"\uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131(Poincar\u00E9 symmetry) \uB610\uB294 \uB85C\uB80C\uCE20 \uB300\uCE6D\uC131, \uD3EC\uC559\uCE74\uB808 \uB300\uCE6D\uC131\uC740 \uC2DC\uACF5\uAC04\uC758 \uC88C\uD45C\uAC00 x\u03BC = (ct,x,y,z)\uB77C \uD560 \uB54C \uB2E4\uC74C\uACFC \uAC19\uC740 \uB300\uCE6D\uC131\uC774 \uC788\uC73C\uBA74 \uD478\uC575\uCE74\uB808(Poincare) \uB300\uCE6D\uC131\uC774 \uC788\uB2E4\uACE0 \uD55C\uB2E4. \uC9C0\uAE08\uAE4C\uC9C0 \uC54C\uB824\uC9C4 \uBC14\uC5D0 \uC758\uD558\uBA74 \uC6B0\uC120 \uD478\uC559\uCE74\uB808 \uB300\uCE6D\uC131\uC774 \uAC00\uC7A5 \uBBFF\uC744\uB9CC \uD55C \uAC83 \uAC19\uB2E4. \uCF5C\uB9CC-\uB9CC\uB458\uB77C \uC815\uB9AC\uC640 \uD559-\uB85C\uD478\uC2A4\uC794\uC2A4\uD0A4-\uC18C\uB2C8\uC6B0\uC2A4 \uC815\uB9AC\uC5D0 \uC758\uD558\uBA74 \uCD08\uB300\uCE6D\uC740 \uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131\uC758 \uAC70\uC758 \uC720\uC77C\uD55C \uD655\uC7A5\uC774\uB2E4. \uC758 \uD655\uC7A5\uC740 \uB2E4\uC74C\uACFC \uAC19\uC740 \uD398\uB974\uBBF8\uC628 \uC0DD\uC131\uC790 Q\uB97C \uD1B5\uD574 \uC774\uB8E8\uC5B4\uC9C4\uB2E4. \uB048\uC744 \uC591\uC790\uD654\uD560 \uB54C \uC591\uC790 \uD6A8\uACFC\uC5D0 \uC758\uD574 \uACE0\uC804\uC801\uC778 \uB048\uC774 \uAC00\uC9C0\uACE0 \uC788\uB294 \uB300\uCE6D\uC131(\uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131)\uC774 \uC77C\uBC18\uC801\uC73C\uB85C \uD30C\uAD34\uB418\uB294\uB370, \uC774 \uB300\uCE6D\uC131\uC740 \uD2B9\uC815\uD55C \uACF5\uAC04 \uC548\uC5D0\uC11C\uB9CC \uAE68\uC9C0\uC9C0 \uC54A\uB294\uB2E4."@ko . . . "\uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131"@ko . "\uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131(Poincar\u00E9 symmetry) \uB610\uB294 \uB85C\uB80C\uCE20 \uB300\uCE6D\uC131, \uD3EC\uC559\uCE74\uB808 \uB300\uCE6D\uC131\uC740 \uC2DC\uACF5\uAC04\uC758 \uC88C\uD45C\uAC00 x\u03BC = (ct,x,y,z)\uB77C \uD560 \uB54C \uB2E4\uC74C\uACFC \uAC19\uC740 \uB300\uCE6D\uC131\uC774 \uC788\uC73C\uBA74 \uD478\uC575\uCE74\uB808(Poincare) \uB300\uCE6D\uC131\uC774 \uC788\uB2E4\uACE0 \uD55C\uB2E4. \uC9C0\uAE08\uAE4C\uC9C0 \uC54C\uB824\uC9C4 \uBC14\uC5D0 \uC758\uD558\uBA74 \uC6B0\uC120 \uD478\uC559\uCE74\uB808 \uB300\uCE6D\uC131\uC774 \uAC00\uC7A5 \uBBFF\uC744\uB9CC \uD55C \uAC83 \uAC19\uB2E4. \uCF5C\uB9CC-\uB9CC\uB458\uB77C \uC815\uB9AC\uC640 \uD559-\uB85C\uD478\uC2A4\uC794\uC2A4\uD0A4-\uC18C\uB2C8\uC6B0\uC2A4 \uC815\uB9AC\uC5D0 \uC758\uD558\uBA74 \uCD08\uB300\uCE6D\uC740 \uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131\uC758 \uAC70\uC758 \uC720\uC77C\uD55C \uD655\uC7A5\uC774\uB2E4. \uC758 \uD655\uC7A5\uC740 \uB2E4\uC74C\uACFC \uAC19\uC740 \uD398\uB974\uBBF8\uC628 \uC0DD\uC131\uC790 Q\uB97C \uD1B5\uD574 \uC774\uB8E8\uC5B4\uC9C4\uB2E4. \uB048\uC744 \uC591\uC790\uD654\uD560 \uB54C \uC591\uC790 \uD6A8\uACFC\uC5D0 \uC758\uD574 \uACE0\uC804\uC801\uC778 \uB048\uC774 \uAC00\uC9C0\uACE0 \uC788\uB294 \uB300\uCE6D\uC131(\uD478\uC575\uCE74\uB808 \uB300\uCE6D\uC131)\uC774 \uC77C\uBC18\uC801\uC73C\uB85C \uD30C\uAD34\uB418\uB294\uB370, \uC774 \uB300\uCE6D\uC131\uC740 \uD2B9\uC815\uD55C \uACF5\uAC04 \uC548\uC5D0\uC11C\uB9CC \uAE68\uC9C0\uC9C0 \uC54A\uB294\uB2E4."@ko .