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Results 1 - 10
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17,299
Kodaira-Spencer theory of gravity and exact results for quantum string amplitudes
- Commun. Math. Phys
, 1994
"... We develop techniques to compute higher loop string amplitudes for twisted N = 2 theories with ĉ = 3 (i.e. the critical case). An important ingredient is the discovery of an anomaly at every genus in decoupling of BRST trivial states, captured to all orders by a master anomaly equation. In a particu ..."
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Cited by 540 (59 self)
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We develop techniques to compute higher loop string amplitudes for twisted N = 2 theories with ĉ = 3 (i.e. the critical case). An important ingredient is the discovery of an anomaly at every genus in decoupling of BRST trivial states, captured to all orders by a master anomaly equation. In a
On limits of wireless communications in a fading environment when using multiple antennas
- Wireless Personal Communications
, 1998
"... Abstract. This paper is motivated by the need for fundamental understanding of ultimate limits of bandwidth efficient delivery of higher bit-rates in digital wireless communications and to also begin to look into how these limits might be approached. We examine exploitation of multi-element array (M ..."
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Cited by 2426 (14 self)
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(MEA) technology, that is processing the spatial dimension (not just the time dimension) to improve wireless capacities in certain applications. Specifically, we present some basic information theory results that promise great advantages of using MEAs in wireless LANs and building to building wireless
Social capital, intellectual capital, and the organizational advantage
- Academy of Management Review
, 1998
"... Scholars of the theory of the firm have begun to emphasize the sources and conditions of what has been described a s "the organizational advantage, " rather than focus on the causes and consequences of market failure. Typically, researchers see such organizational advantage a s accruing fr ..."
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Cited by 1215 (2 self)
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in the form of a series of hypothesized relation-ships between different dimensions of social capital and the main mechanisms and processes necessary for the creation of intellectual capital. Kogut and Zander recently have proposed "that a firm be understood a s a social commu-nity specializing
Stable Fluids
, 1999
"... Building animation tools for fluid-like motions is an important and challenging problem with many applications in computer graphics. The use of physics-based models for fluid flow can greatly assist in creating such tools. Physical models, unlike key frame or procedural based techniques, permit an a ..."
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Cited by 568 (9 self)
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Building animation tools for fluid-like motions is an important and challenging problem with many applications in computer graphics. The use of physics-based models for fluid flow can greatly assist in creating such tools. Physical models, unlike key frame or procedural based techniques, permit
Important dimensions influencing employee engagement in organizations of Pakistan
, 2015
"... Abstract Employee engagement is one of the significant issues in modern business world. The purpose of study is to identify the important dimensions in organizations which influence employee engagement, to overcome the difficulty while engaging employment and developing effective strategies by orga ..."
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Abstract Employee engagement is one of the significant issues in modern business world. The purpose of study is to identify the important dimensions in organizations which influence employee engagement, to overcome the difficulty while engaging employment and developing effective strategies
Monetary policy and asset price volatility
- CHALLENGES FOR MONETARY POLICY, PROCEEDINGS OF THE 19 TH JACKSON HOLE CONFERENCE
, 1999
"... During the past 20 years, the world’s major central banks have been largely successful at bringing inflation under control. Although it is premature to suggest that inflation is no longer an issue of great concern, it is quite conceivable that the next battles facing central bankers will lie on a di ..."
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Cited by 407 (6 self)
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different front. One development that has already concentrated the minds of policymakers is an apparent increase in financial instability, of which one important dimension is increased volatility of asset prices. Borio, Kennedy, and Prowse (1994), among others, document the emergence of major boom
Individualism: A Valid and Important Dimension of Cultural Differences between Nations
- Personality and Social Psychology Review
, 2005
"... the measurement of individualism and collectivism. Studies using Hofstede’s individ-ualism scores show little convergent validity with more recent measures of individual-ism and collectivism. We propose that the lack of convergent validity is due to national differences in response styles. Whereas H ..."
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Cited by 56 (2 self)
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Hofstede statistically controlled for response styles, Oyserman et al.’s meta-analysis relied on uncorrected ratings. Data from an international student survey demonstrated convergent validity between Hofstede’s individualism dimension and horizontal individualism when response styles were sta
What Is Coefficient alpha? An Examination of Theory and Applications
- Journal of Applied Psychology
, 1993
"... Psychological research involving scale construction has been hindered considerably by a wide-spread lack of understanding of coefficient alpha and reliability theory in general. A discussion of the assumptions and meaning of coefficient alpha is presented. This discussion is followed by a demonstrat ..."
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Cited by 393 (0 self)
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demonstration of the effects of test length and dimensionality on alpha by calculating the statistic for hypothetical tests with varying numbers of items, numbers of orthogonal dimensions, and average item intercorrelations. Recommendations for the proper use of coefficient alpha are of-fered. Coefficient alpha
Estimation and Inference in Large Heterogeneous Panels with a Multifactor Error Structure
, 2004
"... This paper presents a new approach to estimation and inference in panel data models with a multifactor error structure where the unobserved common factors are (possibly) correlated with exogenously given individual-specific regressors, and the factor loadings differ over the cross section units. The ..."
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Cited by 383 (44 self)
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→∞, with T (the time-series dimension) fixed or as N and T →∞(jointly) are derived under different regularity conditions. One important feature of the proposed CCE mean group (CCEMG) estimator is its invariance to the (unknown but fixed) number of unobserved common factors as N and T →∞(jointly). The small sample
Image Representation Using 2D Gabor Wavelets
- IEEE Trans. Pattern Analysis and Machine Intelligence
, 1996
"... This paper extends to two dimensions the frame criterion developed by Daubechies for one-dimensional wavelets, and it computes the frame bounds for the particular case of 2D Gabor wavelets. Completeness criteria for 2D Gabor image representations are important because of their increasing role in man ..."
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Cited by 375 (4 self)
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This paper extends to two dimensions the frame criterion developed by Daubechies for one-dimensional wavelets, and it computes the frame bounds for the particular case of 2D Gabor wavelets. Completeness criteria for 2D Gabor image representations are important because of their increasing role
Results 1 - 10
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17,299
