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Jurnal Lasallian Vol. 8 No. 2 Bulan September Tahun 2011

2013-01-21 12:47:53 - Posted by admin - Hits : 2267

Analisis Pengaruh Faktor Makro Ekonomi Terhadap Return Saham

di Bursa Efek Indonesia Periode 2007-2009

(Joseph J.A. Turambi)

 

Abstract

In portfolio theory there are two (2) equilibrium model: a balance that is called the Capital Asset Pricing Model (CAPM), and Arbitrage Pricing Theory (APT). CAPM is an equilibrium model that describes the relationship of risk and return in a more simple, because it only uses one variable (also called beta variables) to describe risk. While the APT model is an alternative equilibrium model which is more complex than the CAPM, as it uses several variables measuring the risk to explain the relationship of risk and return.

Keywords: Capital Asset Pricing Model (CAPM), Arbitrage Pricing Theory (APT)

 

 




Construction of Infinite Family of 2-Crossing-Critical Graphs UsingZip Product


(Benny Pinontoan)

 

Abstract

Crossing number of a graph is the minimal number of crossings among all the drawings of the graph. Many infinite sequences of graphs can be made up by gluing small pieces. Bokal (2010) introduced the operation zip product of graphs. This paper shows the construction of infinite family of 2-crossing-critical graphs of Kochol (1987) using zip product.

 

Abstrak

Angka perpotongan graf adalah jumlah perpotongan terkecil dari semua gambar graf pada bidang. Banyak barisan tak hingga dari graf yang bisa dibangun dengan cara melekat-lekatkankan bagian kecil. Bokal (2010) memperkenalkan operasi zip product pada graf. Dengan menggunakan zip product, makalah ini menyajikan konstruksi barisan tak hingga graf perpotongan-kritis 2.

Keywords: Tiles, zip product, crossing critical, crossing number.





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