<?xml version="1.0" encoding="UTF-8"?>
<!-- generator="FeedCreator 1.8" -->
<?xml-stylesheet href="https://beta.mathcity.org/lib/exe/css.php?s=feed" type="text/css"?>
<rdf:RDF
    xmlns="http://purl.org/rss/1.0/"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
    xmlns:dc="http://purl.org/dc/elements/1.1/">
    <channel rdf:about="https://beta.mathcity.org/feed.php">
        <title>MathCity.org Beta</title>
        <description>This is beta site.</description>
        <link>https://beta.mathcity.org/</link>
        <image rdf:resource="https://beta.mathcity.org/_media/logo.png" />
       <dc:date>2026-06-07T16:33:00+00:00</dc:date>
        <items>
            <rdf:Seq>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa21-mth322?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/math-510?rev=1737476034&amp;do=diff"/>
                <rdf:li rdf:resource="https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff"/>
            </rdf:Seq>
        </items>
    </channel>
    <image rdf:about="https://beta.mathcity.org/_media/logo.png">
        <title>MathCity.org Beta</title>
        <link>https://beta.mathcity.org/</link>
        <url>https://beta.mathcity.org/_media/logo.png</url>
    </image>
    <item rdf:about="https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Spring 2020)</title>
        <link>https://beta.mathcity.org/atiq/sp20-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Spring 2020)

&lt;callout type=“info” icon=“true”&gt;
Discussion is available at the end of this page. One is free to ask any question or comment.
&lt;/callout&gt;

~~DISCUSSION~~
[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove vario…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa21-mth322?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH322: Real Analysis II (Fall 2021)</title>
        <link>https://beta.mathcity.org/atiq/fa21-mth322?rev=1737476034&amp;do=diff</link>
        <description>MTH322: Real Analysis II (Fall 2021)

This course is offered to MSc, Semester II at Department of Mathematics, COMSATS University Islamabad, Attock campus. This course need rigorous knowledge of continuity, differentiation, integration, sequences and series of numbers, that is many notion included in $\int_{1}^{\infty }{{{x}^{-p}} dx}$$p$$f\in \mathcal{R}[a,b]$$b\ge a$$f(x)\ge 0$$x\ge a$$\int_{a}^{\infty }{f(x) dx}$$M&gt;0$$\int\limits_{a}^{b}{f(x)\,dx} \le M$$b\ge a$$f\in \mathcal{R}[a,b]$$b\ge a$…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Fall 2021)</title>
        <link>https://beta.mathcity.org/atiq/fa21-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Fall 2021)

&lt;callout type=“info” icon=“true”&gt;
Discussion is available at the end of this page. One is free to ask any question or comment.
&lt;/callout&gt;

[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications (Spring 2020)</title>
        <link>https://beta.mathcity.org/atiq/sp20-mth604?rev=1737476034&amp;do=diff</link>
        <description>~~DISCUSSION~~

MTH604: Fixed Point Theory and Applications (Spring 2020)

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem for mul…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH322: Real Analysis II (Spring 2023)</title>
        <link>https://beta.mathcity.org/atiq/sp23-mth322?rev=1737476034&amp;do=diff</link>
        <description>MTH322: Real Analysis II (Spring 2023)

[MTH322: Real Analysis II (Spring 2023)]
This course is offered to BS, Semester VI at Department of Mathematics, COMSATS University Islamabad, Attock campus. This course need rigorous knowledge of continuity, differentiation, integration, sequences and series of numbers, that is many notions included in $f\in \mathcal{R}[a,b]$$b\ge a$$f(x)\ge 0$$x\ge a$$\int_{\,a}^{\,\infty }{f(x)\,dx}$$M&gt;0$$\int\limits_{a}^{b}{f(x)\,dx}\leq M$$b\ge a$$f(x)$$g(x)$$x&gt;a$$\li…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications (Fall 2022)</title>
        <link>https://beta.mathcity.org/atiq/fa22-mth604?rev=1737476034&amp;do=diff</link>
        <description>~~DISCUSSION~~

MTH604: Fixed Point Theory and Applications (Fall 2022)

[FPTA]

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem f…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH251: Set Topology</title>
        <link>https://beta.mathcity.org/atiq/sp18-mth251?rev=1737476034&amp;do=diff</link>
        <description>MTH251: Set Topology

[Set Topology]
Topology is an important branch of mathematics that studies all the “qualitative” or “discrete” properties of continuous objects such as manifolds, i.e. all the properties that aren&#039;t changed by any continuous transformations except for the singular (infinitely extreme) ones.$\mathbb{R}$$T_1$$\mathbb{Z}$$A=\{1,2,3,...,20\}$$\mathbb{R}$$\mathbb{Q}$$\mathbb{R}$$A=\left\{1,\frac{1}{2},\frac{1}{3},... \right\}$$A$$\mathbb{R}$$A=\mathbb{N}$$B=\{1,2,3,...,100\}$$C=…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH604: Fixed Point Theory and Applications</title>
        <link>https://beta.mathcity.org/atiq/sp18-mth604?rev=1737476034&amp;do=diff</link>
        <description>MTH604: Fixed Point Theory and Applications

Course Objectives:

This course is intended as a brief introduction to the subject with a focus on Banach Fixed Point theorems fixed point theorem and its application to nonlinear differential equations, nonlinear integral equations, real and complex implicit functions theorems and system of nonlinear equations. Some generalizations and similar results e. g.  Kannan Fixed Point theorems, Banach Fixed Point theorem for multi-valued mappings are also ed…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MTH321: Real Analysis I (Spring 2023)</title>
        <link>https://beta.mathcity.org/atiq/sp23-mth321?rev=1737476034&amp;do=diff</link>
        <description>MTH321: Real Analysis I (Spring 2023)


~~DISCUSSION~~
[Photo-illustration of Zeno&#039;s Paradox]

At the end of this course the students will be able to understand the basic set theoretic statements and emphasize the proofs’ development of various statements by induction. Define the limit of, a function at a value, a sequence and the Cauchy criterion. Prove various theorems about limits of sequences and functions and emphasize the proofs’ development. Define continuity of a function and uniform con…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/math-510?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MATH-510: Topology</title>
        <link>https://beta.mathcity.org/atiq/math-510?rev=1737476034&amp;do=diff</link>
        <description>MATH-510: Topology

&lt;div&gt;
&lt;img src=&quot;../images/Mug_and_Torus_morph.gif&quot; alt=&quot;A continuous deformation (a type of homeomorphism) of a mug into a doughnut (torus) and back.&quot; title=&quot;Topologically equivalence figures&quot; class=&quot;mediaright&quot; /&gt;&lt;br&gt;
&lt;/div&gt;

Topology is an important branch of mathematics that studies all the “qualitative” or “discrete” properties of continuous objects such as manifolds, i.e. all the properties that aren&#039;t changed by any continuous transformations except for the singular (in…</description>
    </item>
    <item rdf:about="https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2025-01-21T16:13:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>MCQs or Short Questions</title>
        <link>https://beta.mathcity.org/atiq/sp15-mth321/mcqs?rev=1737476034&amp;do=diff</link>
        <description>MCQs or Short Questions

On this page, MCQs or short questions with out answers are given. Students need to find the answer them self. This page will be updated occasionally and new MCQs or short question will be posted here.

	*  A number which is neither even nor odd is$2n$$n \in \mathbb{Z}$$2\pi$$\pi$$\pi$$\sqrt{2}$$\sqrt{3}$$A$$f:A\to \mathbb{N}$$f$$f$$f$$A=\{x| x\in \mathbb{N} \wedge x^2 \leq 7 \}$$A$$\{s_n\}$$\lambda$$|s_n|&lt;\lambda$$n\in\mathbb{Z}$$p$$|s_n|&lt;p$$n\in\mathbb{Z}$$s$$|s_n|&lt;s$$n…</description>
    </item>
</rdf:RDF>
