<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dear Xiaoming, <div class=""><br class=""></div><div class="">happy new year as well! Though I can’t say anything definite, but having a quick glance </div><div class="">into Feliciano’s PRB paper I don’t see any apparent mistake. Regarding your convergence </div><div class="">issue (which shouldn’t be taken as a test to prove correctness or the opposite!) I want to </div><div class="">comment that the excessive usage of the OUTER_LOOP and hence too short inner loop </div><div class="">is not the smartest thing to do and may also lead to the behavior you observe. This is </div><div class="">particularly true when using the CG minimizer in which case you are only computing 10 </div><div class="">gradients before restarting the inner loop with the default STEPSIZE of 0.15, which in my </div><div class="">experience is basically always too large except for trivially cases such as water … </div><div class=""><br class=""></div><div class="">Cheers, </div><div class="">Thomas</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">Am 01.01.2020 um 06:02 schrieb Xiaoming Wang <<a href="mailto:wxia...@gmail.com" class="">wxia...@gmail.com</a>>:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Happy new year!<div class=""><br class=""></div><div class="">Really appreciate if anyone could confirm my derivation of the XC potential.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Xiaoming<br class=""><br class="">On Friday, December 27, 2019 at 11:50:58 AM UTC-5, Xiaoming Wang wrote:<blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div dir="ltr" class="">Hello all,<div class=""><br class=""></div><div class="">I'm trying to implement the SIC scheme proposed in PRB 99, 235139 (2019) by Giustino et al. </div><div class=""><br class=""></div><div class="">The new SIC scheme is a minor modification on the one proposed by Mauri [PRB 71, 205210 (2005)]. </div><div class=""><br class=""></div><div class="">Since the Mauri SIC is implemented in CP2K, incorporation of the Giustino scheme should not need </div><div class=""><br class=""></div><div class="">much coding work. The Hartree self-interaction part is similar for all the schemes, so I'm only interested</div><div class=""><br class=""></div><div class="">in the XC part. The implementation of the XC part of the Mauri scheme is coded in qs_vxc.F. </div><div class=""><br class=""></div><div class="">There are two types of SIC functionals for the Mauri scheme: Mauri_SPZ and Mauri_US. </div><div class=""><br class=""></div><div class="">The corresponding SIC corrrected XC functionals are:</div><div class=""><br class=""></div><div class=""> Mauri_SPZ: Exc = Exc [ alpha, beta ] - Exc [ alpha - beta, 0 ]</div><div class=""><br class=""></div><div class=""> Mauri_US: Exc = Exc [ alpha, beta ] - Exc [ alpha, beta ] + Exc [ beta, beta ]</div><div class=""><br class=""></div><div class="">And the XC potentials are:</div><div class=""><br class=""></div><div class=""> Mauri_SPZ: Vxc_up = Vxc_up [ alpha, beta ] - Vxc_up [ alpha - beta, 0 ]</div><div class=""> Vxc_dn = Vxc_dn [ alpha, beta ] + Vxc_up [ alpha - beta, 0 ]</div><div class=""><br class=""></div><div class=""> Mauri_US: Vxc_up = 0</div><div class=""> <span class="Apple-converted-space"> </span>Vxc_dn = Vxc_up [ beta, beta ] + Vxc_dn [ beta, beta ]</div><div class=""><br class=""></div><div class="">For the Giustino scheme, the XC functional is:</div><div class=""><br class=""></div><div class=""> <span class="Apple-converted-space"> </span>Exc = 0.5*Exc [ alpha, beta ] + Exc [ beta, beta ] - 0.5* Exc [ beta - m, beta ]</div><div class=""><br class=""></div><div class="">where m = alpha - beta. Based on my understanding, the XC potentials are:</div><div class=""><br class=""></div><div class=""> Vxc_up = 0.5*Vxc_up [ alpha, beta ] + 0.5*Vxc_up [ beta - m, beta ]</div><div class=""><br class=""></div><div class=""> Vxc_dn = 0.5*Vxc_dn [ alpha, beta ] + Vxc_up [ beta, beta ] + Vxc_dn [ beta, beta ]</div><div class=""> </div><div class=""> <span class="Apple-converted-space"> </span>-0.5*Vxc_dn [ beta - m, beta ] - Vxc_up [ beta - m, beta ]</div><div class=""><br class=""></div><div class="">Please can anyone correct me if my understanding above is wrong. </div><div class=""><br class=""></div><div class="">I implemented the Giustino SIC based on the above equations by slightly modifying the US scheme </div><div class=""><br class=""></div><div class="">as already in CP2K. However, I never get convergence for the SCF calculations (see part of the log</div><div class=""><br class=""></div><div class="">file below). For the same system, the SPZ and US schemes both can easily get convergence.</div><div class=""><br class=""></div><div class="">So I'm wondering if anyone could give me any comments on this?</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Best,</div><div class=""><br class=""></div><div class="">Xiaoming</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">--</div><div class=""><div class=""> 1 OT CG 0.15E+00 14.2 0.00014039 -8153.9988425820 -8.15E+03</div><div class=""> 2 OT LS 0.10E+00 5.2 -8154.0035499679</div><div class=""> 3 OT CG 0.10E+00 10.6 0.00020232 -8154.0032891957 -4.45E-03</div><div class=""> 4 OT LS 0.46E-01 6.0 -8154.0015689085</div><div class=""> 5 OT CG 0.46E-01 10.8 0.00009816 -8154.0041296811 -8.40E-04</div><div class=""> 6 OT LS 0.31E-01 5.1 -8154.0048751897</div><div class=""> 7 OT CG 0.31E-01 13.1 0.00007670 -8154.0046628243 -5.33E-04</div><div class=""> 8 OT LS 0.26E-01 5.2 -8154.0051281540</div><div class=""> 9 OT CG 0.26E-01 12.0 0.00007395 -8154.0050568034 -3.94E-04</div><div class=""> <span class="Apple-converted-space"> </span>10 OT LS 0.21E-01 6.2 -8154.0053917653</div><div class=""> <span class="Apple-converted-space"> </span>11 OT CG 0.21E-01 11.2 0.00007210 -8154.0053264707 -2.70E-04</div><div class=""> <span class="Apple-converted-space"> </span>12 OT LS 0.16E-01 5.3 -8154.0055646935</div><div class=""> <span class="Apple-converted-space"> </span>13 OT CG 0.16E-01 10.4 0.00005042 -8154.0055112362 -1.85E-04</div><div class=""> <span class="Apple-converted-space"> </span>14 OT LS 0.15E-01 5.3 -8154.0056327656</div><div class=""> <span class="Apple-converted-space"> </span>15 OT CG 0.15E-01 11.4 0.00004942 -8154.0056270301 -1.16E-04</div><div class=""> <span class="Apple-converted-space"> </span>16 OT LS 0.14E-01 5.3 -8154.0057343493</div><div class=""> <span class="Apple-converted-space"> </span>17 OT CG 0.14E-01 11.5 0.00004857 -8154.0057262676 -9.92E-05</div><div class=""> <span class="Apple-converted-space"> </span>18 OT LS 0.13E-01 5.4 -8154.0058189369</div><div class=""> <span class="Apple-converted-space"> </span>19 OT CG 0.13E-01 10.7 0.00004785 -8154.0058097707 -8.35E-05</div><div class=""> <span class="Apple-converted-space"> </span>20 OT LS 0.11E-01 5.0 -8154.0058883901</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> 1 OT CG 0.15E+00 21.8 0.00004727 -8154.0058790748 -6.93E-05</div><div class=""> 2 OT LS 0.11E+00 4.7 -8154.0065750586</div><div class=""> 3 OT CG 0.11E+00 10.9 0.00004074 -8154.0064374937 -5.58E-04</div><div class=""> 4 OT LS 0.13E+00 5.4 -8154.0072008089</div><div class=""> 5 OT CG 0.13E+00 11.3 0.00002783 -8154.0072885701 -8.51E-04</div><div class=""> 6 OT LS 0.51E+00 5.5 -8154.0078327851</div><div class=""> 7 OT CG 0.51E+00 11.1 0.00007874 -8154.0089341020 -1.65E-03</div><div class=""> 8 OT LS 0.21E+00 5.2 -8154.0051598661</div><div class=""> 9 OT CG 0.21E+00 11.3 0.00017344 -8154.0086760074 2.58E-04</div><div class=""> <span class="Apple-converted-space"> </span>10 OT LS 0.98E-01 5.3 -8154.0049564999</div><div class=""> <span class="Apple-converted-space"> </span>11 OT CG 0.98E-01 11.2 0.00006510 -8154.0082092588 4.67E-04</div><div class=""> <span class="Apple-converted-space"> </span>12 OT LS 0.58E-01 5.7 -8154.0086320114</div><div class=""> <span class="Apple-converted-space"> </span>13 OT CG 0.58E-01 10.8 0.00003585 -8154.0085028738 -2.94E-04</div><div class=""> <span class="Apple-converted-space"> </span>14 OT LS 0.10E+00 5.3 -8154.0088394530</div><div class=""> <span class="Apple-converted-space"> </span>15 OT CG 0.10E+00 12.0 0.00007085 -8154.0090772735 -5.74E-04</div><div class=""> <span class="Apple-converted-space"> </span>16 OT LS 0.44E-01 5.4 -8154.0084763907</div><div class=""> <span class="Apple-converted-space"> </span>17 OT CG 0.44E-01 11.1 0.00003408 -8154.0088708613 2.06E-04</div><div class=""> <span class="Apple-converted-space"> </span>18 OT LS 0.72E-01 5.3 -8154.0090917387</div><div class=""> <span class="Apple-converted-space"> </span>19 OT CG 0.72E-01 11.4 0.00005874 -8154.0092230991 -3.52E-04</div><div class=""> <span class="Apple-converted-space"> </span>20 OT LS 0.30E-01 5.5 -8154.0089057509</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> 1 OT CG 0.15E+00 22.0 0.00001421 -8154.0091066057 1.16E-04</div><div class=""> 2 OT LS 0.18E+00 5.9 -8154.0092180076</div><div class=""> 3 OT CG 0.18E+00 10.7 0.00005904 -8154.0092398262 -1.33E-04</div><div class=""> 4 OT LS 0.96E-01 5.5 -8154.0094065127</div><div class=""> 5 OT CG 0.96E-01 11.2 0.00007661 -8154.0094075743 -1.68E-04</div><div class=""> 6 OT LS 0.42E-01 5.6 -8154.0088928557</div><div class=""> 7 OT CG 0.42E-01 10.9 0.00001444 -8154.0092323658 1.75E-04</div><div class=""> 8 OT LS 0.57E-01 5.1 -8154.0092666992</div><div class=""> 9 OT CG 0.57E-01 11.2 0.00001390 -8154.0092787816 -4.64E-05</div><div class=""> <span class="Apple-converted-space"> </span>10 OT LS 0.68E-01 5.2 -8154.0093186446</div><div class=""> <span class="Apple-converted-space"> </span>11 OT CG 0.68E-01 10.5 0.00002940 -8154.0093259578 -4.72E-05</div><div class=""> <span class="Apple-converted-space"> </span>12 OT LS 0.26E-01 5.0 -8154.0092084126</div><div class=""> <span class="Apple-converted-space"> </span>13 OT CG 0.26E-01 11.0 0.00001386 -8154.0092843540 4.16E-05</div><div class=""> <span class="Apple-converted-space"> </span>14 OT LS 0.13E-01 5.4 -8154.0092839420</div><div class=""> <span class="Apple-converted-space"> </span>15 OT CG 0.13E-01 11.0 0.00001387 -8154.0092841905 1.64E-07</div><div class=""> <span class="Apple-converted-space"> </span>16 OT LS 0.16E-01 5.4 -8154.0092934733</div><div class=""> <span class="Apple-converted-space"> </span>17 OT CG 0.16E-01 11.0 0.00001375 -8154.0092962332 -1.20E-05</div><div class=""> <span class="Apple-converted-space"> </span>18 OT LS 0.20E-01 5.4 -8154.0093077912</div><div class=""> <span class="Apple-converted-space"> </span>19 OT CG 0.20E-01 10.4 0.00001362 -8154.0093106170 -1.44E-05</div><div class=""> <span class="Apple-converted-space"> </span>20 OT LS 0.24E-01 5.3 -8154.0093242773</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> <span class="Apple-converted-space"> </span>------------------------------<wbr class="">----- OT ------------------------------<wbr class="">---------</div><div class=""> 1 OT CG 0.15E+00 22.4 0.00001343 -8154.0093267803 -1.62E-05</div><div class=""> 2 OT LS 0.15E+00 5.4 -8154.0094121812</div><div class=""> 3 OT CG 0.15E+00 11.6 0.00007460 -8154.0094132278 -8.64E-05</div><div class=""> 4 OT LS 0.74E-01 5.3 -8154.0093027278</div><div class=""> 5 OT CG 0.74E-01 10.9 0.00007707 -8154.0094484130 -3.52E-05</div><div class=""> 6 OT LS 0.33E-01 5.6 -8154.0090697156</div><div class=""> 7 OT CG 0.33E-01 14.3 0.00001494 -8154.0093119312 1.36E-04</div><div class=""> 8 OT LS 0.46E-01 6.5 -8154.0093411677</div></div><div class=""><br class=""></div><div class="">--</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div></div></blockquote></div></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class="webkit-block-placeholder"></div><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">--<span class="Apple-converted-space"> </span></span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">You received this message because you are subscribed to the Google Groups "cp2k" group.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">To unsubscribe from this group and stop receiving emails from it, send an email to<span class="Apple-converted-space"> </span></span><a href="mailto:cp...@googlegroups.com" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">cp...@googlegroups.com</a><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">To view this discussion on the web visit<span class="Apple-converted-space"> </span></span><a href="https://groups.google.com/d/msgid/cp2k/a2bed8c8-339a-493f-8c48-27809a74d1a6%40googlegroups.com?utm_medium=email&utm_source=footer" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://groups.google.com/d/msgid/cp2k/a2bed8c8-339a-493f-8c48-27809a74d1a6%40googlegroups.com</a><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">.</span></div></blockquote></div><br class=""></div><br class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">==============================</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Thomas D. Kühne</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Dynamics of Condensed Matter</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Chair of Theoretical Chemistry</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">University of Paderborn</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Warburger Str. 100</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">D-33098 Paderborn</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">Germany</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class=""><a href="mailto:tdku...@mail.upb.de" class="">tdku...@mail.upb.de</a></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2;" class="">+49/(0)5251/60-5726</div></div></div></div>
</div>
<br class=""></body></html>