Judul: Efek Asap Rokok pada Tikus (Rattus norvegicus) Bunting terhadap  Tampilan Fisiologis Induk dan Anaknya Setelah Dilahirkan.
Abstrak: Kebiasaan merokok di Indonesia dan beberapa negara berkembang lainnya terus meningkat. Perokok di Indonesia berjumlah 75% yang terdiri atas 60% berasal dari populasi pria dan 15% dari populasi wanita (WHO 2005). Sementara di negaranegara maju kebiasaan merokok justru semakin menurun, hal ini disebabkan karena mereka telah sadar akan bahaya rokok pada kesehatan. Hasil Survei Global Youth Tobacco memperlihatkan bahwa 88% perokok di Indonesia lebih menyukai rokok kretek dan 12% menyukai rokok putih. Kadar tar dan nikotin pada rokok kretek lebih tinggi, dibanding rokok putih. Rokok kretek berpotensi menghasilkan asap yang lebih banyak baik asap arus utama dan arus samping dibandingkan dengan rokok putih. Belakangan ini, bahaya asap rokok tidak hanya difokuskan pada perokok aktif tetapi juga pada perokok pasif. Perokok pasif mempunyai peluang yang sama bahkan lebih tinggi mendapatkan penyakit dibandingkan perokok aktif. Secara umum gangguan asap rokok terhadap kesehatan manusia dapat terjadi mulai pada fase janin, anak-anak sampai pada orang dewasa. Gangguan kesehatan itu antara lain gangguan pernafasan, fertilitas, impotensi, jantung dan kelainan pada janin. Wanita hamil yang sering terpapar asap rokok dapat menyebabkan gangguan kesehatan pada anaknya bahkan sebelum anak dilahirkan (fase janin). Beberapa kelainan atau gangguan asap rokok terhadap janin diantaranya adalah: a) terjadinya keguguran spontan, b) berat badan lahir rendah, c) komplikasi saat melahirkan, dan d) kelainan pada perkembangan saraf.
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Judul: Studi histopatologi pengaruh pajanan asap rokok kretek terhadap organ reproduksi betina tikus putih (Rattus rattus)
Abstrak: Penelitian ini dilakukan untuk mengetahui dampak pemberian pajanan asap rokok kretek terhadap organ reproduksi betina seperti ovari, oviduk dan uterus pada tikus putih (Rattus rattus). Sebanyak 10 ekor tikus dibagi menjadi dua kelompok yaitu: kelompok kontrol dan kelompok perlakuan. Kelompok perlakuan diberikan pajanan asap rokok sebanyak 8 batang rokok setiap hari, 5 hari tiap minggu selama 6 minggu. Setelah pajanan selesai dilakukan, tikus dinekropsi dan organ reproduksinya diproses untuk menjadi preparat histologi.
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Judul: The Construction of Greedy SVP LLL Algorithm
Abstrak: A lattice is a set of all integer linear combination of a set of linearly independent vectors in ℝ𝑛���. The independent vectors are called bases of lattice. Any lattice can be generated from many bases, and these bases have the same cardinality. In the lattice, the most fundamental and renowned problem is the Shortest Vector Problem (SVP). SVP is a tracking problem of the shortest nonzero vector in a lattice with equivalent bases. In two dimensions, SVP problem has resolved exactly by Gauss’ algorithm. When the lattice dimension is higher than two, A.K. Lenstra, H.W. Lenstra and L. Lovasz gave a LLL algorithm to compute approximation of nonzero shortest vector in the lattice. Reduced bases solution obtained from LLL algorithm still be an approximation and has polynomial running time of arbitrary dimension which large enough. In 1994, Schnoor and Euchner modified this LLL algorithm as a new variant which later was named deep insertion LLL algorithm. This algorithm is a modified version of the LLL algorithm to the terms of the exchange step to improve the accuracy of output of LLL reduced bases and applying it to the subset sum problem. The purpose of this research are: (1) Reconstruct the LLL algorithm and deep insertion LLL algorithm using a geometric approach. (2) Construct a greedy SVP LLL algorithm. (3) Implement the three algorithms in a symbolic programming language, and evaluate them experimentally. A bases ℬ=[𝐛���1,𝐛���2,…,𝐛���𝑛���] in ℝ𝑚��� is called reduced LLL with parameter 𝛿��� if satisfies: (a) |𝜇���𝑗���𝑖���|≤12, for every integer 𝑖���,𝑗��� with 1≤𝑖���<𝑗���<𝑛���. (b)𝛿���‖𝜋���𝑗���(𝐛���𝑗���)‖2≤‖𝜋���𝑗���(𝐛���𝑗���+1)‖2, for 𝑗���=1,2,…,𝑛���−1,where 𝛿��� is a reduced parameter of real numbers with 14<𝛿���<1. The first requirement is the reduced basis 𝛿��� must “nearly orthogonal” and in its computation case, this requirement can be reached out by using the Gram-Schmidt’s orthogonalization. While the second requirement is called exchange step, or used to called as Lovasz condition. By using both of these requirements, then they establish the LLL algorithm. Then, Schnoor and Euchner modify the LLL algorithm based on the requirements of the exchange step called the deep insertion LLL algorithm, where the exchange step is based on the comparison of the projected vector in orthogonal complement [𝐛���1,𝐛���2,…,𝐛���𝑘���−1]⊥ after j-th reduction. To construct greedy SVP LLL algorithm, the requirements of the exchange step is based on purely by comparing norm of lattice 𝐛���𝑗��� with norm lattice 𝐛���𝑖��� for 𝑖���=1,2,3…,𝑗���−1. The process of insertion reduced vector after the exchange step also has done greedily. Then, we calculate the number of arithmetic operation in greedy SVP LLL algorithm for further analysis. The result of our exprimentation for three algorithms on the certain matrix size shows that the running time of the three algorithms increases propotional to the size of the matrix. The result also shows that by using 𝛿���=34 for the LLL algorithm and the deep insertion LLL algorithm, and the greedy SVP LLL algorithm which is a new variant made by using no parameter of 𝛿���, outperform of the other of two previous algorithm in terms of speed with the same output.
Keyword: LLL algorithm, LLL deep insertion algorithm, greedy SVP LLL algorithm