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Stability and Complexity in Model Ecosystems
, 2019What makes populations stabilize? What makes them fluctuate? Are populations in complex ecosystems more stable than populations in simple ecosystems? In , Robert May addressed these questions in this monograph that has since become a classic. Trained
R. May
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The Knowledge Complexity of Interactive Proof Systems
SIAM journal on computing (Print), 1989Usually, a proof of a theorem contains more knowledge than the mere fact that the theorem is true. For instance, to prove that a graph is Hamiltonian it suffices to exhibit a Hamiltonian tour in it; however, this seems to contain more knowledge than the ...
S. Goldwasser, S. Micali, C. Rackoff
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Model complexity of deep learning: a survey
Knowledge and Information Systems, 2021Model complexity is a fundamental problem in deep learning. In this paper, we conduct a systematic overview of the latest studies on model complexity in deep learning.
Xia Hu +4 more
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COMPLEXITY IN THE MAJOR HISTOCOMPATIBILITY COMPLEX
International Journal of Immunogenetics, 1992SUMMARYThe human major histocompatibility complex (MHC) is one of the most intensively studied regions of the human genome, containing over 70 known genes and spanning about 4 million base pairs (4Mbp) of DNA on chromosome 6p21.3 (Klein, 1986). It can be divided up into three regions: the class I region (telomeric), the class II region (centromeric ...
J, Trowsdale, R D, Campbell
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Computational Complexity and Knowledge Complexity
SIAM Journal on Computing, 1998Summary: We study the computational complexity of languages which have interactive proofs of logarithmic knowledge complexity. We show that all such languages can be recognized in \({\mathcal {BPP}}^{\mathcal {NP}}\). Prior to this work, for languages with greater-than-zero knowledge complexity only trivial computational complexity bounds were known ...
Goldreich, Oded +2 more
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The ethics of complexity and the complexity of ethics
South African Journal of Philosophy, 2012In this paper, we investigate the implications that a general view of complexity - i.e. the view that complex phenomena are irreducible - hold for our understanding of ethics. In this view, ethics should be conceived of as constitutive of knowledge and identity, rather than as a normative system that dictates right action.
Minka Woermann, Paul Cilliers
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Groundwater, 2006
Abstract It is difficult to define complexity in modeling. Complexity is often associated with uncertainty since modeling uncertainty is an intrinsically difficult task. However, modeling uncertainty does not require, necessarily, complex models, in the sense of a model requiring an unmanageable number of degrees of freedom to ...
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Abstract It is difficult to define complexity in modeling. Complexity is often associated with uncertainty since modeling uncertainty is an intrinsically difficult task. However, modeling uncertainty does not require, necessarily, complex models, in the sense of a model requiring an unmanageable number of degrees of freedom to ...
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Cancer and bone: A complex complex
Archives of Biochemistry and Biophysics, 2014Primary and secondary bone cancers are rare events. However, once settled, a complex process is started involving an extensive amount of factors and interactions. The bone micro-environment is a preferential site for (metastatic) tumor cells to enter, stay, colonize and expand.
Driel, Marjolein, van Leeuwen, Hans
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Complex signal processing is not-complex
The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS '04., 2004Wireless systems often make use of the quadrature relationship between pairs of signals to effectively cancel out-of-band and interfering in-band signal components. The understanding of these systems is often simplified by considering both the signals and system transfer functions as "complex" quantities.
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The transcriptional complexity of the TFIIH complex
Trends in Genetics, 2003Mutations in some subunits of the basal DNA repair and transcription factor II H (TFIIH) are involved in several human genetic disorders. Transcription factor II H interacts with a variety of factors during transcription, including nuclear receptors, tissue-specific transcription factors, chromatin remodeling complexes and RNA, suggesting that, in ...
Mario, Zurita, Carlos, Merino
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