<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Fri, 24 Apr 2026 13:18:18 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/groupoid/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Mathematics - Discrete Mathematics - Group-like Structures (part 2)]]></title><description><![CDATA[[Image 1] Introduction Hey it's a me again @drifter1! Today we continue with Mathematics, and more specifically the branch of "Discrete Mathematics", in order to get into Group-like Structures.]]></description><link>http://direct.ecency.com/hive-163521/@drifter1/mathematics-discrete-mathematics-group-like-structures-part-2</link><guid isPermaLink="true">http://direct.ecency.com/hive-163521/@drifter1/mathematics-discrete-mathematics-group-like-structures-part-2</guid><category><![CDATA[hive-163521]]></category><dc:creator><![CDATA[drifter1]]></dc:creator><pubDate>Tue, 03 May 2022 09:47:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/4HFqJv9qRjVfFwQkeHLJijdHHSAQxX7pxJKfN1M5HVz9GVF1Ea9Xj7oszED4oe6M3Bzgqz7B72Q2hhv1Mfb9oX6d1bFWq3LLkEPRqSfD34XYAdj2VCmaQjzhZYCudbBx6y9CE2RhnTRNTeJ5xoRXdQkxBVtguyLAHJv?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[[math] 준군, Groupoid]]></title><description><![CDATA[앞선 글에서 수학 이야기[MVT] 가 나온 김에, 좀 더 수학 이야기를 해보자. 이번 포스팅에는 groupoid [우리말로는 준군]에 대해 다루어 볼까 한다. [오랜만에 좀 전문적인 내용을 다루어 본다.] 일단 Groupoid 는 group 을 확장한 개념이다. group 만 해도 공부할 거리들이 넘쳐나고 Finite groups, Lie groups, .....]]></description><link>http://direct.ecency.com/dclick/@beoped/math-groupoid-1555342312970</link><guid isPermaLink="true">http://direct.ecency.com/dclick/@beoped/math-groupoid-1555342312970</guid><category><![CDATA[dclick]]></category><dc:creator><![CDATA[beoped]]></dc:creator><pubDate>Mon, 15 Apr 2019 15:32:09 GMT</pubDate><enclosure url="https://images.ecency.com/p/7ohP4GDMGPrUMp8dW6yuJTR9MKNu8P8DCXDU9qmmgztHR1mvT7NsDdcENTEW2AnYAtZVZsWsucjmgsQgeM7BtWQoHMNX6BgXE4ex?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>