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Intrinsic bounds on complexity and definability at limit levels

John Chisholm, Ekaterina B. Fokina, Sergey S. Goncharov, Valentina S. Harizanov, Julia F. Knight, Sara Quinn
2009 Journal of Symbolic Logic (JSL)  
We also show that for every computable limit ordinal α, there is a computable structure with an additional relation R that is intrinsically on , but not relatively intrinsically on (equivalently, it is  ...  not definable by a computable Σ α formula with finitely many parameters).  ...  This is a contradiction. 2 Intrinsic complexity at arbitrary computable limit ordinals In this section, we extend the results of the previous section to arbitrary computable limit ordinals.  ... 
doi:10.2178/jsl/1245158098 fatcat:swighvldknbpjnouhuj6ys2t4e

A design framework for all-digital mmWave massive MIMO with per-antenna nonlinearities [article]

Mohammed Abdelghany, Ali A. Farid, Upamanyu Madhow, Mark J. W. Rodwell
2020 arXiv   pre-print
nonlinearities via a quantity that we term the "intrinsic SNR", (b) using linear MMSE performance in an ideal system without nonlinearities to bound that in our non-ideal system.  ...  available precision of analog-to-digital conversion at high sampling rates, and nonlinearities in ultra-high speed radio frequency (RF) and baseband circuits.  ...  Use was made of the computational facilities administered by the Center for Scientific Computing at the CNSI and MRL (an NSF MRSEC; DMR-1720256) and purchased through NSF CNS-1725797.  ... 
arXiv:1912.11643v2 fatcat:kabblq2ugbbnxjdqep5ebqioc4

Intrinsically Motivated Learning of Real-World Sensorimotor Skills with Developmental Constraints [chapter]

Pierre-Yves Oudeyer, Adrien Baranes, Frédéric Kaplan
2012 Intrinsically Motivated Learning in Natural and Artificial Systems  
While intrinsic motivation, i.e. curiosity-driven learning, is a key mechanism to address this challenge, it has to be complemented and integrated with other developmental constraints, in particular: sensorimotor  ...  Three properties of real-world sensorimotor spaces provide important conceptual and technical challenges: unlearnability, high-dimensionality and unboundedness.  ...  Acknowledgements Many of the ideas presented in this paper benefitted from discussions and joint work with our colleagues, in particular Jérome Béchu, Fabien Benureau, Thomas Cederborg, Fabien Danieau  ... 
doi:10.1007/978-3-642-32375-1_13 fatcat:vpif7oyjx5hwha6plxbkugn4h4

Measures of Syntactic Complexity for Modeling Behavioral VHDL

Neal S. Stollon
1995 Proceedings - Design Automation Conference  
Aspects of the measure, including observed and estimated model length, volume, syntactic information, and abstraction level are defined and discussed.  ...  Experimental data on VHDL modeling and complexity measurement is presented, with potential model comprehensibility and resource estimation applications.  ...  complexity bounds.  ... 
doi:10.1109/dac.1995.250052 fatcat:vjatvewvxndgfcmqv4ihsmumum

The Effects of Bounding Rationality on the Performance and Learning of CHREST Agents in Tileworld [chapter]

Martyn Lloyd-Kelly, Peter C. R. Lane, Fernand Gobet
2014 Research and Development in Intelligent Systems XXXI  
The effects of bounding agents' visual input on learning and performance in various scenarios where the complexity of Tileworld is altered is analysed using computer simulations.  ...  In this paper, the CHREST architecture is implemented in agents situated in "Tileworld", a stochastic environment whose future state depends on both the actions of agents and factors intrinsic to the environment  ...  One of the crucial intrinsic factors which contributes to the stochastic nature of Tileworld is that the number of tiles and holes is not finite: new tiles and holes can be created at a defined time interval  ... 
doi:10.1007/978-3-319-12069-0_10 dblp:conf/sgai/Lloyd-KellyLG14 fatcat:li43qnkqcbeoncimsn27svlr3q

Simulated Thrombin Generation in the Presence of Surface-Bound Heparin and Circulating Tissue Factor

E. Victoria Dydek, Elliot L. Chaikof
2015 Annals of Biomedical Engineering  
This model was used to investigate the impact of surface bound heparin on thrombin generation with and without the additive effects of thrombomodulin (TM).  ...  Surface binding of factors V, VIII, IX, and X was included in order to more accurately simulate the formation of the surface complexes tenase and prothrombinase.  ...  ACKNOWLEDGEMENTS This work was supported by Grants from the National Institutes of Health (HL106018 and HL56819).  ... 
doi:10.1007/s10439-015-1377-5 pmid:26168717 pmcid:PMC4713373 fatcat:r4qq7yxvzvc3jnakyycdm5rvje

On the intrinsic complexity of learning recursive functions

Sanjay Jain, Efim Kinber, Christophe Papazian, Carl Smith, Rolf Wiehagen
2003 Information and Computation  
Furthermore, the structure of the intrinsic complexity is shown to be much richer than the structure of the mind change complexity, though in general, intrinsic complexity and mind change complexity can  ...  The intrinsic complexity of learning compares the difficulty of learning classes of objects by using some reducibility notion.  ...  The fourth and the fifth author would like to thank the Deutsche Forschungsgemeinschaft (DFG) for supporting a guest professorship of the fourth author at the University of Kaiserslautern.  ... 
doi:10.1016/s0890-5401(03)00059-2 fatcat:qmmhsg6a3fb35cry6hgislqn6u

On the intrinsic complexity of learning recursive functions

Efim Kinber, Christophe Papazian, Carl Smith, Rolf Wiehagen
1999 Proceedings of the twelfth annual conference on Computational learning theory - COLT '99  
Furthermore, the structure of the intrinsic complexity is shown to be much richer than the structure of the mind change complexity, though in general, intrinsic complexity and mind change complexity can  ...  The intrinsic complexity of learning compares the difficulty of learning classes of objects by using some reducibility notion.  ...  The fourth and the fifth author would like to thank the Deutsche Forschungsgemeinschaft (DFG) for supporting a guest professorship of the fourth author at the University of Kaiserslautern.  ... 
doi:10.1145/307400.307465 dblp:conf/colt/KinberPSW99 fatcat:drwnfsvxxbfolehubnh5xs4ida

Will a small randomly assembled community be feasible and stable?

Chuliang Song, Serguei Saavedra
2018 Ecology  
In particular, we demonstrate that not all parameterizations and sampling distributions of intrinsic growth rates lead to the same probabilities of stability and feasibility, which could mistakenly lead  ...  Here, we show that the origin of this debate has been the underestimation of the association of the parameter space of intrinsic growth rates with the feasibility and stability properties of small randomly-assembled  ...  Rohr, and Lewi Stone for insightful discussions about a previous version of this manuscript. Funding to S. Saavedra was provided by the MIT Research Committee Funds and the Mitsui Chair.  ... 
doi:10.1002/ecy.2125 pmid:29285752 fatcat:oyj6uvmuvvhu3mjuu62qnpp5di

An Overview of Hemostasis

G. Daniel Boon
1993 Toxicologic pathology (Print)  
Plasma FVIIa does not express proteolytic activity unless it is bound to tissue factor; thus, FVIIa at normal blood level has no significant activity toward either FIX or FX prior to its binding to tissue  ...  [which utilize the proteases factor IXa (FIXa), FXa, and FVIIa] and one anticoagulant vitamin Kdependent complex [1, 2] (Figure 1.1 ).  ... 
doi:10.1177/019262339302100209 pmid:8210939 fatcat:y5njw4z2arhsjgrqybopjyalaa

Activation of an unusual G-protein in the simple protistTrichomonas vaginalis

Daisuke Urano, Yan Fu, Alan M. Jones
2013 Cell Cycle  
, GPCR-dependent activation is limited to Unikonts, defined below, 4-6 despite the presence of canonical G protein subunits (Gα, Gβ, and Gγ) broadly throughout eukaryotes (Fig. 1A) . 6 For example,  ...  For example, compare the Gα subunits of the animal and plant heterotrimeric G-protein complex.  ... 
doi:10.4161/cc.26350 pmid:24013419 pmcid:PMC3865004 fatcat:qsoplbj3ojbpff55wsoblvdir4

Measures of syntactic complexity for modeling behavioral VHDL

Neal S. Stollon, John D. Provence
1995 Proceedings of the 32nd ACM/IEEE conference on Design automation conference - DAC '95  
Aspects of the measure, including observed and estimated model length, volume, syntactic information, and abstraction level are defined and discussed.  ...  Experimental data on VHDL modeling and complexity measurement is presented, with potential model comprehensibility and resource estimation applications.  ...  complexity bounds.  ... 
doi:10.1145/217474.217611 dblp:conf/dac/StollonP95 fatcat:yuq5pmcwyvhmffuvmxrqpk77ru

RNA polymerase: A nexus of gene regulation

John D. Helmann
2009 Methods  
The net effect of these transcriptional regulators is to determine which genes are transcribed, and at what levels, under any specific growth condition.  ...  The techniques presented in this volume provide a set of tools and approaches for investigating the factors controlling RNAP activity at both individual promoters and on a genomic scale.  ...  Work on transcriptional control mechanisms in the Helmann laboratory is supported by grants from the NIH (GM-047446 and GM-059323) and the NSF (MCB-0640616).  ... 
doi:10.1016/j.ymeth.2008.12.001 pmid:19070783 pmcid:PMC3022018 fatcat:yewbl34fkngvxbpskpdo3tvfxm

Intrinsic vortex pinning in superconducting quasicrystals [article]

Yuki Nagai
2022 arXiv   pre-print
We develop a numerical method to solve the Bogoliubov-de Gennes equations and gap equations in large systems, which is based on the localized-Krylov subspace and a sparse modeling technique.  ...  This vortex pinning is intrinsic since the superconducting order parameter in quasicrystal is always inhomogeneous due to the lack of the translational symmetry.  ...  ACKNOWLEDGMENTS YN was partially supported by JSPS-KAKENHI Grant Numbers 18K11345 and 20H05278.  ... 
arXiv:2111.13288v2 fatcat:6m7nyg32ujfi5ixos2nl55iwri

Reduction of intrinsic kinetic and thermodynamic barriers for enzyme-catalysed proton transfers from carbon acid substrates

Stephen L. Bearne, Raymond J. Spiteri
2005 Journal of Theoretical Biology  
This work was supported by discovery grants from the Natural Sciences and Engineering Research Council of Canada (NSERC) to both S.L.B. and R.J.S.  ...  Peter Guthrie for his critical reading of our manuscript and his thoughtful comments.  ...  shows examples of lines that intersect the level curves at values of ∆G ‡ int and ∆G° that yield constant values of x ‡ .  ... 
doi:10.1016/j.jtbi.2004.11.003 pmid:15748916 fatcat:7yfgo4ajjbfcrcbop7hpjdqcuu
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