Africa. Drawing his title from Joseph Conrad's fable Heart of Darkness, he turns up 19th-century newspaper accounts of British massacres of wounded Sudanese rebels after the siege of Omdurman, of German concentration camps in what was once called Southwest Africa, of a Belgian captain who decorated his flower beds with the heads of recalcitrant plantation workers. These incidents were not unusual, Lindqvist writes. Neither were they thought especially brutal by their perpetrators, for, he argues, colonialism was guided by a doctrine that placed Europe at the top of the evolutionary ladder and regarded non-Europeans as a separate species bound for extinction--a doctrine that found its ultimate expression in the Holocaust. This is an occasionally gruesome and always provocative study.

Book Description

A brilliant and unsettling intellectual history of Europe's genocidal colonization of Africa.

"Exterminate All the Brutes" is a searching examination of Europe's dark history in Africa and the origins of genocide. Using Joseph Conrad's Heart of Darkness as his point of departure, Sven Lindqvist takes us on a haunting tour through the colonial past, interwoven with a modern-day travelogue. Retracing the steps of European explorers, missionaries, politicians, and historians in Africa from the late eighteenth century onward, the author exposes the roots of genocide in Africa via his own journey through the Saharan desert. As Lindqvist shows, fantasies not merely of white superiority but of actual extermination—"cleansing" the earth of the so-called lesser races—deeply informed European colonialism and racist ideology that ultimately culminated in Europe's own Holocaust.

Chosen as one of the Best Books of 1998 by the New Internationalist, which called it "a beautifully written integration of criticism, cultural history, and travel writing, underpinned by a passion for social justice," "Exterminate All the Brutes" is a powerful reckoning with the past and an indispensable contribution to the literature of colonial Africa and European genocide.

Customer Reviews:

Explaining genocide: "They were going to die anyhow...".......2007-04-02

"At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate and replace throughout the world the savage races." - Charles Darwin

The words "civilized" and "savage" are relative, as continually reminded by recent history and current events. Sven Lindqvist, in his spare, lucid, imaginative prose demonstrates the moral hypocricy of the "champions of civilization". Yes, this is a book that will be read with an accelerated heartbeat, more than a bit of anger and some tears amongst the more sensitive. It should also be an edifying experience even for the well read. I don't believe this book is about providing any particular group(s) with an extra burden of guilt; we all have more than our share of skeletons in our closets. The real message is, we humans, we all wallow in the same gutter.

Incredibly powerful and relevant still.......2006-11-26

Exterminate All the Brutes is brief and disturbing; Sven Lindqvist unveils the realities and moral convictions we have almost completely repressed. Just as the author suggests, the book shatters the image we have of ourselves, but even more importantly, it is distressing how relevant his ideas and Conrad's `Heart of Darkness' are in the world today - again.

The title of the book is taken from Joseph Conrad's 1902 classic novel - Heart of Darkness. In it, the main character, Kurtz, goes to Africa to bring progress and culture to the uncivilized continent. He is dispatched to Africa as an ivory procurement agent, and as the story develops the reader is confronted with the unreal brutality of the colonial rule. Conrad's work intertwines the themes of `light of civilization' and `darkness of barbarism' and makes reader realize the hollowness of these phrases as Kurtz surrounds himself with chaos and mayhem. Sven Lindqvist develops this theme as he traces the imperial history of European colonialism and condenses it to a single sentence: "Exterminate all the brutes." European world expansion, he claims, and the employed tactics of extermination are the truths we like to forget. Preferring to externalize we look at the Holocaust as a historical aberration, a smear on the path of progress and enlightenment brought to the world by the Western societies. However, as the author points out, just as all of Europe contributed to the making of Kurtz, it would also be the European habits and political precedents that would lay the foundation for the atrocities of the Second World War. What was done in Africa, would be repeated in Europe - we know this, what we lack is the courage to face what we know and draw some conclusions.

The book culminates by pointing to the Holocaust, but one doesn't have to look far to see the same principles being applied in the world today; `Heart of Darkness' is applicable to every nation, culture and ideology. `Exterminate All the Brutes' is an incredibly powerful book.

A surreal examination of violence and its justification.......2003-07-14

I read this book in the winter of 2002-03, as the drive to war against Iraq was at a frenzied pitch. A few months later, on the day of the final ultimatum to Saddam, just before the bombing began, I was at my sister's house visiting. From the next room my nephew lets out a loud sigh, saying "I have to wait two more hours!" I thought he was referring to some show, but he was actually referring to the President's deadline to launch hostilities. So now, in America, war has become almost a staged form of entertainment which we can enjoy with our children from the comfort of our homes. I mention this because Exterminate All the Brutes has, for me at least, many moments which touch upon the surreal thought processes which help to justify the unjustifiable. It's easy to look back at dead empires and point out their evil deeds; less settling is the knowledge that, regardless of our many technological advancements and extreme wealth, we are of a civilization (one among many) that commits and condones extreme violence against the innocent, as long as it furthers the goals of those in power who profit from it. And we the people, like willing sheep, blindly accept the lies. This book makes us look deeper at the falsehoods, with the plea that when we next hear our leadership misguiding us, we can think for ourselves and reject the guilded call to war and slaughter.

Good, but not essential.......2003-06-10

I read this book as an undergrad, and was moved by it. I wasn't moved so much by the analysis of genocide, which I found pretty ordinary (but useful), but by his method of drawing on literary texts from the turn of the century, and his analysis of them. After reading this text, I went out and devoured Joseph Conrad's works, and I have never looked at H.G. Wells' work again in the same way. If you are interested in this literary period, or in linking these fiction works with the thought of European genocide, then get the book. If you are only interested in the roots of genocide, then check it out in the library before you buy it, to see if it will suit your purposes.

Horrifying But True.......2002-07-27

Here's a unique look at the Western world's impact on Africa during the late nineteenth and early twentieth century. Its told in a sort of travelogue as the author travels through the Sahara. On the way he muses over Joseph Conrad's "Heart of Darkness", in which a European issues orders to solve the African native problem by "exterminating the brutes" The details of atrocities committed against indigenous populations in the Congo and elsewhere are horrific. The format leaves something to be desired as at times you're not sure whether you're in the present or back in the past, but perhaps that's what the author intended. Keep "Exterminate All the Brutes" in mind the next time you hear someone talking about bringing civilization to the savages.

Average customer rating:

If you read one book this year...

Exterminate All the Brutes
Joan Tate
Manufacturer: Granta Books
ProductGroup: Book
Binding: Paperback

General | Africa | History | Subjects | Books

History of Ideas | Historical Study | History | Subjects | Books

Social History | Historical Study | History | Subjects | Books

Discrimination & Racism | Social Sciences | Nonfiction | Subjects | Books

Customer Reviews:

If you read one book this year..........2002-11-16

Actually, I've ready more than one book this year...many more, but this was my favorite. Written as a reflective narrative, not unlike Zen and the Art of Motorcycle Maintenance, the author puts forth a story of a man traveling across the Sahara by bus and traveling through the history of Europeans in Africa. The title comes from the last line in Joseph Conrad's novel, "Heart of Darkness." Linqvist is a master storyteller, and the story he tells helps one understand where much about the origins of racism. This book is timely in that in the US, race relations are going backwards. Lindavist shows how many of the "scientific" assumptions that people hold about Africans are based more on political ideologies carried over from the 1800s rather than real science.

I don't think that many people will read this book because of its subject matter. It's a topic that many people want to avoid or deny. Regardless of this, Sven Lindqvist should be praised and recognized for this fascinating and enlightening book.

Exterminate All the Brutes
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Exterminate All the Brutes
Sven Lindqvist
Manufacturer: Granta Books
ProductGroup: Book
Binding: Paperback
ASIN: B000K69Z8W

Book Description

In the span of a single lifetime, we have moved from the Model T to supersonic jets, from AM radios to digital cameras, from outer space to cyberspace. Now you can join the editors of TIME as they bring together the 100 most significant and compelling discoveries of our time. Youll marvel at the treasures of King Tut's tomb, explore the depths of the ocean with Jacques Cousteau. Youll witness the first nuclear chain reaction, travel with polar explorers to the ends of the earth, gaze in awe at the wonders of space only recently revealed by the Hubble Telescope.

Great Discoveries - An Amazing Journey Through Space And Time

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Great Discoveries - An Amazing Journey Through Space And Time
Kelly Time Inc.; Editor - Knauer
Manufacturer: time inc.
ProductGroup: Book
Binding: Paperback
ASIN: B000JZY9IU

Time ~ Great Discoveries ~ An Amazing Journey Through Space and Time

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Time ~ Great Discoveries ~ An Amazing Journey Through Space and Time

Manufacturer: Time, Inc.
ProductGroup: Book
Binding: Paperback
ASIN: B000J3MBG4

Product Description

An amazing journey through space and time! Illustrated throughout with photos that will totally amaze you. This edition is stated inside cover `First Edition'. Made especially for collector's. It discusses Time, Space, Earth, and Life through 169 pages. Measures 8" x 11" x 1/2".

Book Description

This digital document is an article from Dairy Today, published by Thomson Gale on March 15, 2005. The length of the article is 963 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Clearer skies.(livestock emissions )
Author: Catherine Merlo
Publication: Dairy Today (Magazine/Journal)
Date: March 15, 2005
Publisher: Thomson Gale
Page: NA

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Do We Understand Trends in Atmospheric Sulfur Species? (Technical Paper).(Statistical Data Included): An article from: Journal of the Air & Waste Management Association

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Do We Understand Trends in Atmospheric Sulfur Species? (Technical Paper).(Statistical Data Included): An article from: Journal of the Air & Waste Management Association
N. Reid , P.K. Misra , R. Bloxam , D. Yap , S.T. Rao , K. Civerolo , E. Brankov , and R.J. Vet
Manufacturer: Air and Waste Management Association
ProductGroup: Book
Binding: Digital

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Book Description

This digital document is an article from Journal of the Air & Waste Management Association, published by Air and Waste Management Association on November 1, 2001. The length of the article is 5369 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Do We Understand Trends in Atmospheric Sulfur Species? (Technical Paper).(Statistical Data Included)
Author: N. Reid
Publication: Journal of the Air & Waste Management Association (Refereed)
Date: November 1, 2001
Publisher: Air and Waste Management Association
Page: 1561(7)

Article Type: Statistical Data Included

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Energy efficiency: budget, oil conservation, and electricity conservation issues.(Department of Energy): An article from: Congressional Research Service (CRS) Reports and Issue Briefs

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Energy efficiency: budget, oil conservation, and electricity conservation issues.(Department of Energy): An article from: Congressional Research Service (CRS) Reports and Issue Briefs
Fred Sissine
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital

Management | Management & Leadership | Business & Investing | Subjects | Books

Book Description

This digital document is an article from Congressional Research Service (CRS) Reports and Issue Briefs, published by Thomson Gale on January 1, 2006. The length of the article is 8241 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Energy efficiency: budget, oil conservation, and electricity conservation issues.(Department of Energy)
Author: Fred Sissine
Publication: Congressional Research Service (CRS) Reports and Issue Briefs (Report)
Date: January 1, 2006
Publisher: Thomson Gale
Page: NA

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Estimation of organic carbon blank values and error structures of the Speciation Trends Network data for source apportionment.(TECHNICAL PAPER) : An article ... of the Air & Waste Management Association

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Estimation of organic carbon blank values and error structures of the Speciation Trends Network data for source apportionment.(TECHNICAL PAPER) : An article ... of the Air & Waste Management Association
Eugene Kim , Philip K. Hopke , and Youjun Qin
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital

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Book Description

This digital document is an article from Journal of the Air & Waste Management Association, published by Thomson Gale on August 1, 2005. The length of the article is 7579 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Estimation of organic carbon blank values and error structures of the Speciation Trends Network data for source apportionment.(TECHNICAL PAPER)
Author: Eugene Kim
Publication: Journal of the Air & Waste Management Association (Magazine/Journal)
Date: August 1, 2005
Publisher: Thomson Gale
Volume: 55 Issue: 8 Page: 1190(10)

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Extending the Kolmogorov-Zurbenko filter: application to ozone, particulate matter, and meteorological trends.(TECHNICAL PAPER): An article from: Journal of the Air & Waste Management Association

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Extending the Kolmogorov-Zurbenko filter: application to ozone, particulate matter, and meteorological trends.(TECHNICAL PAPER): An article from: Journal of the Air & Waste Management Association
Erika K. Wise , and Andrew C. Comrie
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital

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Book Description

This digital document is an article from Journal of the Air & Waste Management Association, published by Thomson Gale on August 1, 2005. The length of the article is 6156 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Extending the Kolmogorov-Zurbenko filter: application to ozone, particulate matter, and meteorological trends.(TECHNICAL PAPER)
Author: Erika K. Wise
Publication: Journal of the Air & Waste Management Association (Magazine/Journal)
Date: August 1, 2005
Publisher: Thomson Gale
Volume: 55 Issue: 8 Page: 1208(9)

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Indoor/outdoor relationships, trends, and carbonaceous content of fine particulate matter in retirement homes of the Los Angeles basin.(TECHNICAL PAPER): ... of the Air & Waste Management Association

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Indoor/outdoor relationships, trends, and carbonaceous content of fine particulate matter in retirement homes of the Los Angeles basin.(TECHNICAL PAPER): ... of the Air & Waste Management Association
Andrea Polidori , Mohammad Arhami , Constantinos Sioutas , Ralph J. Delfino , and Ryan Allen
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital

Management | Management & Leadership | Business & Investing | Subjects | Books

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Book Description

This digital document is an article from Journal of the Air & Waste Management Association, published by Thomson Gale on March 1, 2007. The length of the article is 12779 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Indoor/outdoor relationships, trends, and carbonaceous content of fine particulate matter in retirement homes of the Los Angeles basin.(TECHNICAL PAPER)
Author: Andrea Polidori
Publication: Journal of the Air & Waste Management Association (Magazine/Journal)
Date: March 1, 2007
Publisher: Thomson Gale
Volume: 57 Issue: 3 Page: 366(14)

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Looking into the fire: is biodiesel a potential smog source? Models of engine combustion aim to assure that it doesn't become one.: An article from: Mechanical Engineering-CIME

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Looking into the fire: is biodiesel a potential smog source? Models of engine combustion aim to assure that it doesn't become one.: An article from: Mechanical Engineering-CIME
Jean Thilmany
Manufacturer: Thomson Gale
ProductGroup: Book
Binding: Digital
ASIN: B000PLX22M
Release Date: 2007-04-16

Book Description

This digital document is an article from Mechanical Engineering-CIME, published by Thomson Gale on April 1, 2007. The length of the article is 1882 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Looking into the fire: is biodiesel a potential smog source? Models of engine combustion aim to assure that it doesn't become one.
Author: Jean Thilmany
Publication: Mechanical Engineering-CIME (Magazine/Journal)
Date: April 1, 2007
Publisher: Thomson Gale
Volume: 129 Issue: 4 Page: 40(3)

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Potential assessment of a neural network model with PCA/RBF approach for forecasting pollutant trends in Mong Kok urban air, Hong Kong [An article from: Environmental Research]

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Potential assessment of a neural network model with PCA/RBF approach for forecasting pollutant trends in Mong Kok urban air, Hong Kong [An article from: Environmental Research]
W.-Z. Lu , W.-J. Wang , X.-K. Wang , S.-H. Yan , and Lam
Manufacturer: Elsevier
ProductGroup: Book
Binding: Digital

Book Description

This digital document is a journal article from Environmental Research, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
The forecasting of air pollutant trends has received much attention in recent years. It is an important and popular topic in environmental science, as concerns have been raised about the health impacts caused by unacceptable ambient air pollutant levels. Of greatest concern are metropolitan cities like Hong Kong. In Hong Kong, respirable suspended particulates (RSP), nitrogen oxides (NO"x), and nitrogen dioxide (NO"2) are major air pollutants due to the dominant usage of diesel fuel by commercial vehicles and buses. Hence, the study of the influence and the trends relating to these pollutants is extremely significant to the public health and the image of the city. The use of neural network techniques to predict trends relating to air pollutants is regarded as a reliable and cost-effective method for the task of prediction. The works reported here involve developing an improved neural network model that combines both the principal component analysis technique and the radial basis function network and forecasts pollutant tendencies based on a recorded database. Compared with general neural network models, the proposed model features a more simple network architecture, a faster training speed, and a more satisfactory prediction performance. The improved model was evaluated with hourly time series of RSP, NO"x and NO"2 concentrations monitored at the Mong Kok Roadside Gaseous Monitory Station in Hong Kong during the year 2000 and proved to be effective. The model developed is a potential tool for forecasting air quality parameters and is superior to traditional neural network methods.

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