The Stocks Market Overreaction On The Kuala Lumpur Stock Exchange (Klse)

Kajian ini ialah untuk menguji saham-saham Malaysia yang telah bertindak melampaui batas pengembalian dari tempoh Januari sampai Desember 1997. Objektif utama ialah (1) untuk menguji apakah saham-saharn yang telah bertindak baik pada periode yang lalu (pemenang) akan bertindak buruk pada Jangka waktu yang akan datang (kekalahan) dan saham yang telah bertindak buruk (kekalahan) akan bertindak baik pada jangka waktu yang akan datang (pemenang), apa yang telah dijelaskan oleh hipotesis kelampauan batas. This paper examines the short run overreaction in Malaysian stocks returns from January to December 1997. The main objectives of this study are (1) to examine whether stocks which perfonned extremely well in recent past (winners) tend to do less well in the following period and stocks which performed extremely bad in a period (losers) will perform better in the next period as claimed by the overreaction hypothesis

Political culture in transition: Changing values and consolidation of democratic rule in Slovenia 1991-2004

In the present article I will discuss cetrain implications of regime change in political culture. The main research question will attempt to address how transition from an authoritarian rule to a democratic model of government affects the structure of political culture. I will demonstrate the empirical implications of my argument taking the case of democratization in Slovenia between 1991 and 2004. In order to do so I will analyze statistical data sets 'Values in Transition' compiled by the Public Opinion and Mass Communication Research Center at the University of Ljubljana. 本論文では、政権交代が政治文化に及ぼす影響を論じる。特に民主化が進行する中での政治文化の構造変化を考察する。具体的には、1991年から2004年までスロベニアでの民主化のケースを取り上げ、リュブリャナ大学の世論マスコミ研究所が集計した統計データを分析し、民主主義や共産主義の政治価値の変化を検討する。departmental bulletin pape

Structures in BC_N Ruijsenaars-Schneider models

We construct the classical r-matrix structure for the Lax formulation of BC_N Ruijsenaars-Schneider systems proposed in hep-th 0006004. The r-matrix structure takes a quadratic form similar to the A_N Ruijsenaars-Schneider Poisson bracket behavior, although the dynamical dependence is more complicated. Commuting Hamiltonians stemming from the BC_N Ruijsenaars-Schneider Lax matrix are shown to be linear combinations of particular Koornwinder-van Diejen ``external fields'' Ruijsenaars-Schneider models, for specific values of the exponential one-body couplings. Uniqueness of such commuting Hamiltonians is established once the first of them and the general analytic structure are given.Comment: 18 pages, gzip latex fil

Contextual-Dependent Attention Effect on Crowded Orientation Signals in Human Visual Cortex

A target becomes hard to identify with nearby visual stimuli. This phenomenon, known as crowding, places a fundamental limit on conscious perception and object recognition. To understand the neural representation of crowded stimuli, we used fMRI and a forward encoding model to reconstruct the target-specific feature from multivoxel activation patterns evoked by orientation patches. Orientation-selective response profiles were constructed in V1–V4 for a target embedded in different contexts. Subjects of both sexes either directed their attention over all the orientation patches or selectively to the target. In the context with a weak crowding effect, attending to the target enhanced the orientation selectivity of the response profile; such effect increased along the visual pathway. In the context with a strong crowding effect, attending to the target enhanced the orientation selectivity of the response profile in the earlier visual area, but not in V4. The increase and decrease of orientation selectivity along the visual hierarchy demonstrate a contextual-dependent attention effect on crowded orientation signals: in the context with a weak crowding effect, selective attention gradually resolves the target from nearby distractors along the hierarchy; in the context with a strong crowding effect, while selective attention maintains the target feature in the earlier visual area, its effect decreases in the downstream area. Our findings reveal how the human visual system represents the target-specific feature at multiple stages under the limit of attention selection in a cluttered scene

Miniatur Access Control Ruang Kuliah dengan Menggunakan Smart Card

Pada penelitian ini dibuat suatu alat berupa miniatur access control ruang kuliah dengan menggunakan smart card. Alat ini yang diharapkan mampu membatasi access control pada ruang kuliah terdiri atas: smart card socket, mikrokontroler, SD card, LCD, relay, keypad, kunci pintu elektronik, dan RTC, serta beberapa aplikasi yang mungkin untuk digunakan dalam suatu ruang kuliah. Pengguna smart card (dosen atau pertugas cleaning service, cs) dapat memasukkan smart card (memasukkan smart card satu per satu) ke dalam socket smart card. Mikrokontroler yang telah terhubung dengan socket smart card akan mampu mengenali smart card yang dimasukkan dan akan membuka kunci pintu kemudian mengaktifkan fasilitas yang digunakan sesuai klasifikasi pengguna smart card tersebut. Dan juga pada saat ruang yang diakses akan ada pencatatan pada SD card. Pencatatan pada SD card berupa nama, waktu masuk, dan waktu ke luar. Penelitian ini dilakukan dengan cara memasukkan smart card satu per satu ke dalam smart card socket dan kemudian melihat hasil pencatatan di SD card dengan menggunakan komputer. Dari hasil penelitian disimpulkan bahwa pembacaan smart card dan pencatatan pada SD card sudah berhasil dengan baik. Dengan pembacaan smart card dan pencatatan SD card dapat disimpulkan bahwa alat secara keseluruhan dapat berfungsi dengan baik

Classical R-matrix structure for the Calogero model

A classical R-matrix structure is described for the Lax representation of the integrable n-particle chains of Calogero-Olshanetski-Perelo\-mov. This R-matrix is dynamical, non antisymmetric and non-invertible. It immediately triggers the integrability of the Type I, II and III potentials, and the algebraic structures associated with the Type V potential.Comment: Latex file 9 page

Huge decreases in the risk of breast cancer relapse over the last three decades

Introduction The aim of this study was to evaluate local and systemic breast cancer control by comparing the risk of relapse in breast cancer patients in 2003–2004 with that in 1972–1979 and in 1980–1986. Methods About 8,570 women diagnosed with invasive breast cancer in 2003–2004 were selected from the population-based Netherlands Cancer Registry and compared with 133 patients treated in 1972–1979 and 174 in 1980–1986. Five-year risk of relapse was calculated by the Kaplan–Meier method. Cox-proportional hazard models were applied to adjust for tumour size, nodal status and age at diagnosis. Results Patients diagnosed in 2003–2004 had smaller tumours and a less advanced nodal stage than patients diagnosed in 1972–1986. In 1972–1979, 1980–1986 and 2003–2004, treatment included mastectomy in 94%, 72% and 47%; postmastectomy radiotherapy in 75%, 70% and 30%; chemotherapy in 9%, 14% and 37% and hormonal therapy in 3%, 3% and 42% of patients, respectively. Five-year risk of locoregional and distant recurrence decreased from 37% and 34% to 15%, respectively. The 5-year risk of second primary breast cancer did not differ and was 1%, 4% and 2%, respectively. The improved relapse-free survival in patients diagnosed in 2003–2004 as compared with 1972–1979 hardly changed after adjustment (HR = 0.38, 95% CI = 0.28–0.52). Conclusion Over the last decades, local breast cancer therapies have become less rigorous, whereas systemic therapy use has increased. Simultaneously, the risk of breast cancer relapse has tremendously decreased. Future novel therapies may lead to such small additional decreases in relapse rates, while the long-term side effects in breast cancer survivors will increas