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Search Results: 1 - 10 of 32828 matches for " Daniel Kanter "
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Z t Kutuplarda ki Garip Kahraman: Fahim Bey Ve Vam k Bey ( Two Grotesque Heroes in Polar Sides: Fahim Bey and Vam k Bey)
Fatih Kanter
Bal?kesir üniversitesi Sosyal Bilimler Dergisi , 2007,
Abstract: Two Grotesque Heroes in Polar Sides: Fahim Bey andVam k BeyAra t rman n Temelleri: Abdülhak inasi Hisar has an important place in the Republican Turkish novel with his own style.Ara t rman n Amac : Fahim Bey and Vam k Bey are heroes in polarsides, having the features of different people. The only common feature of these heroes in that they are “grotesque”.Veri Kaynaklar : The types he created in “Fahim Bey ve Biz” and “ aml cadaki Eni temiz” are important for specifying his place in the Turkish novelAna Tart ma: In this study, Abdülhak inasi Hisar’s protagonists in “Fahim Bey ve Biz” and “ aml cadaki Eni temiz”, that is Fahim Bey and Vam k Bey, are compared and contrasted.Sonu lar: Abdülhak inasi Hisar’s mastership in creating typesisseen in both of the novels.
A computational paradigm for dynamic logic-gates in neuronal activity
Ido Kanter
Frontiers in Computational Neuroscience , 2014, DOI: 10.3389/fncom.2014.00052
Abstract: In 1943 McCulloch and Pitts suggested that the brain is composed of reliable logic-gates similar to the logic at the core of today's computers. This framework had a limited impact on neuroscience, since neurons exhibit far richer dynamics. Here we propose a new experimentally corroborated paradigm in which the truth tables of the brain's logic-gates are time dependent, i.e. dynamic logic-gates (DLGs). The truth tables of the DLGs depend on the history of their activity and the stimulation frequencies of their input neurons. Our experimental results are based on a procedure where conditioned stimulations were enforced on circuits of neurons embedded within a large-scale network of cortical cells in-vitro. We demonstrate that the underlying biological mechanism is the unavoidable increase of neuronal response latencies to ongoing stimulations, which imposes a non-uniform gradual stretching of network delays. The limited experimental results are confirmed and extended by simulations and theoretical arguments based on identical neurons with a fixed increase of the neuronal response latency per evoked spike. We anticipate our results to lead to better understanding of the suitability of this computational paradigm to account for the brain's functionalities and will require the development of new systematic mathematical methods beyond the methods developed for traditional Boolean algebra.
Sudden synchrony leaps accompanied by frequency multiplications in neuronal activity
Ido Kanter
Frontiers in Neural Circuits , 2013, DOI: 10.3389/fncir.2013.00176
Abstract: A classical view of neural coding relies on temporal firing synchrony among functional groups of neurons, however, the underlying mechanism remains an enigma. Here we experimentally demonstrate a mechanism where time-lags among neuronal spiking leap from several tens of milliseconds to nearly zero-lag synchrony. It also allows sudden leaps out of synchrony, hence forming short epochs of synchrony. Our results are based on an experimental procedure where conditioned stimulations were enforced on circuits of neurons embedded within a large-scale network of cortical cells in vitro and are corroborated by simulations of neuronal populations. The underlying biological mechanisms are the unavoidable increase of the neuronal response latency to ongoing stimulations and temporal or spatial summation required to generate evoked spikes. These sudden leaps in and out of synchrony may be accompanied by multiplications of the neuronal firing frequency, hence offering reliable information-bearing indicators which may bridge between the two principal neuronal coding paradigms.
Computation of Yukawa Couplings for Calabi-Yau Hypersurfaces in Weighted Projective Spaces
Yakov Kanter
Physics , 1994, DOI: 10.1016/0370-2693(94)91367-6
Abstract: Greene, Morrison and Plesser \cite{GMP} have recently suggested a general method for constructing a mirror map between a $d$-dimensional Calabi-Yau hypersurface and its mirror partner for $d > 3$. We apply their method to smooth hypersurfaces in weighted projective spaces and compute the Chern numbers of holomorphic curves on these hypersurfaces. As anticipated, the results satisfy nontrivial integrality constraints. These examples differ from those studied previously in that standard methods of algebraic geometry which work in the ordinary projective space case for low degree curves are not generally applicable. In the limited special cases in which they do work we can get independent predictions, and we find agreement with our results.
Gauss-Lucas Theorems for Entire Functions on CM
Marek Kanter
Mathematics , 2012,
Abstract: A Gauss-Lucas theorem is proved for multivariate entire functions, using a natural notion of separate convexity to obtain sharp results. Previous work in this area is mostly restricted to univariate entire functions (of genus no greater than one unless "realness" assumptions are made.) The present work applies to multivariate entire functions whose one dimensional sections can be written as a monomial times a canonical product of arbitrary genus. Essential use is made of the Levy-Steinitz theorem for conditionally convergent real number series.
Multivariate Gauss-Lucas Theorems
Marek Kanter
Mathematics , 2012,
Abstract: A multivariate Gauss-Lucas theorem is proved, sharpening and generalizing previous results on this topic. The theorem is stated in terms of a seemingly new notion of convexity. Applications to multivariate stable polynomials are given.
Secure exchange of information by synchronization of neural networks
I. Kanter,W. Kinzel,E. Kanter
Physics , 2002, DOI: 10.1209/epl/i2002-00552-9
Abstract: A connection between the theory of neural networks and cryptography is presented. A new phenomenon, namely synchronization of neural networks is leading to a new method of exchange of secret messages. Numerical simulations show that two artificial networks being trained by Hebbian learning rule on their mutual outputs develop an antiparallel state of their synaptic weights. The synchronized weights are used to construct an ephemeral key exchange protocol for a secure transmission of secret data. It is shown that an opponent who knows the protocol and all details of any transmission of the data has no chance to decrypt the secret message, since tracking the weights is a hard problem compared to synchronization. The complexity of the generation of the secure channel is linear with the size of the network.
The use of standardized patients for mock oral board exams in neurology: a pilot study
Brett Kissela, Steven Harris, Dawn Kleindorfer, Christopher Lindsell, Robert Pascuzzi, Daniel Woo, Jerzy Szaflarski, Daniel Kanter, Alex Schneider, Michael Sostok, Joseph Broderick
BMC Medical Education , 2006, DOI: 10.1186/1472-6920-6-22
Abstract: Three cases were created and then used for this mock oral boards exercise utilizing trained standardized patients. Residents from the University of Cincinnati and Indiana University participated in the exam. Residents were scored by attending physician examiners who directly observed the encounter with the standardized patient. The standardized patient also assessed each resident. A post-test survey was administered to ascertain participant's satisfaction with the examination process.Resident scores were grouped within one standard deviation of the mean, with the exception of one resident who was also subjectively felt to "fail" the exam. In exams with two faculty "evaluators", scores were highly correlated. The survey showed satisfaction with the examination process in general.Standardized patients can be used for mock oral boards in the live patient format. Our initial experience with this examination process was positive. Further testing is needed to determine if this examination format is more reliable and valid than traditional methods of assessing resident competency.Currently, the American Board of Psychiatry and Neurology (ABPN) utilizes a live patient hour as one form of assessing candidates during the Step Two examination. This includes thirty minutes for the candidate to obtain a history and perform a physical examination on a patient with a neurologic disorder, and is followed by questioning in which candidates explain their thought process for evaluating the patient. Concerns have been raised about the reliability and validity of this exam, since the experience is not standardized. For example, some patients may openly reveal their diagnosis, or the diagnosis may be more readily evident than for other patients. For these reasons, the ABPN plans to replace the patient hour with other forms of assessment by 2008.[1]Residency programs commonly test their residents in "mock oral board exercises" that simulate the ABPN patient hour, using actual patients wit
Turkish Studies , 2009,
Abstract: Yaprak D kümü is a novel treating the dimensions of social disintegration in the modernisation process of Turkish society within the context of family (institution). Values that have been lost parallel to social change, are reflected by taking Ali R za Bey and his family as a model. In the novel, reflection of the change process to the individuals in the society is evaluated together with the time components. In the novel Yaprak D kümü, besides the cultural disintegration, losing the patriarchal (fatherhood)authority of Ali R za Bey determines the thematic formation. In the light of these themes, social and individual disintegration is presented as a critical view to Turkish modernisation process. Yaprak D kümü, Türk modernle me sürecinde toplumsal zülmenin boyutlar n aile düzeyinde irdeleyen bir romand r. Toplumsal de i imle birlikte yitirilen de erler Ali R za Bey ve ailesi model al narak yans t l r. Romanda de i im sürecinin toplumdaki bireylere yans mas sosyal zaman unsurlar yla birlikte de erlendirilir.Yaprak D kümü roman nda kültürel zülmenin yan s ra Ali R za Bey’in babal k otoritesini yitirmesi izleksel kurguyu belirler. Bu izlekler nda toplumsal ve bireysel zülme, Türk modernle me sürecine ele tirel bir bak olarak sunulur.
Turkish Studies , 2011,
Abstract: Utopia results from individual’s desire to shelter from real to imaginary. Betimes, individual restricted with the world wants to cross these limits. Artists who especially force prosaic borders of life choose to escape from real world. Imaginary spaces that take part as utopia or utopic settings in the world literature also become the refuge of many artists of Turkish literature. Utopic spaces source the poems of Tevfik Fikret, a Servet-i Fün n poet, and Ahmet Ha im, a Fecr-i Ati poet. These utopic spaces leading way to escape from reality are concretized in poems like mr-i Muhayyel and O Belde. It is also possible to encounter with imaginary spaces based on “escaping” in the other poems of Fikret and Ha im. In this study, the utopia is discussed in the context of escaping theme and desire to shelter into imaginary. ütopya, bireyin reel olandan hayali olana s nma arzusundan kaynaklan r. Dünya ile s n rlanan insan zaman zaman bu s n rlar a mak ister. zellikle ya am n tekdüze s n rlar n zorlayan sanatkarlar reel dünyadan ka yolunu se erler. Dünya edebiyat nda ütopya ya da ütopik mekan olarak anlat larda yer alan hayali mekanlar Türk edebiyat nda da bir ok sanatkar n s na olur. ütopik mekanlar, Servet-i Fün n d nemi airlerinden Tevfik Fikret’in ve Fecr-i Ati d nemi airlerinden Ahmet Ha im’in iirlerine kaynakl k eder. Fikret’te ve Ha im’de realiteden ka olarak g rülen ütopik mekanlar, zellikle mr-i Muhayyel ve O Belde gibi belirli iirlerde somutla t r l r. Fikret’in ve Ha im’in di er iirlerinde de “ka ” merkezli bir hayali mekan aray na rastlamak mümkündür. Bu al mada Tevfik Fikret ve Ahmet Ha im’in iirlerindeki ütopya, ka izle i ve hayale s nma arzusundan hareketle ele al nm t r.
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