A general rank based approach to the analysis of block data

1999 ◽  
Vol 28 (1) ◽  
pp. 197-215 ◽  
Author(s):  
Mayer Alvo ◽  
Paul Cabilio
Keyword(s):  



2020 ◽  
Vol 2020 (10) ◽  
Author(s):  
Naotaka Kubo

Abstract It is known that matrix models computing the partition functions of three-dimensional $$ \mathcal{N} $$ N = 4 superconformal Chern-Simons theories described by circular quiver diagrams can be written as the partition functions of ideal Fermi gases when all the nodes have equal ranks. We extend this approach to rank deformed theories. The resulting matrix models factorize into factors depending only on the relative ranks in addition to the Fermi gas factors. We find that this factorization plays a critical role in showing the equality of the partition functions of dual theories related by the Hanany-Witten transition. Furthermore, we show that the inverses of the density matrices of the ideal Fermi gases can be simplified and regarded as quantum curves as in the case without rank deformations. We also comment on four nodes theories using our results.



2018 ◽  
Vol 7 (2) ◽  
pp. 150-171
Author(s):  
Ganesh R. ◽  
Naresh Gopal ◽  
Thiyagarajan S.

Purpose The purpose of this paper is to examine industry herding among the institutional investors and to find whether their herding behaviour is intentional or unintentional. Design/methodology/approach The study uses Lakonishok et al. (1992) model to examine the presence of industry herding behaviour among institutional investors. To determine whether the herding observed is intentional or unintentional, herding measure is regressed with volatility, volume, beta and return. The period of the study is from 1 April 2005-31 March 2015. Findings The findings of the study showed that though institutional investors have herding tendency towards most of the industries, in the overall period industry herding was not significant. The herding found in some industrial sectors was linked to economic performance of those sectors in India during the period of study and hence the herding was unintentional in nature. Research limitations/implications This is the first attempt to study industry herding among institutional investors and their intent in Indian market ever since the country opened its market to foreign investors in a big way. Present study is limited to the use of only bulk/block data instead of the entire trading data for the period. Originality/value This study is the first attempt to investigate industry herding behaviour of institutional investors in the market using their bulk and block trading data. The herding observed in well performing industries has been shown to be unintentional and hence rational. The results indicate that the entry of big institutional investors, including foreign institutions into the Indian market has not destabilised the market by irrational herding.



2021 ◽  
pp. 129716
Author(s):  
Gustavo Galo Marcheafave ◽  
Cláudia Domiciano Tormena ◽  
Amelia Elena Terrile ◽  
Carlos Alberto Rossi Salamanca-Neto ◽  
Elen Romão Sartori ◽  
...  


Author(s):  
KALASHNIKOV D. ◽  
◽  
SITNIKOV S. ◽  
SEMIBRATOV V. ◽  
CHUDILIN I. ◽  
...  

The study of materials obtained during emergency work on the territory of the former Nagorny cemetery in Barnaul in 2015-2016 continues. This article attempts to determine the rank of the official whose burial was discovered in the autumn of 2015. The identification is carried out by the uniform of dark blue cloth preserved on the remains of the official with full gold embroidery on the collar and cuffs, indicating that he belongs to the Mining Department and general rank. The work is complicated by the incomplete preservation of the uniform and numerous changes in the uniform of the officials of the Mining Department throughout the 19th century. In the future, when determining the specific rank and time of existence of a uniform of this cut, it is possible to establish a fairly reliable identity. The number of employees of this rank in Barnaul was insignificant. The record of the official’s death was to be preserved in the metrical registers of one of the city’s most important churches. Keywords: Barnaul, Nagorny cemetery, emergency work, study of finds, uniform of the mining department, departmental gold embroidery, establishment of the rank of the buried engineer



2018 ◽  
Vol 90 (22) ◽  
pp. 13400-13408 ◽  
Author(s):  
Stacey N. Reinke ◽  
Beatriz Galindo-Prieto ◽  
Tomas Skotare ◽  
David I. Broadhurst ◽  
Akul Singhania ◽  
...  


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