garywelz/programming_framework

1<!DOCTYPE html>2<html lang="en">3<head>4    <meta charset="UTF-8">5    <meta name="viewport" content="width=device-width, initial-scale=1.0">6    <title>Partial Differential Equations - Mathematics Processes</title>7    <style>8        * { margin: 0; padding: 0; box-sizing: border-box; }9        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f5f5f5; padding: 20px; }10        .container { max-width: 800px; margin: 0 auto; background: white; border-radius: 15px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); padding: 30px; }11        h1 { color: #2980b9; margin-bottom: 15px; }12        .nav-links { margin-bottom: 25px; }13        .nav-links a { color: #2980b9; text-decoration: none; margin-right: 20px; font-weight: 500; }14        .nav-links a:hover { text-decoration: underline; }15        .chart-list { list-style: none; }16        .chart-list li { margin-bottom: 12px; }17        .chart-list a { display: block; padding: 15px 20px; background: #f8f9fa; border-radius: 8px; color: #2c3e50; text-decoration: none; border-left: 4px solid #2980b9; transition: all 0.2s; }18        .chart-list a:hover { background: #ecf0f1; }19    </style>20</head>21<body>22    <div class="container">23        <div class="nav-links">24            <a href="../../mathematics_index.html">← Back to Mathematics Index</a>25            <a href="https://arxiv.org/list/math.AP/recent" target="_blank">arXiv math.AP</a>26        </div>27        <h1>Partial Differential Equations</h1>28        <p style="color:#666;margin-bottom:25px;">Dependency graphs for PDE theory: classical equations, well-posedness, Sobolev spaces, and maximum principles.</p>29        <ul class="chart-list">30            <li><a href="partial_differential_equations-classical.html">Classical PDEs (Laplace, heat, wave)</a></li>31            <li><a href="partial_differential_equations-wellposed.html">Well-Posedness</a></li>32            <li><a href="partial_differential_equations-sobolev.html">Sobolev Spaces and Weak Solutions</a></li>33            <li><a href="partial_differential_equations-maximum.html">Maximum Principles</a></li>34        </ul>35    </div>36</body>37</html>38