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Topic: Advice complexity theory


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In the News (Sun 27 May 12)

  
  Nutrition Advice
An advice is a hint, suggestion or counsel given to you by someone.
In aspect-oriented programming an advice is a pieceof code executed when a join point isreached, that is associated with the pointcut of the advice.
In complexity theory, an advice is a string with extra information usedby Turing machine or other computing device.
www.altvetmed.com /face/16705-nutrition-advice.html   (602 words)

  
  Advice - Wikipedia, the free encyclopedia
In constitutional law Advice is a frequently binding instruction issued to a constitutional office-holder or institution.
In aspect-oriented programming an advice is a piece of code executed when a join point is reached, that is associated with the pointcut of the advice.
In complexity theory, an advice string is a string with extra information used by Turing machine or other computing device.
en.wikipedia.org /wiki/Advice   (163 words)

  
 First Date Advice   (Site not responding. Last check: 2007-10-28)
For example, Queen Elizabeth II of the United Kingdom formally appoints Ministers of the Crown on the advice of the British Prime Minister.
Advice to deliver formal statements, such as a Speech from the throne.
In some cases, whether the advice is mandatory or advisory depends on the context and authority of the person offering advice.
www.wwwtln.com /finance/77/first-date-advice.html   (763 words)

  
 Complexity Science
In complex systems, however, the parts interact (the whole is more than its parts) in a non-linear way that depend on their history and the context.
In a complex system, non-linear interactions between component parts create effective and evolving states far from equilibrium in a fashion which is highly dependent on connections within the system and its environment.
Complex systems frequently produce fluctuations that are often explicable only at the level of the whole system.
courseweb.edteched.uottawa.ca /POP8910/Notes/Complexity.htm   (1945 words)

  
 COMPLEXITY THEORY AND MANAGEMENT PRACTICE by JONATHAN ROSENHEAD
Given that the key finding claimed for complexity theory is the effective unknowability of the future, the common assumption among managers that part of their job is to decide where the organisation is going, and to take decisions designed to get it there is seen as a dangerous delusion.
Krugman (1996), on the concluding page of his exploration of the relevance of complexity theory for economics, states "at this point I have no recommendations to offer." By contrast in the management complexity literature there is a tendency to make just such unwarranted statements – both generalisations and prescriptions.
So, for example, Huygens developed his wave theory of light with ideas from the familiar view of sound as a wave phenomenon; and Fourier’s theory of heat conduction was constructed by analogy with the known laws of the flows of liquids (Nagel 1961).
human-nature.com /science-as-culture/rosenhead.html   (10599 words)

  
 COMPLEXITY THEORY AND MANAGEMENT PRACTICE by JONATHAN ROSENHEAD
Given that the key finding claimed for complexity theory is the effective unknowability of the future, the common assumption among managers that part of their job is to decide where the organisation is going, and to take decisions designed to get it there is seen as a dangerous delusion.
Krugman (1996), on the concluding page of his exploration of the relevance of complexity theory for economics, states "at this point I have no recommendations to offer." By contrast in the management complexity literature there is a tendency to make just such unwarranted statements – both generalisations and prescriptions.
So, for example, Huygens developed his wave theory of light with ideas from the familiar view of sound as a wave phenomenon; and Fourier’s theory of heat conduction was constructed by analogy with the known laws of the flows of liquids (Nagel 1961).
www.human-nature.com /science-as-culture/rosenhead.html   (10599 words)

  
 Bloomberg.com: Financial Glossary
An economic theory that describes the relationship between risk and expected return, and serves as a model for the pricing of riskysecurities.
Provisions of the Bankruptcy Reform Act under which the debtorfirm'sassets are liquidated by a court because reorganization would fail to establish a profitable business.
Provisions of the Bankruptcy Reform Act under which the debtorfirm is reorganized by a court because the estimated value of the reorganized firm exceeds the expected proceeds from its liquidation.
www.bloomberg.com /analysis/glossary/bfglosc.htm   (6436 words)

  
 Education Review-a journal of book reviews
Generally speaking, complexity theory is concerned with particular objects of study rather than a particular mode of inquiry.
Complexity theory is opening up the possibility for the collective consciousness to think about organizations differently.
“Complexity theory” is the name given to the study and understanding of phenomena framed by a theoretical commitment to non-linear dynamics.
edrev.asu.edu /reviews/rev420.htm   (2158 words)

  
 The Chronicle: Colloquy Live Transcript
That theory is part of a sweeping new field called complexity research, which seeks to find broad patterns to explain the behavior of groups, whether atoms, people, or elephants.
Complexity theory typically deals with systems with hundreds or thousands of interacting parts and tries to understand the collective emergent properties of the dynamical behavior of such systems.
Complexity theorists, with the notion of "power laws," seem to be claiming that because something can be modeled mathematically that the mathematical equation then becomes a cause for the behavior.
chronicle.com /colloquylive/2001/05/complexity   (2448 words)

  
 Steve Best-Douglas Kellner: Kevin Kelly's Complexity Theory
Drawing on cybernetics, chaos and complexity theory, evolutionary theory, information theory, and discussions of new technologies, Kelly claims that we need fresh models of thought that articulate the parallels between the organization of nature, the novel environments of technology, and the dynamic human and social milieux.
Like other complex structures such as evolution and life itself, the economy thrives on the "edge of chaos," at the point where it is neither too rigid and static nor unbalanced and amorphous.
We would distinguish between a conservative and ideological complexity theory that uses new scientific and technological insights in order to legitimate the system of global capitalism, and a critical complexity theory that interprets "bottom-up" power and intelligence in terms of direct democracy, and not a swarmlike hive.
www.democracynature.org /dn/vol6/best_kellner_kelly.htm   (8489 words)

  
 Dieter van Melkebeek - Research on Computational Complexity Theory
Complexity theory aims to answer this question by describing how many resources we need to compute the solution as a function of the problem size.
Torenvliet established that large complexity classes like doubly exponential space have complete languages that are not autoreducible, whereas the complete languages of smaller classes like exponential time all share the property of autoreducibility.
The Kolmogorov complexity of a string is the length of its shortest description; various complexity restrictions on the descriptions lead to various notions of Kolmogorov complexity.
www.cs.wisc.edu /~dieter/Research/complexity.html   (2933 words)

  
 Redundant Complexity
His central interpretative metaphor for biochemical complexity, that of the well-designed mousetrap that ceases to function if critical parts are absent, is undermined by the observation that typical biochemical systems exhibit considerable redundancy and overlap of function.
An irreducibly complex system cannot be produced directly (that is, by continuously improving the initial function, which continues to work by the same mechanism) by slight, successive modifications of a precursor system, because any precursor to an irreducibly complex system that is missing a part is by definition nonfunctional.
Redundant complexity is embodied in the discovery that biochemical processes frequently do not involve simple, linear sequences of reactions, with function destroyed by the absence of a given component in the sequence.
www.asa3.org /ASA/topics/Apologetics/POS6-99ShenksJoplin.html   (5559 words)

  
 Theory Revision Page
Finally, the accuracy of a candidate theory is measured by considering both the sequence of tests required to arrive at a diagnosis, and its agreement with the diagnostic endpoints provided by an expert.
Essentially all theory revision systems use a set of theory-to-theory transformations { t_k } to hill-climb from a given initial theory to a new theory whose empirical accuracy, over a given set of labeled training instances { q_j }, is a local optimum.
Standard "theory revision" systems use a given set of "labeled queries" (each a query paired with its correct answer) to incrementally transform the given theory, by adding and/or deleting either rules and/or antecedents, into a related one that is as accurate as possible.
www.cs.ualberta.ca /~greiner/theory-revision.html   (1108 words)

  
 CS 596, Fall 1997   (Site not responding. Last check: 2007-10-28)
Complexity Theory is concerned with providing quantitative measures on the resources needed to solve computational problems.
This is the branch of Theory of Computation that addresses the questions about which problems can be solved efficiently and which cannot be solved efficiently.
If you have not taken an undergraduate course in theory of computing, I think that it would be the rare student who will do well in CSE 596 without some other prior courses that develop analytical thinking.
www.cs.buffalo.edu /faculty/selman/courseintroduction2002.html   (972 words)

  
 URCS Theory Technical Reports
This paper provides a tutorial overview of the advice complexity of the semifeasible sets---informally put, the class of sets having a polynomial-time algorithm that, given as input any two strings of which at least one belongs to the set, will choose one that does belong to the set.
While overviewing the advice complexity of the semifeasible sets, we will stress also the issue of whether the functions at the core of semifeasibility---so-called selector functions---can without cost be chosen to possess such algebraic properties as commutativity and associativity.
For the nondeterministic advice complexity of P-sel, linear upper and lower bounds are known [Hemaspaandra and Torenvliet 1996].
www.cs.rochester.edu /trs/theory-trs.html   (16346 words)

  
 [No title]
Complexity theory is concerned with self-organizing phenomena and the effect of one subsystem behavior on another.
It would be correct to call chaos theory in psychology a new paradigm in psychological thought: Nonlinear theory introduces new concepts to psychology for understanding change, new questions that can be asked, and offers new explanations for phenomena.
In light of the complex relationships that must exist in processes that are driven by both bottom-up and top-down dynamics, the meso-level neuronal circuitry has become a new focus of attention from the perspective of nonlinear dynamics.
www.societyforchaostheory.org /tutorials   (2270 words)

  
 Dieter van Melkebeek - Research on Computational Complexity Theory
Complexity theory aims to answer this question by describing how many resources we need to compute the solution as a function of the problem size.
Torenvliet established that large complexity classes like doubly exponential space have complete languages that are not autoreducible, whereas the complete languages of smaller classes like exponential time all share the property of autoreducibility.
The Kolmogorov complexity of a string is the length of its shortest description; various complexity restrictions on the descriptions lead to various notions of Kolmogorov complexity.
pages.cs.wisc.edu /~dieter/Research/complexity.html   (2966 words)

  
 Hair Advice -- Recommendations and Resources   (Site not responding. Last check: 2007-10-28)
In aspect-oriented programming an advice is a piece of code executed when a join point is reached, that is associated with the pointcut of the advice.
An advice string is an extra input to a Turing machine which is allowed to depend on the length ''n'' of the input, but not on input itself.
For any ''n'', there must be an advice string ''A'' of length ''f(n)'' such that, for any input ''x'' of length ''n'', the machine ''M'' correctly decides the problem on the input ''x'', given ''x'' and ''A''.
www.becomingapediatrician.com /health/64/hair-advice.html   (757 words)

  
 Advice   (Site not responding. Last check: 2007-10-28)
Citizens Advice Bureau - A Citizen Advice Bureau (CAB) is one of a chain of local bureaux throughout the UK which give information, advice and sometimes casework, free of charge to all comers.
In complexity theory, an Advice is a must-have for teenage girls seeking words of the Advice.
In complexity theory, an Advice is a hint, suggestion or counsel given to you by someone.
ad10.meninadatorre.com   (1156 words)

  
 Agile Advice: Agile Work Theory Archives
In queueing theory this process is referred to as the gating function in that it provides a gate that lets work items into the system.
In theory, at the end of this testing process (month twelve), we are supposed to receive the software for use, and we should be able to receive the value it was supposed to offer.
Complexity of the tasks is hidden, and becomes often quite invisible.
www.agileadvice.com /archives/agile_work_theory/index.html   (16008 words)

  
 Computational Complexity; Problem Hierarchy   (Site not responding. Last check: 2007-10-28)
Problems of exponential complexity are "solved" using approximate methods that are of polynomial complexity.
Theorem proving is an example of a problem of exponential complexity while proof checking is of linear (polynomial) complexity.
Some problems are so complex and so far-reaching that their complete solution is unrealistic and partial solutions must be employed.
cs.wwc.edu /~aabyan/Theory/complexity.html   (1650 words)

  
 Anecdote: Complexity Archives
The key point is that a complex problem like this requires the team to try things, make educated guesses and see what happens, while ensuring the public is kept safe and services are maintained as best as they can.
The language of complexity teaches us that complex problems cannot be ‘analysed and solved’ per se and that new approaches are required to supplement (not replace) our problem solving capabilities.
This book makes a simple and powerful case: to thrive in a complex, outsourced and topsy-turvey world people need to augment their rational, linear and analytical thinking (how you got ahead in the information age) with empathy, creativity, meaning and the ability to sense patterns (required to flourish in the conceptual age).
www.anecdote.com.au /archives/complexity   (10016 words)

  
 How to Get a Paper Accepted at OOPSLA
One piece of advice that often seems to be ignored is to have your paper reviewed by colleagues.
The theory must prove (or disprove) some proposition that is of interest to the community.
An untested theory is not worth much, but a good theory should be easy to apply to practical examples.
www.acm.org /sigplan/oopsla/oopsla96/how93.html   (3964 words)

  
 Caterina.net: Icosystem, Complexity Theory & Business
Icosystem's technology identifies innovative, winning combinations of strategies within a complex and dynamic business ecosystem.
Our approach, based on network analysis, dynamic modeling and complexity science, simulates a business environment and analyzes its potential for success and profitability.
Icosystem's technology blends significant computational power with robust analytical techniques drawn from complexity science to automate key parts of the strategy innovation process, expanding greatly the range of alternatives considered and eliminating the biases and limitations of traditional approaches.
www.caterina.net /archive/000167.html   (322 words)

  
 Mind Hacks: Theory Archives
Social network theory is now an important and growing area of social psychology and understanding how information flows through social network is thought to be key for making sense of how groups work, co-operate, expand and influence others.
Freud is often criticised for the validity of his theories, and the programme discusses whether he was justified in drawing these conclusions when there was little other evidence on the function of the mind to work with.
The first is on Freud's contribution to philosophy and the second contrasts Freud's theories of dreaming with modern dream science derived from neuroscience.
www.mindhacks.com /blog/theory/index.html   (13786 words)

  
 BU-CS Theory Seminar
We were motivated to improve their construction because this average-stretch is the dominant term in the complexity of a new solver for diagonally-dominant systems of equations.
We investigate their power relative to classical encodings in the model of one-way communication complexity and show that they can be exponentially more efficient, answering a long-standing open question in the area of quantum communication complexity.
Furthermore, we show how the theory developed for the study of quantum information can be employed in order to answer questions about classical coding theory and complexity by proving an exponential lower bound for 2-query Locally Decodable Codes.
www.cs.bu.edu /groups/theory/talk.html   (4609 words)

  
 CS 596, Fall 1997   (Site not responding. Last check: 2007-10-28)
The required text is a draft of a book on "Computability and Complexity Theory" by S. Homer and me. Purchase a copy at Makin' Copies in the UB Commons.
Do not rely on a copy from a student who took this course in a previous semester because I have made significant changes since then.
It would be optimal if in addition you have taken an undergraduate course in theory of computing, for example a course that covered the theory of finite automata and perhaps an exposure to Turing machines.
www.cs.buffalo.edu /~selman/courseintroduction1999.html   (1071 words)

  
 Complexity Zoo - Qwiki
In descriptive complexity, uniform AC can be characterized as the class of problems expressible by first-order predicates with addition and multiplication operators - or indeed, with ordering and multiplication, or ordering and division (see [Lee02]).
The class of problems solvable by a BPP machine that is given O(log n) advice bits, which can depend on both the machine's random coin flips and the input length n, but not on the input itself.
The class of languages recognized by a syntactic BQP machine with deterministic polynomial advice that depends only on the input length, such that the output is correct with probability 2/3 when the advice is good.
qwiki.caltech.edu /wiki/Complexity_Zoo   (8053 words)

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